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Surf Forecasts:
Tank Beach surfForecast / Saipan / Northern Mariana Islands
48hr Weather and Surf, issued 9 pm Friday 15 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
28.9° 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 3AM is: 1.4m 9s primary swell from a East direction and 0.3m 10s secondary swell from a North direction, 0.1m 12s secondary swell from a Southeast direction (forecast issued at 09:00pm May 15). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 5ft (1.5m) | 9s |
| Afternoon (16 May) | 5.5ft (1.7m) | 8s |
| Evening (16 May) | 6ft (1.9m) | 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 2mm), mostly falling on Fri night. Warm (max 28°C on Fri night, min 28°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Monday 18 | |||||||||||||||||||||
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 8 | E 8 | 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 | |
258 | 258 | 313 | 320 | 320 | 408 | 450 | 439 | 460 | 542 | 627 | 770 | 788 | 937 | 937 | 899 | 904 | 828 | 845 | 771 | 755 | 695 | 766 | 766 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 7:33PM0.69m | 5:21AM0.75m | 8:42PM0.74m | 5:53AM0.76m | 9:48PM0.77m | 6:30AM0.76m | ||||||||||||||||||
Low Tide | 00:17AM0.56m | 1:01PM0.05m | 1:19AM0.62m | 1:48PM-0.02m | 2:21AM0.66m | 2:38PM-0.06m | ||||||||||||||||||
 | | | |  |  | | | | | | | | | |  |  |  | | | | | | | |
 | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:47 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:38 |
— | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
28 | 28 | 28 | 28 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 26 | 27 | 26 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | |
Swell 1 Height (m) Direction Period (s) | 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 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 |
 kJ | 21 | 16 | 6 | 21 | 19 | 20 | 20 | 20 | 19 | 19 | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 8 | 8 |
Swell 2 Height (m) Direction Period (s) | N 9 | N 11 | SE 12 | SE 12 | SE 11 | SE 11 | N 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 7 | N 7 |
| kJ | 6 | 9 | 6 | 5 | 5 | 5 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | NNE 8 | N 9 | N 11 | NE 7 | NE 7 | N 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | 6 | 9 | 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 8 | E 8 | 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 |
| kJ | 258 | 258 | 313 | 320 | 320 | 408 | 450 | 439 | 460 | 542 | 627 | 770 | 788 | 937 | 937 | 899 | 904 | 828 | 845 | 771 | 755 | 695 | 766 | 766 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2056 | 2056 | 2056 | 2056 | 2056 | 2056 | 2060 | 2219 | 2219 | 2082 | 2056 | 2056 | 2056 | 2056 | 2067 | 2063 | 2082 | 2057 | 2056 | 2056 | 2056 | 2056 | 2061 | 2058 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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