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

information circle48hr 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) & DateWave HeightWave 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
Thursday
18
Friday
19
Saturday
20
Sunday
21
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
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
Wave Height (m) & direction (?)
0.9
ENE
0.8
NE
0.5
ENE
0.6
NE
0.6
NE
0.6
NE
0.5
NE
0.5
NE
0.5
NE
0.5
NE
0.3
N
0.7
E
0.8
E
0.8
E
0.8
E
0.8
E
0.9
E
0.8
E
0.8
E
0.8
E
0.7
E
0.7
E
0.6
E
0.6
E
Period(s) (?)87877776669141312121111111110101099
Wave
Graph
(?)Metric surfscale
Energy kJ (?)955233443328222018191518120217216616019614914313096906059
Wind
(km/h)
25
E
20
ESE
20
ESE
15
ESE
15
E
15
E
15
ESE
15
ESE
15
SE
10
SE
10
SE
10
ESE
15
ESE
15
ESE
10
SE
15
SSE
10
SSE
10
SSE
10
SE
15
ESE
15
ESE
15
ESE
15
ESE
20
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
cross-
off
cross-
off
crosscrosscross-
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-----
thunderstorm
light rain
light rain
cloud
cloud
part cloud
part cloud
clear
clear
clear
thunderstorm
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
111-------1--2----------
Temp. °C262525272728282828282828282828282828282828282828
Feels °C (?)262526292830293030313231313131313131313030313030
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for Tortola

  1. weather stationWind 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.

    Trunk Bay - Shark Bay
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Actual: 53 min ago

9 km/h
E
Clean
Please reload the page to see if there are any updates.

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