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Surf Forecasts:
Tank Beach surfForecast / Saipan / Northern Mariana Islands
48hr Weather and Surf, issued 9 pm Wednesday 13 May 2026 ChSTForecast update in hr min s Forecast update imminent
Tank Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tank Beach sea temperature is
28.7° C
(Which is normal for this time of year)How big are the waves at Tank Beach today?
The current surf forecast for Tank Beach at 1AM is: 1.4m 9s primary swell from a East direction and 0.4m 8s secondary swell from a North direction, 0.3m 11s secondary swell from a Southeast direction (forecast issued at 09:00pm May 13). The wind direction is predicted to be cross-shore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 4.5ft (1.4m) | 9s |
| Afternoon (14 May) | 4.5ft (1.4m) | 9s |
| Evening (14 May) | 4.5ft (1.3m) | 9s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Wed night. Warm (max 28°C on Wed night, min 27°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||||||
Wed 13 | Thursday 14 | Friday 15 | Saturday 16 | |||||||||||||||||||||
7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 7 | E 8 | |
318 | 320 | 320 | 327 | 320 | 320 | 320 | 320 | 276 | 270 | 270 | 264 | 264 | 225 | 230 | 230 | 264 | 258 | 313 | 320 | 320 | 364 | 258 | 392 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 4:55PM0.59m | 4:30AM0.73m | 6:18PM0.64m | 4:53AM0.74m | 7:33PM0.69m | 5:21AM0.75m | ||||||||||||||||||
Low Tide | 10:17PM0.42m | 11:38AM0.24m | 11:16PM0.49m | 12:18PM0.14m | 00:17AM0.56m | 1:01PM0.05m | ||||||||||||||||||
 | | |  |  | |  |  |  | | | | | | | | | | | | | | | | |
 | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 |
— | — | — | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | |
Temp °C | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
29 | 29 | 29 | 28 | 29 | 28 | 28 | 29 | 29 | 29 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | |
Swell 1 Height (m) Direction Period (s) | E 9 | N 8 | N 8 | SE 11 | SE 11 | N 8 | SE 11 | N 7 | SE 11 | SE 11 | SE 11 | SE 11 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 10 | SE 12 | N 11 | N 10 | NNE 10 | NNE 10 | NNE 10 |
 kJ | 318 | 12 | 19 | 20 | 19 | 10 | 19 | 9 | 19 | 18 | 19 | 18 | 22 | 22 | 23 | 22 | 22 | 16 | 22 | 21 | 19 | 20 | 20 | 20 |
Swell 2 Height (m) Direction Period (s) | N 8 | NNW 7 | SE 11 | N 8 | N 7 | SE 11 | NNE 7 | SE 11 | NNE 7 | N 7 | N 11 | NNE 9 | NNE 9 | N 10 | N 10 | N 12 | N 9 | N 11 | N 9 | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 |
| kJ | 13 | 5 | 20 | 10 | 4 | 19 | 5 | 19 | 5 | 4 | 9 | 8 | 7 | 8 | 8 | 11 | 6 | 9 | 6 | 5 | 5 | 5 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 11 | NW 7 | NNW 7 | N 9 | NW 7 | N 9 | SE 14 | N 8 | N 8 | N 7 | N 10 | N 10 | NNE 8 | NNE 8 | NNE 8 | N 11 | N 9 | N 11 | NE 7 | NE 7 | NE 7 | — | — |
| kJ | 21 | 19 | 2 | 5 | 6 | 2 | 6 | 7 | 5 | 5 | 4 | 8 | 8 | 7 | 6 | 6 | 10 | 6 | 9 | 2 | 2 | 2 | — | — |
Wind waves Height (m) Direction Period (s) | — | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 7 | E 8 |
| kJ | — | 320 | 320 | 327 | 320 | 320 | 320 | 320 | 276 | 270 | 270 | 264 | 264 | 225 | 230 | 230 | 264 | 258 | 313 | 320 | 320 | 364 | 258 | 392 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 227 | 227 | 227 | 227 | 227 | 227 | 227 | 227 | 227 | 2056 | 2056 | 2056 | 2056 | 2056 | 2060 | 2063 | 2063 | 2056 | 2056 | 2056 | 2056 | 2056 | 2061 | 2219 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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