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Surf Forecasts:
Tank Beach surfForecast / Saipan / Northern Mariana Islands
48hr Weather and Surf, issued 9 pm Thursday 14 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
28.8° 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 2AM is: 1.2m 9s primary swell from a East direction and 0.3m 11s secondary swell from a Southeast direction, 0.2m 8s secondary swell from a North direction (forecast issued at 09:00pm May 14). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 4.5ft (1.3m) | 9s |
| Afternoon (15 May) | 4.5ft (1.3m) | 9s |
| Evening (15 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 ForecastMostly dry. Warm (max 28°C on Thu night, min 27°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||||||
Thu 14 | Friday 15 | Saturday 16 | Sunday 17 | |||||||||||||||||||||
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 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | |
276 | 270 | 230 | 225 | 225 | 264 | 264 | 264 | 252 | 292 | 318 | 325 | 364 | 364 | 440 | 450 | 482 | 550 | 642 | 718 | 788 | 861 | 805 | 828 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 6:18PM0.64m | 4:53AM0.74m | 7:33PM0.69m | 5:21AM0.75m | 8:42PM0.74m | 5:53AM0.76m | ||||||||||||||||||
Low Tide | 11:16PM0.49m | 12:18PM0.14m | 00:17AM0.56m | 1:01PM0.05m | 1:19AM0.62m | 1:48PM-0.02m | ||||||||||||||||||
 | |  | |  |  | | | | | | | | | | | | | | | | | | | |
 | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:47 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 27 | 27 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
27 | 27 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 26 | 27 | 28 | 28 | |
Swell 1 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | SE 11 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 10 | N 9 | N 11 | N 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 |
 kJ | 19 | 18 | 19 | 18 | 22 | 22 | 23 | 22 | 21 | 16 | 6 | 21 | 19 | 20 | 20 | 20 | 19 | 19 | 18 | 17 | 17 | 16 | 16 | 16 |
Swell 2 Height (m) Direction Period (s) | NNE 7 | N 7 | N 8 | NNE 9 | NNE 9 | N 10 | N 10 | NNE 8 | N 9 | N 11 | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 | — | N 6 | — | — | — | — | — | — | — |
| kJ | 5 | 4 | 5 | 8 | 7 | 8 | 8 | 6 | 6 | 9 | 6 | 5 | 5 | 5 | 5 | — | 1 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | N 8 | N 8 | N 11 | N 10 | N 10 | NNE 8 | NNE 8 | N 10 | NNE 7 | N 9 | N 11 | NE 7 | NE 7 | NE 7 | N 6 | — | — | — | — | — | — | — | — | — |
| kJ | 5 | 5 | 9 | 8 | 8 | 7 | 6 | 8 | 5 | 6 | 9 | 2 | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — |
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 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 276 | 270 | 230 | 225 | 225 | 264 | 264 | 264 | 252 | 292 | 318 | 325 | 364 | 364 | 440 | 450 | 482 | 550 | 642 | 718 | 788 | 861 | 805 | 828 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 229 | 2056 | 1491 | 1491 | 2056 | 2056 | 2060 | 2060 | 2060 | 2056 | 2056 | 2056 | 2056 | 2056 | 2063 | 2219 | 2082 | 2228 | 2056 | 2056 | 2056 | 2056 | 2056 | 2063 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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