St. Martin Sailing Conditions

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Sailing Conditions

General Conditions
The Leeward Islands that include the island of St. Maarten and St. Martin are constantly cooled by trade winds, so it's comfortable to visit them at any time of the year. The average temperature is 80 degrees F (26 °C) and rainfall totals an average of 45 inches (1143 mm) yearly.

Winds are the Easterly Trades generally at 10 to 20 knots, lighter in the summer months, during the hurricane season, between August and September. Usually the Christmas winds blow for a couple of weeks in the wintertime and are sometimes up around 25 to 30. During these couple of weeks a North-East swell is dominating above 8-9 Ft.

Visibility is generally excellent and on very clear days you can see the islands of Saba, St Eustatius (Statia), St Christopher (St Kitts) and even Nevis, some 60 miles to the southeast. Fog is unheard of but occasionally haze, especially from August to October, can reduce visibility to 15 miles or so.

From the sailors point of view the briskest sailing is around Christmas time and the lightest is in the middle of the hurricane season.

Immediate weather conditions can be found at http://www.weather.com

Historical Weather (Averages by month):

Month	°F Max	°F Min	°C Max	°C Min	Ave Precip (in)	Ave Precip (mm)	Ave Water Temp (°F)	Ave Water Temp (°C)	Ave Wind Speed
Jan	83	75	28	24	3	76	77	25	NE15-20 kts
Feb	83	75	28	24	2	51	77	25	E15-20 kts
Mar	83	75	28	24	2	51	78	26	E15-20 kts
Apr	84	77	29	25	3	76	80	27	E15-20 kts
May	86	78	30	26	4	101	82	28	SE15-20 kts
Jun	88	80	31	27	3	76	83	28	SE15-20 kts
Jul	88	80	31	27	3	76	84	29	SE15-20 kts
Aug	88	80	31	27	5	127	85	29	SE15-20 kts
Sept	88	80	31	27	5	127	84	29	SE 15-20 kts
Oct	87	80	31	27	4	101	83	28	SE 15-20 kts
Nov	85	78	29	26	5	127	82	28	NE15-20 kts
Dec	83	76	28	24	4	101	80	27	NE15-20 kts

Tides
The tide range is very small: 30 cm to 60 cm (one to two feet) including the variation of level due to atmospheric pressure and dominant winds.

Forecasts
The base provides a weather forecast for the first day and will provide a listing of stations that broadcast weather.
Clients can obtain the weather situation at any time by calling: Météo France: 08 92 68 08 08 Or by listening to LASER 101.5 FM radio for local weather at 7:45 and 8:15 AM (English).
Radio transat 106.1 FM broadcasts weather every hour/day 6:30 to 1230 (French).
NEW: VHF channel 64 at 9 am, 12 am, 8 pm and 10 pm (French).

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