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 7 pm Wednesday 17 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 10PM is: 0.9m 8s primary swell from a East-northeast direction and 0.2m 11s secondary swell from a North-northeast direction (forecast issued at 07:00pm September 17). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (AST) & Date	Wave Height	Wave Period
Morning (17 Sep)	-	-
Afternoon (17 Sep)	3.5ft (1.1m)	8s
Evening (17 Sep)	2.5ft (0.8m)	8s

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

	Wednesday 17			Thursday 18								Friday 19								Saturday 20
	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	11 AM	2 PM
Rating (10 max)	0	0	0	0	0	0	0	1	0	1	0	0	0	0	0	0	0	1	0	1	2	1	1	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	E	ENE	ENE	ENE	ENE	ENE	ENE	NE	NE	E	ENE	ENE	ENE	ENE	NE	ENE	N	E	E	E	E	ENE	E	E
Period(s) (?)	8	8	8	8	8	8	8	7	7	8	7	5	6	6	6	8	9	12	12	11	11	10	10	10
Wave Graph (?)
kJ (?)	127	80	94	75	84	89	83	44	43	82	91	30	43	24	16	11	15	110	96	119	151	82	138	133
Wind (km/h)	E	E	E	ESE	ESE	E	E	SE	SE	ESE	E	E	E	ESE	SE	SE	ESE	ESE	E	ESE	ESE	SE	SSE	SSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross	cross- off	cross- off	cross	cross	cross- off	cross- off	cross- off	cross	cross	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross	cross- off	cross- off	cross- off	cross- off	off
High Tide / height (m)		5:47PM 0.46				5:10AM 0.31				6:37PM 0.45				6:18AM 0.34				7:20PM 0.44				7:16AM 0.38
Low Tide / height (m)				12:21AM 0.20				11:30AM 0.08				12:58AM 0.19				12:30PM 0.10				1:30AM 0.17				1:26PM 0.11

	Wednesday 17			Thursday 18								Friday 19								Saturday 20
Sunrise	-	-	-	-	-	6:05	-	-	-	-	-	-	-	6:05	-	-	-	-	-	-	-	6:05	-	-
Sunset	6:19	-	-	-	-	-	-	-	6:17	-	-	-	-	-	-	-	6:16	-	-	-	-	-	-	-

Rain (mm)	1	2	3	-	3	6	2	1	-	-	-	1	1	-	-	-	1	1	2	1	-	-	-	-
Temp. °C	29	28	28	28	27	28	28	28	27	27	27	28	28	28	28	28	28	28	28	28	28	28	28	28
Feels °C (?)	29	29	27	28	29	29	29	30	28	29	29	30	29	29	29	31	31	31	31	31	32	32	32	32

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 Still cross-shore at Trunk Bay - Shark Bay (light winds from the E at BeefIsland-Tortola 10 km from Trunk Bay - Shark Bay). 0.4m 6s windswell from the NNE with a 0.2m 8s swell from the N and a 0.2m 10s swell, also from the N. 3 swells combining to make bigger set waves.
49 minutes ago Trunk Bay - Shark Bay

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Actual: 49 min ago

11 km/h

Cross-Shore

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