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Surf Forecasts:
Tank Beach surfForecast / Saipan / Northern Mariana Islands
48hr Weather and Surf, issued 3 am Monday 27 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
27.9° 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 7AM is: 1.9m 7s primary swell from a East-northeast direction and 0.8m 13s secondary swell from a North-northeast direction, 0.3m 17s secondary swell from a North-northeast direction (forecast issued at 03:00am April 27). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 6ft (1.8m) | 8s |
| Afternoon (27 Apr) | 3ft (0.9m) | 16s |
| Evening (27 Apr) | 3ft (0.9m) | 15s |
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 6mm), mostly falling on Mon morning. Warm (max 27°C on Mon morning, min 26°C on Tue night). Mainly fresh winds. | ||||||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | ||||||||||||||||||||||
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 | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | NNE 16 | ENE 8 | NNE 15 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | |
303 | 376 | 375 | 346 | 345 | 344 | 316 | 316 | 391 | 478 | 491 | 515 | 476 | 488 | 489 | 555 | 559 | 579 | 623 | 616 | 630 | 586 | 586 | 653 | |
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 | 4:47AM0.72m | 4:12PM0.59m | 5:08AM0.72m | 5:34PM0.60m | 5:26AM0.71m | 6:45PM0.63m | ||||||||||||||||||
Low Tide | 11:10AM0.43m | 10:25PM0.33m | 11:47AM0.36m | 11:13PM0.40m | 12:20PM0.29m | |||||||||||||||||||
 | |  |  | | |  | | | | | | | | | | | | | | | | | | |
 | — | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:32 | — | — |
— | — | — | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
24 | 25 | 26 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 27 | 27 | 26 | |
Swell 1 Height (m) Direction Period (s) | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 16 | ENE 8 | NNE 15 | NNE 14 | NNE 14 | NNE 14 | NNE 14 | E 8 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 |
 kJ | 204 | 198 | 195 | 195 | 192 | 344 | 316 | 305 | 366 | 389 | 378 | 352 | 476 | 307 | 303 | 303 | 242 | 242 | 238 | 220 | 167 | 164 | 161 | 161 |
Swell 2 Height (m) Direction Period (s) | NNE 18 | NNE 18 | NNE 17 | NNE 16 | NNE 16 | NW 8 | NNE 13 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNE 13 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | W 7 | NW 7 | S 11 | — |
| kJ | 32 | 30 | 55 | 53 | 103 | 3 | 125 | 23 | 35 | 33 | 32 | 28 | 384 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 3 | — |
Swell 3 Height (m) Direction Period (s) | NW 10 | NW 9 | NW 9 | NW 9 | NW 8 | N 10 | NNE 15 | NNW 9 | S 13 | S 13 | S 13 | S 13 | NW 8 | NW 7 | — | — | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | — | — |
| kJ | 4 | 3 | 3 | 3 | 3 | 2 | 128 | 8 | 3 | 3 | 3 | 3 | 3 | 2 | — | — | 3 | 3 | 3 | 3 | 3 | 3 | — | — |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | — | E 8 | E 8 | E 8 | E 8 | E 8 | — | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 |
| kJ | 303 | 376 | 375 | 346 | 345 | 308 | — | 316 | 391 | 478 | 491 | 515 | — | 488 | 489 | 555 | 559 | 579 | 623 | 616 | 630 | 586 | 586 | 653 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2056 | 2056 | 249 | 249 | 249 | 249 | 249 | 249 | 249 | 2056 | 2056 | 2056 | 2056 | 2059 | 2059 | 2056 | 2056 | 2056 | 1504 | 1575 | 1575 | 1504 | 1575 | 1504 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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