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Surf Forecasts:
Tank Beach surfForecast / Saipan / Northern Mariana Islands
48hr Weather and Surf, issued 9 pm Wednesday 22 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
27.6° 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 4AM is: 1.5m 11s primary swell from a North-northeast direction and 0.3m 8s secondary swell from a East direction, 0.9m 5s secondary swell from a East direction (forecast issued at 09:00pm April 22). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 4.5ft (1.4m) | 11s |
| Afternoon (23 Apr) | 4ft (1.2m) | 11s |
| Evening (23 Apr) | 2.5ft (0.7m) | 16s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 28°C on Fri morning, min 27°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 22 | Thursday 23 | Friday 24 | Saturday 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 |   |    |    |    | ||||||||||||||||||||
NNE 11 | NNE 11 | NNE 11 | NNE 11 | NNE 11 | NNE 11 | NNE 11 | NNE 11 | NNE 11 | NNE 16 | NNE 16 | NNE 16 | NNE 16 | NNE 15 | NNE 15 | NNE 15 | NNE 14 | NNE 14 | NNE 14 | NNE 14 | NNE 14 | NNE 14 | NNE 13 | NNE 13 | |
504 | 495 | 517 | 517 | 517 | 450 | 359 | 281 | 411 | 226 | 284 | 353 | 457 | 519 | 498 | 485 | 478 | 472 | 465 | 465 | 452 | 362 | 342 | 307 | |
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 | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | |
High Tide | 2:15AM0.75m | 10:03AM0.68m | 3:10AM0.74m | 11:17AM0.64m | 3:51AM0.73m | 12:54PM0.61m | ||||||||||||||||||
Low Tide | 5:40PM0.03m | 7:09AM0.65m | 6:40PM0.07m | 8:31AM0.62m | 7:41PM0.13m | 9:37AM0.57m | ||||||||||||||||||
 |  | | |  | | | | | | |  |  |  | | | | | | | | | | | |
 | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:32 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
26 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 26 | 27 | 26 | 29 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | |
Swell 1 Height (m) Direction Period (s) | NNE 11 | NNE 11 | NNE 11 | NNE 11 | NNE 11 | NNE 11 | NNE 11 | NNE 11 | NNE 11 | NNE 10 | NNE 10 | NE 11 | NE 10 | NE 10 | NNE 15 | NNE 15 | NNE 14 | NNE 14 | NNE 14 | NNE 14 | NNE 14 | NNE 14 | NNE 13 | NNE 13 |
 kJ | 504 | 495 | 517 | 517 | 517 | 450 | 359 | 281 | 411 | 200 | 168 | 268 | 204 | 212 | 498 | 485 | 478 | 472 | 465 | 465 | 452 | 362 | 342 | 307 |
Swell 2 Height (m) Direction Period (s) | E 8 | ESE 12 | E 8 | E 8 | ESE 11 | NNE 17 | NE 13 | NE 12 | NNE 16 | NE 11 | NNE 16 | NNE 16 | NNE 16 | NNE 15 | NE 10 | NE 10 | NE 10 | NE 10 | NE 9 | NE 9 | NE 9 | E 7 | NE 9 | NNW 8 |
| kJ | 12 | 14 | 12 | 12 | 11 | 59 | 103 | 124 | 149 | 123 | 284 | 353 | 457 | 519 | 192 | 200 | 184 | 177 | 179 | 118 | 135 | 70 | 97 | 7 |
Swell 3 Height (m) Direction Period (s) | SE 12 | — | ESE 12 | NNE 16 | — | ESE 11 | NNE 17 | NNE 15 | SE 11 | NNE 16 | NE 11 | SE 11 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | NE 9 | NW 8 | SE 12 |
| kJ | 22 | — | 13 | 26 | — | 11 | 59 | 130 | 5 | 226 | 123 | 5 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 101 | 3 | 6 |
Wind waves Height (m) Direction Period (s) | E 4 | E 4 | E 5 | E 5 | E 5 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | ESE 6 | ESE 6 | E 6 | E 6 | — | E 7 | ENE 7 |
| kJ | 16 | 30 | 36 | 39 | 50 | 66 | 74 | 98 | 116 | 120 | 124 | 113 | 116 | 116 | 109 | 94 | 81 | 66 | 66 | 79 | 68 | — | 89 | 183 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1504 | 1504 | 1504 | 1504 | 1504 | 1504 | 1504 | 1575 | 1575 | 2056 | 1504 | 1504 | 1504 | 1575 | 1504 | 1504 | 1504 | 1504 | 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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