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Surf Forecasts:
Tank Beach surfForecast / Saipan / Northern Mariana Islands
48hr Weather and Surf, issued 3 pm Saturday 25 Apr 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
27.8° 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 10PM is: 0.9m 13s primary swell from a North-northeast direction and 0.2m 8s secondary swell from a North-northwest direction, 1.4m 7s secondary swell from a East-northeast direction (forecast issued at 03:00pm April 25). The wind direction is predicted to be onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | - | - |
| Afternoon (25 Apr) | 3ft (0.9m) | 13s |
| Evening (25 Apr) | 3ft (0.9m) | 13s |
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 8mm), mostly falling on Mon morning. Warm (max 27°C on Sat afternoon, min 26°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||||||
Sat 25 | Sunday 26 | Monday 27 | Tue 28 | |||||||||||||||||||||
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 | 7 AM | 10 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | ENE 7 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | |
342 | 307 | 246 | 242 | 242 | 238 | 186 | 169 | 170 | 233 | 240 | 285 | 404 | 426 | 397 | 385 | 356 | 365 | 364 | 441 | 491 | 503 | 567 | 581 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | on | cross-on | 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 | 4:22AM0.73m | 2:38PM0.59m | 4:47AM0.72m | 4:12PM0.59m | 5:08AM0.72m | |||||||||||||||||||
Low Tide | 8:40PM0.19m | 10:28AM0.50m | 9:34PM0.26m | 11:10AM0.43m | 10:25PM0.33m | |||||||||||||||||||
 | |  | | | | | | | | | | |  |  | | | | | | | | | | |
 | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — |
 | — | 6:32 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | 6:32 |
— | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 1 | — | 1 | — | 1 | 1 | — | — | |
Temp °C | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
27 | 27 | 26 | 26 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 26 | 26 | 25 | 26 | 24 | 26 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | |
Swell 1 Height (m) Direction Period (s) | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 14 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | ENE 8 | ENE 8 | NNE 15 | NNE 14 | NNE 14 | NNE 14 | NNE 14 |
 kJ | 342 | 307 | 246 | 242 | 242 | 238 | 186 | 169 | 109 | 111 | 111 | 229 | 204 | 198 | 195 | 195 | 192 | 365 | 364 | 305 | 394 | 389 | 384 | 395 |
Swell 2 Height (m) Direction Period (s) | NE 9 | NE 8 | NE 10 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNE 16 | NNE 15 | NNE 15 | NNE 15 | NW 10 | NNE 18 | NNE 18 | NNE 17 | NNE 16 | NNE 16 | NNE 16 | NNE 13 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | W 8 |
| kJ | 87 | 71 | 77 | 6 | 6 | 6 | 5 | 26 | 87 | 43 | 72 | 4 | 32 | 30 | 55 | 53 | 103 | 344 | 125 | 23 | 35 | 33 | 32 | 1 |
Swell 3 Height (m) Direction Period (s) | NNW 8 | NNW 8 | NNW 8 | SE 12 | SE 12 | SE 12 | NNE 16 | NNW 7 | NNW 7 | NW 7 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NNW 9 | NW 8 | NW 8 | NNE 15 | NNW 9 | S 13 | S 13 | S 13 | S 13 |
| kJ | 7 | 7 | 6 | 6 | 6 | 5 | 26 | 5 | 5 | 2 | 4 | 4 | 4 | 3 | 3 | 8 | 3 | 3 | 128 | 8 | 3 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | E 8 | — | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 85 | 107 | 110 | 168 | 168 | 145 | 145 | 163 | 170 | 233 | 240 | 285 | 404 | 426 | 397 | 385 | 356 | 272 | — | 441 | 491 | 503 | 567 | 581 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1504 | 1504 | 1504 | 1575 | 1504 | 1575 | 1575 | 1575 | 1575 | 1575 | 1575 | 2056 | 2056 | 2056 | 2056 | 2056 | 249 | 249 | 249 | 249 | 249 | 249 | 2056 | 2056 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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