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Surf Forecasts:
Tank Beach surfForecast / Saipan / Northern Mariana Islands
48hr Weather and Surf, issued 9 pm Friday 22 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
28.6° 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: 1.7m 9s primary swell from a East direction and 0.4m 9s secondary swell from a Northeast direction (forecast issued at 09:00pm May 22). An open ocean swell of 0.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 5ft (1.6m) | 9s |
| Afternoon (23 May) | 5ft (1.6m) | 9s |
| Evening (23 May) | 5ft (1.6m) | 9s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 15mm), heaviest on Sat night. Warm (max 28°C on Fri night, min 27°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Fri 22 | Saturday 23 | Sunday 24 | Monday 25 | |||||||||||||||||||||
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 7 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | |
442 | 455 | 455 | 455 | 404 | 404 | 404 | 404 | 399 | 398 | 342 | 334 | 334 | 334 | 334 | 342 | 334 | 380 | 239 | 263 | 263 | 268 | 328 | 284 | |
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 | cross | cross | cross | |
High Tide | 2:17AM0.76m | 11:25AM0.60m | 2:47AM0.75m | 1:12PM0.56m | 3:13AM0.74m | 3:05PM0.54m | ||||||||||||||||||
Low Tide | 6:12PM0.10m | 8:17AM0.56m | 7:04PM0.19m | 9:17AM0.49m | 7:54PM0.29m | 10:05AM0.41m | ||||||||||||||||||
 | | |  |  |  |  | | | |  | | | | | | | | | | | | | | |
 | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:40 |
— | — | — | — | — | 1 | — | 1 | — | — | 1 | 2 | 1 | — | 1 | 1 | — | 1 | — | 1 | 1 | — | — | 2 | |
Temp °C | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
29 | 27 | 27 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 29 | 29 | 29 | 27 | 26 | 26 | 27 | 25 | 25 | 25 | 26 | |
Swell 1 Height (m) Direction Period (s) | NE 10 | NE 10 | NE 10 | NE 9 | NE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | E 9 | E 9 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NE 11 | NE 11 | NNE 11 | ENE 8 | ENE 8 | N 12 |
 kJ | 24 | 24 | 23 | 22 | 21 | 16 | 16 | 16 | 15 | 15 | 342 | 334 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 11 | 21 | 14 | 25 |
Swell 2 Height (m) Direction Period (s) | S 8 | — | S 8 | — | S 10 | — | E 16 | — | E 16 | E 16 | NNE 8 | NNE 8 | E 16 | SE 15 | SE 15 | SE 15 | NE 10 | NE 10 | SE 15 | SE 15 | SE 15 | NNE 10 | N 12 | ENE 8 |
| kJ | 1 | — | 1 | — | 2 | — | 5 | — | 5 | 5 | 14 | 13 | 5 | 9 | 9 | 9 | 4 | 4 | 9 | 9 | 8 | 10 | 12 | 14 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | E 16 | E 16 | E 16 | E 16 | E 16 | SE 11 | N 12 | N 12 | NE 10 | SE 15 | SE 15 | SE 15 | — | N 13 | SE 14 | NNE 10 | NNE 10 |
| kJ | — | — | — | — | — | — | — | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 4 | 9 | 9 | 9 | — | 3 | 8 | 10 | 10 |
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 7 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 |
| kJ | 442 | 455 | 455 | 455 | 404 | 404 | 404 | 404 | 399 | 398 | — | — | 334 | 334 | 334 | 342 | 334 | 380 | 239 | 263 | 263 | 268 | 328 | 284 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2060 | 2056 | 2056 | 2056 | 2056 | 2056 | 2063 | 2063 | 2063 | 227 | 2056 | 2056 | 2056 | 2056 | 1575 | 2060 | 2063 | 1491 | 2056 | 1491 | 1491 | 1491 | 1491 | 2063 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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