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Surf Forecasts:
Tank Beach surfForecast / Saipan / Northern Mariana Islands
48hr Weather and Surf, issued 3 am 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
27.6° C
(Which is slightly cooler than normal)How big are the waves at Tank Beach today?
The current surf forecast for Tank Beach at 8AM is: 1.0m 14s primary swell from a North-northeast direction and 0.8m 9s secondary swell from a Northeast direction, 0.9m 6s secondary swell from a East direction (forecast issued at 03:00am April 25). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | 3.5ft (1.0m) | 14s |
| 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 ForecastModerate rain (total 10mm), heaviest on Mon afternoon. Warm (max 27°C on Sat morning, min 26°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||||||
Saturday 25 | Sunday 26 | Monday 27 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
NNE 14 | NNE 14 | NNE 14 | NNE 14 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 12 | ENE 6 | ENE 6 | ENE 7 | NNE 14 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | NNE 16 | E 8 | E 8 | |
465 | 465 | 452 | 362 | 342 | 307 | 246 | 242 | 242 | 238 | 186 | 169 | 170 | 176 | 240 | 289 | 345 | 376 | 375 | 375 | 375 | 367 | 329 | 346 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | 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 | |
High Tide | 3:51AM0.73m | 12:54PM0.61m | 4:22AM0.73m | 2:38PM0.59m | 4:47AM0.72m | 4:12PM0.59m | ||||||||||||||||||
Low Tide | 9:37AM0.57m | 8:40PM0.19m | 10:28AM0.50m | 9:34PM0.26m | 11:10AM0.43m | |||||||||||||||||||
 | |  | | | | | | | | |  | | | | | |  |  | | | |  | | |
 | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:32 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 2 | 2 | 1 | |
Temp °C | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
26 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 27 | 27 | 28 | 28 | |
Swell 1 Height (m) Direction Period (s) | NNE 14 | NNE 14 | NNE 14 | NNE 14 | 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 | NNE 16 | NNE 13 | E 8 |
 kJ | 465 | 465 | 452 | 362 | 342 | 307 | 246 | 242 | 242 | 238 | 186 | 169 | 109 | 111 | 111 | 289 | 204 | 198 | 195 | 195 | 192 | 344 | 140 | 346 |
Swell 2 Height (m) Direction Period (s) | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NNW 8 | NNW 7 | NNE 16 | NE 9 | NNE 15 | NNE 15 | NW 10 | NNE 18 | NNE 18 | NNE 17 | NNE 16 | NNE 16 | NW 8 | NNE 15 | NNE 15 |
| kJ | 97 | 97 | 135 | 87 | 87 | 71 | 54 | 54 | 42 | 6 | 5 | 26 | 22 | 43 | 72 | 4 | 32 | 30 | 55 | 90 | 103 | 3 | 128 | 305 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | SE 12 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | SE 12 | NNE 16 | NNW 7 | NNE 15 | NE 9 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NNW 9 | NW 9 | N 10 | NNW 12 | NNW 11 |
| kJ | 6 | 6 | 6 | 6 | 7 | 7 | 6 | 6 | 6 | 5 | 26 | 5 | 87 | 22 | 4 | 4 | 4 | 3 | 3 | 8 | 3 | 2 | 13 | 23 |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 6 | E 6 | E 6 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | E 8 | E 8 | — |
| kJ | 76 | 63 | 64 | 84 | 85 | 104 | 119 | 119 | 119 | 168 | 163 | 152 | 170 | 176 | 240 | 285 | 345 | 376 | 375 | 375 | 375 | 367 | 329 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1504 | 1504 | 1504 | 1504 | 1504 | 1504 | 1504 | 1504 | 1504 | 1575 | 1575 | 1575 | 1575 | 1575 | 1575 | 2056 | 2056 | 2057 | 2056 | 249 | 249 | 249 | 249 | 2056 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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