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Surf Forecasts:
Tank Beach surfForecast / Saipan / Northern Mariana Islands
48hr Weather and Surf, issued 3 am Wednesday 29 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 12PM is: 2.1m 8s primary swell from a East direction and 0.9m 12s secondary swell from a North-northeast direction, 0.1m 7s secondary swell from a Northwest direction (forecast issued at 03:00am April 29). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | 7ft (2.1m) | 8s |
| Afternoon (29 Apr) | 7ft (2.1m) | 9s |
| Evening (29 Apr) | 7ft (2.1m) | 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 Thu afternoon. Warm (max 28°C on Thu morning, min 27°C on Wed morning). Mainly fresh winds. | ||||||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 1 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
E 8 | E 8 | 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 | E 9 | E 9 | E 9 | E 9 | E 9 | |
559 | 616 | 616 | 630 | 645 | 645 | 645 | 660 | 676 | 676 | 686 | 691 | 642 | 650 | 588 | 509 | 509 | 455 | 445 | 395 | 435 | 442 | 494 | 506 | |
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 | 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 | 5:26AM0.71m | 6:45PM0.63m | 5:44AM0.70m | 7:48PM0.66m | 6:02AM0.69m | 8:45PM0.68m | ||||||||||||||||||
Low Tide | 11:13PM0.40m | 12:20PM0.29m | 11:59PM0.46m | 12:52PM0.23m | 00:45AM0.52m | 1:23PM0.17m | ||||||||||||||||||
 |  |  | | | | | |  | |  | | |  | | | | | | | | | | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:34 | — | — |
— | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 |
25 | 25 | 25 | 26 | 26 | 26 | 27 | 26 | 26 | 25 | 26 | 27 | 26 | 26 | 27 | 27 | 26 | 26 | 27 | 26 | 26 | 28 | 27 | 27 | |
Swell 1 Height (m) Direction Period (s) | NNE 13 | NNE 13 | NNE 13 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 11 | NNE 11 | NNE 11 | NNE 11 | NNE 11 | E 9 | E 9 | NE 8 | NNE 8 | NNE 10 | NNE 11 | NE 10 |
 kJ | 298 | 242 | 235 | 220 | 210 | 164 | 161 | 161 | 161 | 158 | 121 | 119 | 109 | 105 | 103 | 78 | 99 | 455 | 445 | 17 | 11 | 11 | 11 | 4 |
Swell 2 Height (m) Direction Period (s) | NW 7 | NW 7 | NW 7 | NW 7 | W 7 | W 7 | — | — | — | — | — | — | — | — | — | — | — | NNE 8 | NNE 8 | NNE 11 | NNE 11 | NW 8 | NW 7 | NW 7 |
| kJ | 2 | 2 | 2 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 26 | 28 | 22 | 11 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | S 12 | — | — | — | — | — | — | — | — | — | — | — | — | NNE 11 | NNE 11 | N 8 | N 8 | N 9 | N 9 | N 8 |
| kJ | 3 | 3 | 3 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | 22 | 22 | 1 | 1 | 2 | 2 | 1 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | 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 | E 9 | E 9 | E 9 | E 9 |
| kJ | 559 | 616 | 616 | 630 | 645 | 645 | 645 | 660 | 676 | 676 | 686 | 691 | 642 | 650 | 588 | 509 | 509 | 351 | — | 395 | 435 | 442 | 494 | 506 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2056 | 1575 | 2056 | 1504 | 1575 | 1504 | 1504 | 1504 | 1504 | 2056 | 2056 | 2056 | 2056 | 2056 | 1575 | 1575 | 1575 | 1575 | 1504 | 1504 | 1504 | 1504 | 1504 | 1504 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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