St. Thomas Cruising Conditions

General Conditions

During the winter months (November to January) the wind is from the northeast at 15-20 knots. The Christmas winds can produce 25-30 knots for several days at a time. In February, the winds move to the east and by June it changes to the southeast at 10-15 knots. In September and October, the trade winds are at their weakest and the weather can be less settled. By November the high pressure system around Bermuda starts to stabilize and 15-20 knot breezes become the norm. Immediate weather conditions can be found at http://www.weather.com.

Local Seas
Local seas are "relaxed" seas and generally in the 3-4 foot range.

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
January	83	75	28	24	3	76	77	25	NE 15-25 kts
February	83	75	28	24	2	50	77	25	E 15-25 kts
March	83	75	28	24	2	50	78	26	E 15-25 kts
April	84	77	29	25	3	76	80	27	E 15-25 kts
May	86	78	30	26	4	101	82	28	SE 15-20 kts
June	88	80	31	27	3	76	83	28	SE 15-20 kts
July	88	80	31	27	3	76	84	29	SE 15-20 kts
August	88	80	31	27	5	127	85	29	SE 15-20 kts
September	88	80	31	27	5	127	84	29	SE 5-15 kts
October	87	80	31	27	4	101	83	28	SE 5-15 kts
November	85	78	29	26	5	127	82	28	NE 5-20 kts
December	83	76	28	24	4	101	80	27	NE 15-25 kts

Weather Forecasts
Charterers can obtain the weather situation at any time by listening to the maritime weather forecasts. Weather updates are given hourly during severe weather.

ZBVI 780 kHz AM 8:00am daily and up-date every hour on the ½ hour
V.H.F. WX 03 (not available in all areas)
WVWI 1000 Khz AM 7:55 am daily
FM99 99.5 Mhz AM 7:55 am daily
WOSO 1030 Khz AM every hour daily
Weather Fax call 284-496-6900

Tides
In St. Thomas and the British Virgin Islands the tide range is very small.