Trunk Bay - Shark Bay Surf Forecast

/ Tortola (12 surf breaks) /

British Virgin Islands (22 surf breaks) / Lat Long: (18.45° N 64.63° W)

Surf Forecasts:

Trunk Bay - Shark Bay surfForecast / Tortola / British Virgin Islands

48hr Weather and Surf, issued 1 pm Thursday 18 Sep 2025 AST

Forecast update in hr min s Forecast update imminent

Trunk Bay - Shark Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Trunk Bay - Shark Bay sea temperature is 29.8° C
(Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Trunk Bay - Shark Bay today?

The current surf forecast for Trunk Bay - Shark Bay at 4PM is: 0.5m 8s primary swell from a East-northeast direction and 0.4m 6s secondary swell from a North-northeast direction (forecast issued at 01:00pm September 18). An open ocean swell of 0.6m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (AST) & Date	Wave Height	Wave Period
Morning (18 Sep)	3ft (0.9m)	8s
Afternoon (18 Sep)	2.5ft (0.8m)	7s
Evening (18 Sep)	2ft (0.6m)	7s

Table - waves today at Trunk Bay - Shark Bay. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Thursday 18					Friday 19								Saturday 20								Sunday 21
	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM
Rating (10 max)	0	0	0	1	0	0	0	0	0	0	0	2	2	1	2	2	2	2	1	1	0	1	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	ENE	NE	ENE	NE	NE	NE	NE	NE	NE	NE	N	E	E	E	E	E	E	E	E	E	E	E	E	E
Period(s) (?)	8	7	8	7	7	7	7	6	6	6	9	14	13	12	12	11	11	11	11	10	10	10	9	9
Wave Graph (?)
kJ (?)	95	52	33	44	33	28	22	20	18	19	15	181	202	172	166	160	196	149	143	130	96	90	60	59
Wind (km/h)	E	ESE	ESE	ESE	E	E	ESE	ESE	SE	SE	SE	ESE	ESE	ESE	SE	SSE	SSE	SSE	SE	ESE	ESE	ESE	ESE	ESE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross- off	cross- off	cross- off	cross	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off
High Tide / height (m)				6:37PM 0.45				6:18AM 0.34				7:20PM 0.44				7:16AM 0.38				7:57PM 0.42
Low Tide / height (m)		11:30AM 0.08				12:58AM 0.19				12:30PM 0.10				1:30AM 0.17				1:26PM 0.11				2:00AM 0.16

	Thursday 18					Friday 19								Saturday 20								Sunday 21
Sunrise	-	-	-	-	-	-	-	6:05	-	-	-	-	-	-	-	6:05	-	-	-	-	-	-	-	6:07
Sunset	-	-	6:17	-	-	-	-	-	-	-	6:16	-	-	-	-	-	-	-	6:15	-	-	-	-	-

Rain (mm)	1	1	1	-	-	-	-	-	-	-	1	-	-	2	-	-	-	-	-	-	-	-	-	-
Temp. °C	26	25	25	27	27	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28
Feels °C (?)	26	25	26	29	28	30	29	30	30	31	32	31	31	31	31	31	31	31	31	30	30	31	30	30

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Tortola

Wind Update Offshore wind has become very light (light winds from the E at BeefIsland-Tortola 10 km from Trunk Bay - Shark Bay). Surf should be turning clean at Trunk Bay - Shark Bay. 0.7m 6s windswell from the NNE with a 0.2m 9s swell from the N and a 0.2m 8s swell from the NNW. 3 swells combining to make bigger set waves.
53 minutes ago Trunk Bay - Shark Bay

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Actual: 53 min ago

9 km/h

Clean

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