Saint Lucia Meteorological Services

6:00 am Weather Report

Date: 09^th September, 2025

Forecaster: Lemuel O’Shaughnessy

Present weather at Hewanorra Airport is partly cloudy.

Present temperature at Hewanorra Airport is 26°C or 79°F.

Last night’s minimum temperature at Hewanorra Airport was 25°C or 77°F.
Relative humidity at Hewanorra Airport is 79%.

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

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

Total rainfall for the month of September so far:
At Hewanorra Airport: 12.6 mm.  

Sunset today: 6:09 pm      Sunrise tomorrow: 5:52 am       

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

Weather: Fair skies at first, becoming partly cloudy to cloudy with scattered showers and a chance of isolated thunderstorms from this evening into tomorrow.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 10:18 am… High at 4:40 pm.   

Tides for Vieux Fort Bay:   Low at 11:45 am… High at 5:47 pm.

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

FORECAST FOR THE LESSER ANTILLES
Over the Leeward Islands, mostly cloudy with scattered showers and isolated thunderstorms. Elsewhere, fair to occasionally cloudy with a few showers at first, becoming partly cloudy to cloudy with scattered light to moderate showers and isolated thunderstorms from this evening into tomorrow.

TROPICAL WEATHER OUTLOOK

A surface trough will cause cloudiness, showers and isolated thunderstorms over the northern portion of the region, during the forecast period.

A tropical wave located over the central tropical Atlantic is moving westward near 15 mph or 24 km/h, and is expected to affect the Lesser Antilles from later today into Wednesday.

Another tropical wave located over the far eastern tropical Atlantic, is moving westward near 15 mph or 24 km/h.

Tropical cyclone formation is not expected over the tropical Atlantic during the next 7 days.

6:00 pm Weather Report

Date: 08^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 29°C or 84°F.

Today’s maximum temperature at Hewanorra Airport was 32°C or 90°F.
Relative humidity at Hewanorra Airport is 70%.

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

Rainfall in the 24-hour period that ended at 2:00 pm today:
At Hewanorra Airport: nil  At GFL Charles Airport: 2.0 mm

Total rainfall for the month of September so far:
At Hewanorra Airport: 12.6 mm    At GFL Charles Airport: 18.3 mm

Sunrise tomorrow: 5:52 am        Sunset today: 6:09 pm          

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

Weather: Generally fair tonight. Cloudy at times with a few light to moderate showers, tomorrow.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 10:03 pm… High at 4:41 am.   

Tides for Vieux Fort Bay:   Low at 11:30 pm… High at 5:48 am.

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

FORECAST FOR THE LESSER ANTILLES
Over the Leeward and northern Windward Islands, mostly cloudy with scattered showers and isolated thunderstorms. Elsewhere, fair to occasionally cloudy with widely scattered showers.

TROPICAL WEATHER OUTLOOK

A surface trough will cause cloudiness, showers and isolated thunderstorms over the northern half of the region. Weak unstable conditions will result in a few showers over the remainder of the region, during the forecast period.

A tropical wave located over the central tropical Atlantic is moving westward near 15 mph or 24 km/h, and is expected to affect the Lesser Antilles from late Tuesday into Wednesday.

Another tropical wave located over the far eastern tropical Atlantic, is moving westward near 6 mph or 9 km/h.

Tropical cyclone formation is not expected during the next 7 days.

12 noon Weather Report

Date: 08^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 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 67%.

Wind at Hewanorra Airport is blowing from the east at 17 mph or 28 km/h.

Rainfall in the 24-hour period that ended at 8:00 am today:
At Hewanorra Airport: 0.4 mm     At GFL Charles Airport: 3.2 mm

Total rainfall for the month of September so far:
At Hewanorra Airport: 12.6 mm    At GFL Charles Airport: 18.3 mm

Sunset today: 6:10 pm           Sunrise tomorrow: 5:52 am

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

Weather: Fair to partly cloudy skies 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 4:09 pm…Low at 10:03 pm   

Tides for Vieux Fort Bay:   High at 5:16 pm…Low at 11:30 pm  

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

FORECAST FOR THE LESSER ANTILLES
Over the Leeward and northern Windward Islands, mostly cloudy with scattered showers and isolated thunderstorms from tonight. Elsewhere, fair skies occasionally becoming cloudy with widely scattered showers.

TROPICAL WEATHER OUTLOOK

Weak unstable conditions will cause a few scattered showers over the Lesser Antilles, during the forecast period.

A surface trough is expected to cause cloudiness, showers and isolated thunderstorms over the northern half of the region from tonight.

A tropical wave located over the central tropical Atlantic is moving westward near 15 mph or 24 km/h, and is expected to affect the Lesser Antilles from late Tuesday into Wednesday.

Another tropical wave located over the far eastern tropical Atlantic, is moving westward near 10 mph or 17 km/h.

Tropical cyclone formation is not expected during the next 7 days.

Date: 08^th September, 2025

Forecaster: Webster Gajadhar

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 27°C or 81°F.
Relative humidity at Hewanorra Airport is 75%.

Wind at Hewanorra Airport is blowing from the east at 14 mph or 22 km/h.

Rainfall in the 24-hour period that ended at 2:00 am today:
At Hewanorra Airport: 4.0 mm.

Total rainfall for the month of September so far:
At Hewanorra Airport: 12.6 mm.

Sunset today: 6:10 pm.          Sunrise tomorrow: 5:52 am.

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

Weather: Fair skies becoming cloudy at times, 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 9:48 am…High at 4:09 pm.   

Tides for Vieux Fort Bay:  Low at 11:15 am…High at 5:16 pm.   

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

FORECAST FOR THE LESSER ANTILLES
Fair skies becoming cloudy at times, with widely scattered showers. Over the Leeward and northern Windward Islands, mostly cloudy with scattered showers and isolated thunderstorms from tonight.

TROPICAL WEATHER OUTLOOK

Weak unstable conditions will cause a few scattered showers over the Lesser Antilles, during the forecast period.

A surface trough is expected to cause cloudiness, showers and isolated thunderstorms over the northern half of the region from tonight.

A tropical wave located over the central tropical Atlantic is moving westward near 15 mph or 24 km/h, and is expected to affect the Lesser Antilles from late Tuesday into Wednesday.

Another tropical wave located over the far eastern tropical Atlantic, is moving westward near 10 mph or 17 km/h.

Tropical cyclone formation is not expected during the next 7 days.

Date: 07^th September, 2025

Forecaster: Webster Gajadhar

Present weather at Hewanorra Airport is fair with showers nearby.

Present weather at GFL Charles Airport is fair.

Present temperature at Hewanorra Airport is 29°C or 84°F.

Today’s maximum temperature at Hewanorra Airport was 32°C or 90°F.
Relative humidity at Hewanorra Airport is 74%.

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 2:00 pm today:
At Hewanorra Airport: 4.0 mm.       At GFL Charles Airport: 2.1 mm.

Total rainfall for the month of September so far:
At Hewanorra Airport: 12.6 mm.      At GFL Charles Airport: 16.3 mm.

Sunrise tomorrow: 5:52 am.          Sunset tomorrow: 6:10 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 skies becoming cloudy at times, with a few scattered showers.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 9:13 pm…High at 3:53 am.   

Tides for Vieux Fort Bay:  Low at 10:40 pm…High at 5:00 am.   

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

FORECAST FOR THE LESSER ANTILLES
Fair skies becoming cloudy at times, with widely scattered showers.

TROPICAL WEATHER OUTLOOK

Weak unstable conditions will cause a few scattered showers over the Lesser Antilles, during the forecast period.

A tropical wave located over the central tropical Atlantic is moving westward near 12 mph or 19 km/h, and is expected to affect the Lesser Antilles from late Tuesday into Wednesday.

Another tropical wave has emerged off the coast of Africa today and is drifting slowly westward.

Tropical cyclone formation is not expected during the next 7 days.

12:00 Noon Weather Report

Date: 07^th September, 2025

Forecaster: Venantius Descartes

Present weather at Hewanorra Airport is 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 68%.

Wind at Hewanorra Airport is blowing from the east-southeast at 21 mph or 33 km/h.

Rainfall in the 24-hour period that ended at 8:00 am today:
At Hewanorra Airport: 3.6 mm.    At GFL Charles Airport: 0.9 mm.

Total rainfall for the month of September so far:
At Hewanorra Airport: 12.2 mm.   At GFL Charles Airport: 15.1 mm.

Sunset today: 6:10 pm           Sunrise tomorrow: 5:52 am

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

Weather: Fair skies, becoming cloudy at times with a few light to moderate showers.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: High at 3:40 pm… Low at 9:13 pm.   

Tides for Vieux Fort Bay:   High at 4:47 pm… Low at 10:40 pm.  

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

FORECAST FOR THE LESSER ANTILLES
Fair skies becoming cloudy at times, with scattered showers.

TROPICAL WEATHER OUTLOOK

Weak unstable conditions will cause a few scattered showers over 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. The wave is expected to approach the Lesser Antilles by the middle of this week.

Tropical cyclone formation is not expected during the next 7 days.

6:00 am Weather Report

Date: 07^th September, 2025

Forecaster: Vigil Saltibus

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 77%.

Wind at Hewanorra Airport is blowing from the southeast at 8 mph or 13 km/h.

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

Total rainfall for the month of September so far:
At Hewanorra Airport: 8.6 mm

Sunset today: 6:10 pm           Sunrise tomorrow: 5:52 am

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

Weather: Fair to partly cloudy skies with a few light to moderate showers.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 09:18 am…High at 3:40 pm.    

Tides for Vieux Fort Bay:   Low at 10:45 am…High at 4:47 pm.  

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

FORECAST FOR THE LESSER ANTILLES
Over the southern Windward Islands and areas further south, partly cloudy to cloudy with some scattered showers and isolated thunderstorms. Elsewhere, fair skies becoming cloudy at times, with a few showers.

TROPICAL WEATHER OUTLOOK

Inter-Tropical Convergence Zone, is moderately active over the southern portion of the region producing periods of scattered showers and isolated thunderstorms. Weak unstable conditions will cause a few scattered showers over the remainder 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. The wave is expected to approach the Lesser Antilles by the middle part of next week.

Tropical cyclone formation is not expected during the next 7 days.

6:00 pm Weather Report

Date: 06^th September, 2025

Forecaster: Emmanuel Descartes

Present weather at Hewanorra Airport is partly cloudy with showers nearby.

Present weather at GFL Charles Airport is partly cloudy.

Present temperature at Hewanorra Airport is 29°C or 84°F.

Today’s maximum temperature at Hewanorra Airport was 31°C or 88°F.
Relative humidity at Hewanorra Airport is 77%.

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

Rainfall in the 24-hour period that ended at 2:00 pm today:
At Hewanorra Airport: Nil.        At GFL Charles Airport: 1.9 mm.

Total rainfall for the month of September so far:
At Hewanorra Airport: 8.6 mm.       At GFL Charles Airport: 14.2 mm.

Sunrise tomorrow: 5:52 am.              Sunset tomorrow: 6:10 pm.

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from the east near 18 mph or 30 km/h.

Weather: Fair skies becoming cloudy at times, with a few 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 8:24 pm…High at 3:06 am.    

Tides for Vieux Fort Bay:   Low at 9:51 pm…High at 4:13 am.  

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

FORECAST FOR THE LESSER ANTILLES
Over the southern Windward Islands and areas further south, partly cloudy to cloudy with some scattered showers and isolated thunderstorms. Elsewhere, fair skies becoming cloudy at times, with a few showers.

TROPICAL WEATHER OUTLOOK

Inter-Tropical Convergence Zone, is moderately active over the southern portion of the region. Weak unstable conditions will cause a few scattered showers over the remainder of the Lesser Antilles, during the forecast period.

A tropical wave located over the central tropical Atlantic, is moving westward near 12 mph or 19 km/h. Shower and thunderstorm activity associated with this wave have diminished, and the chances of it becoming a tropical depression are decreasing. The system is expected to approach the Lesser Antilles by the middle part of next week. Interests in the region should continue to monitor its progress.

Date: 06^th September, 2025

Forecaster: Webster Gajadhar

Present weather at Hewanorra Airport is partly cloudy.

Present weather at GFL Charles Airport is cloudy.

Present temperature at Hewanorra Airport is 31°C or 88°F.

Last night’s minimum temperature at Hewanorra Airport was 28°C or 82°F.
Relative humidity at Hewanorra Airport is 67%.

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: trace.        At GFL Charles Airport: 1.9 mm.

Total rainfall for the month of September so far:
At Hewanorra Airport: 8.6 mm.       At GFL Charles Airport: 14.2 mm.

Sunset today: 6:11 pm.              Sunrise tomorrow: 5:52 am.

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from the east near 18 mph or 30 km/h.

Weather: Fair skies becoming cloudy at times, 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 3:12 pm…Low at 8:24 pm.    

Tides for Vieux Fort Bay:   High at 4:19 pm…Low at 9:51 pm.  

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

FORECAST FOR THE LESSER ANTILLES
Over the southern Windward Islands and areas further south, partly cloudy to cloudy with scattered showers and isolated thunderstorms. Elsewhere, fair skies becoming cloudy at times, with a few showers.

TROPICAL WEATHER OUTLOOK

Moisture and instability associated with the Inter-Tropical Convergence Zone, will cause scattered showers and isolated thunderstorms over the southern portion of the region, during the next 24 hours. Weak unstable conditions will cause a few showers over the remainder of the Lesser Antilles, during the forecast period.

A tropical wave located over the central tropical Atlantic, is moving westward near 10 mph or 17 km/h. Shower and thunderstorm activity associated with this wave has diminished this morning, and the chances of it becoming a tropical depression are decreasing. The system is expected to approach the Lesser Antilles by the middle part of next week. Interests in the region should continue to monitor its progress.

6:00 am Weather Report
Date: 06^th September, 2025
Forecaster: Lemuel O’Shaughnessy

Present weather at Hewanorra Airport is fair.
Present temperature at Hewanorra Airport is 28°C or 82°F.
Last night’s minimum temperature at Hewanorra Airport was 28°C or 82°F.
Relative humidity at Hewanorra Airport is 75%.
Wind at Hewanorra Airport is blowing from the east northeast at 16 mph or 26 km/h.

Rainfall in the 24-hour period that ended at 2:00 am today:
At Hewanorra Airport: 0.6 mm    
Total rainfall for the month of September so far:
At Hewanorra Airport: 8.6 mm    

Sunset today: 6:11 pm      Sunrise tomorrow: 5:52 am

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

Weather: Fair skies, becoming cloudy at times 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 8:50 am… High at 3:12 pm.   

Tides for Vieux Fort Bay:  Low at 10:17 am… High at 4:19 pm.   

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

FORECAST FOR THE LESSER ANTILLES
Over the southern Windward Islands and areas further south, partly cloudy to cloudy with scattered showers. Elsewhere, fair skies becoming cloudy at times with a few showers.

TROPICAL WEATHER OUTLOOK

Relatively moist and unstable conditions over the Lesser Antilles, will cause some scattered showers mainly over the southern portion of the region, during the forecast period.

A tropical wave, located over the central tropical Atlantic is moving slowly westward near 10 mph or 17 km/h and has a medium chance of tropical cyclone formation during the next seven days. This system is expected to approach the Lesser Antilles by the middle to latter part of next week therefore residents should monitor its progress.