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Surf Forecasts:
Tank Beach surfForecast / Saipan / Northern Mariana Islands
48hr Weather and Surf, issued 9 am 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 5PM is: 1.5m 9s primary swell from a East direction and 0.3m 7s secondary swell from a North-northwest direction (forecast issued at 09:00am May 13). The wind direction is predicted to be cross-shore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 5ft (1.5m) | 9s |
| Afternoon (13 May) | 5ft (1.5m) | 9s |
| Evening (13 May) | 4.5ft (1.4m) | 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 19mm), heaviest on Wed night. Warm (max 28°C on Wed morning, min 27°C on Wed morning). Mainly fresh winds. | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 | 7 PM | 10 PM | 1 AM | 4 AM | |
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 9 | E 9 | |
365 | 367 | 375 | 367 | 320 | 320 | 320 | 327 | 327 | 320 | 320 | 276 | 276 | 270 | 230 | 225 | 225 | 225 | 225 | 225 | 264 | 298 | 306 | 320 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 4:10AM0.73m | 4:55PM0.59m | 4:30AM0.73m | 6:18PM0.64m | 4:53AM0.74m | 7:33PM0.69m | ||||||||||||||||||
Low Tide | 11:02AM0.34m | 10:17PM0.42m | 11:38AM0.24m | 11:16PM0.49m | 12:18PM0.14m | 00:17AM0.56m | ||||||||||||||||||
 | | | |  |  | | | | |  |  |  | | | | | | | | | | | | |
 | 5:48 | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 |
 | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | 6:37 |
2 | 1 | 2 | 1 | 2 | — | — | 3 | 5 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 |
28 | 28 | 30 | 31 | 30 | 30 | 30 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 27 | 27 | 27 | 29 | 28 | 28 | 29 | 28 | 26 | 27 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | 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 | NNW 6 | E 9 |
 kJ | 365 | 367 | 375 | 367 | 320 | 320 | 320 | 327 | 19 | 10 | 19 | 9 | 19 | 18 | 19 | 18 | 22 | 22 | 23 | 22 | 21 | 16 | 8 | 320 |
Swell 2 Height (m) Direction Period (s) | NNW 8 | NNW 8 | NW 8 | NNW 7 | N 9 | N 8 | N 8 | 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 | NNW 7 | NNW 6 | SE 12 | NNE 11 |
| kJ | 25 | 23 | 14 | 11 | 13 | 12 | 19 | 10 | 4 | 19 | 5 | 19 | 5 | 4 | 9 | 8 | 7 | 8 | 8 | 25 | 5 | 4 | 22 | 23 |
Swell 3 Height (m) Direction Period (s) | SE 11 | SE 11 | N 9 | SE 11 | SE 12 | NNW 7 | SE 11 | SE 11 | N 9 | NW 7 | N 9 | SE 14 | N 8 | N 7 | N 8 | N 10 | N 10 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 11 | N 11 | NNW 6 |
| kJ | 19 | 19 | 6 | 20 | 21 | 5 | 20 | 20 | 6 | 2 | 6 | 7 | 5 | 4 | 5 | 8 | 8 | 7 | 6 | 6 | 6 | 12 | 9 | 4 |
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 | — |
| kJ | — | — | — | — | — | — | — | — | 327 | 320 | 320 | 276 | 276 | 270 | 230 | 225 | 225 | 225 | 225 | 225 | 264 | 298 | 306 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 227 | 227 | 227 | 227 | 227 | 227 | 227 | 227 | 227 | 227 | 227 | 233 | 2176 | 2056 | 2056 | 2056 | 2056 | 2056 | 2063 | 2063 | 2063 | 2063 | 2056 | 2056 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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