Saint Lucia Meteorological Services

6:00 pm Weather Report

Date: 17^th September, 2025

Forecaster: Vigil Saltibus

Present weather at Hewanorra Airport is fair.

Present weather at GFL Charles Airport is fair.

Present temperature at Hewanorra Airport is 30°C or 86°F.

Today’s maximum temperature at Hewanorra Airport was 32°C or 90°F.
Relative humidity at Hewanorra Airport is 75%.

Wind at Hewanorra Airport is blowing from the east northeast at 13 mph or 20 km/h.

Rainfall in the 24-hour period that ended at 2:00 pm today:
At Hewanorra Airport: 0.8 mm     At GFL Charles Airport: 1.1 mm

Total rainfall for the month of September so far:
At Hewanorra Airport: 25.1 mm    At GFL Charles Airport: 27.4 mm

Sunrise tomorrow: 5:52 am        Sunset tomorrow: 6:02 pm        

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and east-southeast near 15 mph or 24 km/h, becoming lighter at times.

Weather: Mainly fair skies occasionally becoming cloudy with a few scattered showers. A chance of isolated thunderstorms tomorrow afternoon.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 5:57 pm…High at 12:59 am…Low at 7:42 am

Tides for Vieux Fort Bay:   Low at 7:24 pm…High at 02:06 am…Low at 9:09 am

Seas: Slight to moderate with waves 2 to 5 feet or 0.6 to 1.5 metres.

FORECAST FOR THE LESSER ANTILLES
Generally cloudy with scattered light to moderate showers and isolated thunderstorms over the Leeward and northern Windward Islands. Elsewhere, fair to occasionally cloudy, with a few showers.

TROPICAL WEATHER OUTLOOK

Moist and unstable conditions trailing a tropical wave, will cause some showers and thunderstorms mainly over the northern portion of the Lesser Antilles, during the forecast period.

…Gabriel forms over the central tropical Atlantic…

At 5:00 pm today, the center Tropical storm Gabrielle was located near latitude 19.4°north, 48.0°west or about 990 miles or 1595 kilometers east of the Northern Leeward Islands and 937 miles or 1507 kilometers northeast away from Saint Lucia. Gabrielle is moving toward the northwest near 14 mph or 22 km/h. A northwest to west-northwestward motion is expected to continue over the next few days.

Maximum sustained winds have increased to near 50 mph or 85 km/h, with higher gusts. Little change in strength is forecast during the next 48 hours.

A tropical wave located over the far eastern Tropical Atlantic, is moving westward near 17 mph or 28 km/h. Some slow development of this system is possible over the next few days.

12:00 noon Weather Report

Date: 17^th September, 2025

Forecaster: Emmanuel Descartes

Present weather at Hewanorra Airport is partly cloudy.

Present weather at GFL Charles Airport is partly cloudy.

Present temperature at Hewanorra Airport is 32°C or 90°F.

Last night’s minimum temperature at Hewanorra Airport was 26°C or 79°F.
Relative humidity at Hewanorra Airport is 66%.

Wind at Hewanorra Airport is blowing from the east southeast at 12 mph or 19 km/h.

Rainfall in the 24-hour period that ended at 8:00 am today:
At Hewanorra Airport: Trace     At GFL Charles Airport: 1.1 mm

Total rainfall for the month of September so far:
At Hewanorra Airport: 24.3 mm.  At GFL Charles Airport: 27.4 mm

Sunset today: 6:03 pm                  Sunrise tomorrow: 5:52 am         

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and east-southeast near 15 mph or 24 km/h, becoming lighter at times.

Weather: Fair to occasionally cloudy, with a few scattered showers and a

         chance of isolated thunderstorms.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: High at 1:38 pm…Low at 5:57 pm.

Tides for Vieux Fort Bay:   High at 2:45 pm…Low at 7:24 pm.

Seas: Slight with waves 2 to 4 feet or 0.6 to 1.2 metres.

FORECAST FOR THE LESSER ANTILLES
Generally cloudy with scattered light to moderate showers and isolated thunderstorms over the Leeward and northern Windward Islands. Elsewhere, fair to occasionally cloudy, with a few showers.

TROPICAL WEATHER OUTLOOK

Moist and unstable conditions trailing a tropical wave, will cause some showers and thunderstorms mainly over the northern portion of the Lesser Antilles, during the forecast period.

…Gabriel forms over the central tropical Atlantic…

….Forecast to remain over open waters for several days…

At 11:00 am today, the center of poorly defined Tropical storm Gabrielle was located near latitude 17.5°north, 46.6°west or about 987 miles or 1588 kilometers east northeast of Saint Lucia. Gabrielle is moving toward the north northwest near 22 mph or 35 km/h. A northwest to west-northwestward motion at a reduced foreword speed is expected across the Tropical and subtropical central Atlantic during the next few days. Maximum sustained winds are near 45 mph or 75 km/h, with higher gusts. Little change in strength is forecast during the next 48 hours. Gabrielle is forecast to remain over open waters for several days..

A tropical wave located over the far eastern Tropical Atlantic, is moving westward near 17 mph or 28 km/h. Some slow development of this system is possible over the next few days.

Date: 17th September, 2025
Forecaster: Maclean Jn Baptiste

Present weather at Hewanorra Airport is partly cloudy.
Present temperature at Hewanorra Airport is 27°C or 81°F.
Last night’s minimum temperature at Hewanorra Airport was 26°C or 79°F.
Relative humidity at Hewanorra Airport is 81%.
Wind at Hewanorra Airport is blowing from the northeast at 7 mph or 11 km/h.
Rainfall in the 24-hour period that ended at 2:00 am today:
At Hewanorra Airport: nil.
Total rainfall for the month of September so far:
At Hewanorra Airport: 24.3 mm.

Sunset today: 6:03 pm Sunrise tomorrow: 5:52 am

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and east-southeast near 14 mph or 22 km/h, becoming lighter at times.
Weather: Fair to occasionally cloudy, with a few scattered showers and a chance of isolated thunderstorms.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 7:00 am…High at 1:38 pm.
Tides for Vieux Fort Bay: Low at 8:27 am…High at 2:45 pm.
Seas: Slight with waves 2 to 4 feet or 0.6 to 1.2 metres.

FORECAST FOR THE LESSER ANTILLES
Mostly cloudy with scattered light to moderate showers and isolated thunderstorms over the Leeward and northern Windward Islands. Elsewhere, fair to occasionally cloudy, with a few showers.

TROPICAL WEATHER OUTLOOK
Moist and unstable conditions associated with a tropical wave, will continue to cause showers and thunderstorms mainly over the northern portion of the Lesser Antilles, during the forecast period.

…Tropical Depression forms over the central Tropical Atlantic…
At 5:00 am today, the center of Tropical Depression Seven was located near latitude 13.7°north, 45.9°west or about 1012 miles or 1629 kilometers east of Saint Lucia. The depression is moving toward the west near 13 mph or 20 km/h. A west-northwestward to northwestward motion is expected across the Tropical Atlantic during the next few days. Maximum sustained winds are near 35 mph or 55 km/h, with higher gusts. Slow strengthening is forecast and the system could become a tropical storm later today or tonight. Residents of the Leeward Islands should continue to monitor the progress of the depression.

A tropical wave located over the far eastern Tropical Atlantic, is moving westward near 17 mph or 28 km/h. Some slow development of this system is possible over the next few days.

Date: 16th September, 2025
Forecaster: Maclean Jn Baptiste

Present weather at Hewanorra Airport is fair.
Present weather at GFL Charles Airport is cloudy.
Present temperature at Hewanorra Airport is 30°C or 86°F.
Today’s maximum temperature at Hewanorra Airport was 33°C or 91°F.
Relative humidity at Hewanorra Airport is 70%.
Wind at Hewanorra Airport is blowing from the east-southeast at 9 mph or 13 km/h.
Rainfall in the 24-hour period that ended at 2:00 pm today:
At Hewanorra Airport: nil. At GFL Charles Airport: nil.
Total rainfall for the month of September so far:
At Hewanorra Airport: 24.3 mm. At GFL Charles Airport: 26.3 mm.

Sunrise tomorrow: 5:52 am Sunset tomorrow: 6:03 pm

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and east-southeast near 15 mph or 24 km/h.
Weather: Fair to occasionally cloudy, with a few scattered showers and a chance of isolated thunderstorms.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: High at 11:51 pm…Low at 7:00 am.
Tides for Vieux Fort Bay: Low at 6:05 pm…High at 12:58 am.
Seas: Slight to moderate with waves 2 to 5 feet or 0.6 to 1.5 metres.

FORECAST FOR THE LESSER ANTILLES
Mostly cloudy with scattered light to moderate showers and isolated thunderstorms over the Leeward and northern Windward Islands. Elsewhere, fair to occasionally cloudy, with a few showers.

TROPICAL WEATHER OUTLOOK
Moist and unstable conditions associated with a tropical wave will cause cloudiness, showers and thunderstorms over the Lesser Antilles, during the next 24 hours. This wave is moving westward near 15 mph or 24 km/h.

Showers and thunderstorms associated with a broad area of low-pressure and a tropical wave, located midway between the Windward Islands and the coast of west Africa, have become better organized and a tropical depression or storm is likely to form in the next day or two. This system is moving toward the west-northwest near 13 mph or 20 km/h, over the central Tropical Atlantic.

Another tropical wave located over the far eastern Tropical Atlantic, is moving westward near 15 mph or 24 km/h. Some slow development of this system is possible over the next few days.

12:00 Noon Weather Report

Date: 16^th September, 2025

Forecaster: Venantius Descartes

Present weather at Hewanorra Airport is cloudy.

Present weather at GFL Charles Airport is fair.

Present temperature at Hewanorra Airport is 32°C or 90°F.

Last night’s minimum temperature at Hewanorra Airport was 27°C or 81°F.
Relative humidity at Hewanorra Airport is 68%.

Wind at Hewanorra Airport is blowing from the east-southeast at 15 mph or 24 km/h.

Rainfall in the 24-hour period that ended at 8:00 am today:
At Hewanorra Airport: nil.    At GFL Charles Airport: nil.

Total rainfall for the month of September so far:
At Hewanorra Airport: 24.3 mm.   At GFL Charles Airport: 26.3 mm.

Sunset today: 6:04 pm                  Sunrise tomorrow: 5:52 am

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east 15 mph or 24 km/h.

Weather: Fair to partly cloudy with a few brief showers.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: High at 12:57 pm… Low at 4:38 pm.

Tides for Vieux Fort Bay:   High at 2:04 pm… Low at 5:58 pm.

Seas: Slight to moderate with waves 3 to 5 feet or 0.9 to 1.5 metres.

FORECAST FOR THE LESSER ANTILLES
Partly cloudy to cloudy with scattered showers and isolated thunderstorms over the Leeward and northern Windward Islands. Elsewhere, fair to partly cloudy, with a few showers.

TROPICAL WEATHER OUTLOOK

Moist and unstable conditions associated with a tropical wave will affect the Lesser Antilles during the forecast period. This wave is moving westward near 15 mph or 24 km/h.

Showers and thunderstorms associated with a broad low pressure area located about midway between the Windward Islands and the coast of west Africa have become better organized and a tropical depression or storm is likely to form in the next day or two as the system moves west-northwestward or northwestward at 10 to 15 mph over the central tropical Atlantic.

A tropical wave over the far eastern tropical Atlantic, is moving westward near 15 mph or 24 km/h. Some slow development of this system is possible over the next few days.

6:00 am Weather Report

Date: 16^th September, 2025

Forecaster: Emmanuel Descartes

Present weather at Hewanorra Airport is partly cloudy.

Present temperature at Hewanorra Airport is 28°C or 82°F.

Last night’s minimum temperature at Hewanorra Airport was 27°C or 81°F.
Relative humidity at Hewanorra Airport is 74%.

Wind at Hewanorra Airport is blowing from the east at 6 mph or 9 km/h.

Rainfall in the 24-hour period that ended at 2:00 am today:
At Hewanorra Airport: 5.5 mm    

Total rainfall for the month of September so far:
At Hewanorra Airport: 24.3 mm   

Sunset today: 6:04 pm                  Sunrise tomorrow: 5:52 am

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and east-southeast near 15 mph or 24 km/h.

Weather: Fair to partly cloudy with a few brief showers.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 6:04 am… High at 12:57 pm.

Tides for Vieux Fort Bay:   Low at 7:31 am…High at 2:04 pm.

Seas: Slight to moderate with waves 3 to 5 feet or 0.9 to 1.5 metres.

FORECAST FOR THE LESSER ANTILLES
Partly cloudy to cloudy with scattered showers and isolated thunderstorms over the Leeward and northern Windward Islands. Elsewhere, fair to partly cloudy, with a few showers.

TROPICAL WEATHER OUTLOOK

Moist and unstable conditions will cause scattered showers and isolated thunderstorms over the northern portion of the Lesser Antilles, during the forecast period.

A tropical wave located over the central Tropical Atlantic, is moving westward near 15 mph or 24 km/h. This wave is expected to affect our region from late Wednesday into Thursday.

Another tropical wave located over the eastern Tropical Atlantic, is also moving westward near 15 mph or 24 km/h. There is a high chance of further development of this wave as it moves over the central Tropical Atlantic, during the next 7 days.

A third tropical wave emerging off the west coast of Africa, is moving westward near 15 mph or 24 km/h. Some slow development of this system is possible over the next few days.

6:00 pm Weather Report

Date: 15^th September, 2025

Forecaster: Vigil Saltibus

Present weather at Hewanorra Airport is fair.

Present weather at GFL Charles Airport is partly cloudy.

Present temperature at Hewanorra Airport is 30°C or 86°F.

Today’s maximum temperature at Hewanorra Airport was 32°C or 90°F.
Relative humidity at Hewanorra Airport is 75%.

Wind at Hewanorra Airport is blowing from the east at 12 mph or 19 km/h.

Rainfall in the 24-hour period that ended at 2:00 pm today:
At Hewanorra Airport: 5.5 mm     At GFL Charles Airport: nil.

Total rainfall for the month of September so far:
At Hewanorra Airport: 24.3 mm    At GFL Charles Airport: 26.3 mm

Sunrise tomorrow: 5:52 am                       Sunset tomorrow: 6:04 pm

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and east-southeast near 16 mph or 26 km/h.

Weather: Fair and warm, occasionally becoming cloudy with a few brief showers.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: High at 10:24 pm… Low at 6:04 am.

Tides for Vieux Fort Bay:   High at 11:31 pm…Low at 7:31 am.

Seas: Slight to moderate with waves 3 to 5 feet or 0.9 to 1.5 metres.

FORECAST FOR THE LESSER ANTILLES
Partly cloudy to cloudy with scattered showers and isolated thunderstorms over the Leeward and northern Windward Islands. Elsewhere, fair to partly cloudy, with a few showers.

TROPICAL WEATHER OUTLOOK

Moist and unstable conditions will cause scattered showers and isolated thunderstorms over the northern portion of the Lesser Antilles, during the forecast period.

A tropical wave located over the central Tropical Atlantic, is moving westward near 15 mph or 24 km/h. This wave is expected to affect our region from late Wednesday into Thursday.

Another tropical wave located over the eastern Tropical Atlantic, is also moving westward near 15 mph or 24 km/h. There is a high chance of further development of this wave as it moves over the central Tropical Atlantic, during the next 7 days.

Date: 15th September, 2025
Forecaster: Maclean Jn Baptiste

Present weather at Hewanorra Airport is partly cloudy.
Present weather at GFL Charles Airport is partly cloudy.
Present temperature at Hewanorra Airport is 31°C or 88°F.
Last night’s minimum temperature at Hewanorra Airport was 27°C or 81°F.
Relative humidity at Hewanorra Airport is 70%.
Wind at Hewanorra Airport is blowing from the east at 18 mph or 30 km/h.
Rainfall in the 24-hour period that ended at 8:00 am today:
At Hewanorra Airport: 5.5 mm. At GFL Charles Airport: nil.
Total rainfall for the month of September so far:
At Hewanorra Airport: 24.3 mm. At GFL Charles Airport: 26.3 mm.

Sunset today: 6:04 pm. Sunrise tomorrow: 5:52 am.

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and east-southeast near 16 mph or 26 km/h.
Weather: Fair and warm, occasionally becoming cloudy with a few brief showers.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 3:04 pm…High at 10:24 pm.
Tides for Vieux Fort Bay: High at 1:04 pm…Low at 04:31 pm.
Seas: Slight to moderate with waves 3 to 5 feet or 0.9 to 1.5 metres.

FORECAST FOR THE LESSER ANTILLES
Partly cloudy to cloudy with scattered showers and isolated thunderstorms over the Leeward and northern Windward Islands. Elsewhere, fair to partly cloudy, with a few showers.

TROPICAL WEATHER OUTLOOK
Moist and unstable conditions will cause scattered showers and isolated thunderstorms over the northern portion of the Lesser Antilles, during the forecast period.
A tropical wave located over the central Tropical Atlantic, is moving westward near 15 mph or 24 km/h. This wave is expected to affect our region from late Wednesday into Thursday.
Another tropical wave located over the eastern Tropical Atlantic, is also moving westward near 15 mph or 24 km/h. There is a high chance of development of this wave as it moves over the central Tropical Atlantic, during the next 7 days.

Date: 15^th September, 2025

Forecaster: Webster Gajadhar

Present weather at Hewanorra Airport is fair.

Present temperature at Hewanorra Airport is 27°C or 81°F.

Last night’s minimum temperature at Hewanorra Airport was 27°C or 81°F.
Relative humidity at Hewanorra Airport is 78%.

Wind at Hewanorra Airport is blowing from the northeast at 9 mph or 15 km/h.

Rainfall in the 24-hour period that ended at 8:00 pm last night:
At Hewanorra Airport: 0.8 mm.

Total rainfall for the month of September so far:
At Hewanorra Airport: 18.8 mm.

Sunset today: 6:04 pm.          Sunrise tomorrow: 5:52 am.

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east-northeast and east near 15 mph or 24 km/h.

Weather: Fair to partly cloudy, with a few showers.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at present…High at 11:57 am.

Tides for Vieux Fort Bay:   Low at 6:15 am…High at 1:04 pm.

Seas: Slight to moderate with waves 3 to 5 feet or 0.9 to 1.5 metres.

FORECAST FOR THE LESSER ANTILLES
Partly cloudy to cloudy with scattered showers and isolated thunderstorms over the Leeward Islands. Elsewhere, fair to partly cloudy with a few showers.

TROPICAL WEATHER OUTLOOK

Moist and unstable conditions will cause scattered showers and isolated thunder-storms over the northern portion of the Lesser Antilles, during the forecast period.

A tropical wave located over the central Tropical Atlantic, is moving westward near 15 mph or 24 km/h. This wave is expected to affect our region from late Wednesday into Thursday.

Another tropical wave located over the eastern Tropical Atlantic, is also moving westward near 15 mph or 24 km/h. There is a high chance of development of this wave as it drifts over the central tropical Atlantic, during the next 7 days.

6:00 pm Weather Report

Date: 14^th September, 2025

Forecaster: Venantius Descartes

Present weather at Hewanorra Airport is partly cloudy.

Present weather at GFL Charles Airport is partly cloudy.

Present temperature at Hewanorra Airport is 30°C or 86°F.

Today’s maximum temperature at Hewanorra Airport was 32°C or 90°F.
Relative humidity at Hewanorra Airport is 72%.

Wind at Hewanorra Airport is blowing from the east at 15 mph or 24 km/h.

Rainfall in the 24-hour period that ended at 2:00 pm today:
At Hewanorra Airport: 0.8 mm              At GFL Charles Airport: 3.9 mm

Total rainfall for the month of September so far:
At Hewanorra Airport: 18.8 mm    at GFL Charles Airport: 26.3 mm

Sunrise tomorrow: 5:52 am… Sunset tomorrow: 6:04 pm           

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east-southeast and east near 17 mph or 28 km/h.

Weather: Fair to partly cloudy with a few showers.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: High at 8:51 pm… Low at 4:48 am.   

Tides for Vieux Fort Bay:   High at 9:58 pm… Low at 6:15 am.

Seas: Slight to moderate with waves 3 to 5 feet or 0.9 to 1.5 metres.

FORECAST FOR THE LESSER ANTILLES
Fair skies becoming occasionally cloudy with widely scattered showers and a chance of isolated thunderstorms.

TROPICAL WEATHER OUTLOOK

Weak unstable conditions will cause some showers over the Lesser Antilles during the forecast period.

Two other tropical waves located over the central and eastern Tropical Atlantic, are moving westward near 15 mph or 24 km/h. Some slow development of the wave over the eastern tropical Atlantic, is very likely over the next 7 days.