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Surf Forecasts:
Tank Beach surfForecast / Saipan / Northern Mariana Islands
48hr Weather and Surf, issued 3 am Monday 25 May 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
28.5° 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 6AM is: 1.4m 9s primary swell from a East direction and 0.2m 7s secondary swell from a North-northeast direction, 0.2m 11s secondary swell from a North-northeast direction (forecast issued at 03:00am May 25). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 4.5ft (1.4m) | 9s |
| Afternoon (25 May) | 5ft (1.5m) | 7s |
| Evening (25 May) | 5ft (1.5m) | 8s |
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 7mm), mostly falling on Wed morning. Warm (max 28°C on Mon morning, min 26°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||||||
Monday 25 | Tuesday 26 | Wednesday 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 |    |    |    | |||||||||||||||||||||
E 9 | ESE 9 | E 9 | E 9 | E 7 | E 7 | 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 | E 9 | E 9 | E 9 | ESE 6 | E 7 | |
306 | 227 | 306 | 343 | 176 | 202 | 305 | 313 | 356 | 305 | 313 | 320 | 317 | 317 | 317 | 368 | 387 | 386 | 395 | 395 | 395 | 435 | 312 | 387 | |
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 | cross | cross | cross | |
High Tide | 3:13AM0.74m | 3:05PM0.54m | 3:35AM0.73m | 4:48PM0.56m | 3:55AM0.73m | 6:13PM0.59m | ||||||||||||||||||
Low Tide | 10:05AM0.41m | 8:43PM0.38m | 10:45AM0.33m | 9:32PM0.46m | 11:20AM0.26m | |||||||||||||||||||
 |  |  |  | | |  | | | | |  | | | | | | | | | |  |  | | |
 | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:42 | — | — |
— | 1 | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | 2 | — | — | — | |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 |
30 | 29 | 28 | 28 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 28 | 29 | 29 | 28 | 28 | 28 | 29 | 28 | 27 | 27 | 27 | |
Swell 1 Height (m) Direction Period (s) | NNE 7 | ENE 8 | NNE 7 | NNE 10 | E 9 | ENE 8 | N 11 | N 11 | N 11 | N 11 | N 10 | N 11 | N 11 | NNE 11 | NNE 13 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 11 | NNE 11 | NNE 11 | NNE 11 |
 kJ | 5 | 88 | 5 | 10 | 38 | 24 | 64 | 85 | 114 | 143 | 141 | 143 | 143 | 158 | 189 | 224 | 387 | 322 | 317 | 237 | 285 | 234 | 234 | 130 |
Swell 2 Height (m) Direction Period (s) | NE 11 | NNE 7 | NNE 11 | NE 7 | N 12 | N 12 | NE 10 | SE 14 | NNE 15 | NNE 15 | NNE 14 | NNE 14 | NNE 14 | NNE 14 | N 10 | NNE 10 | SE 13 | SE 13 | ESE 13 | NE 14 | SE 13 | ESE 12 | SSW 8 | NNE 12 |
| kJ | 5 | 5 | 11 | 2 | 12 | 25 | 4 | 8 | 21 | 43 | 75 | 107 | 163 | 123 | 100 | 106 | 6 | 7 | 16 | 92 | 6 | 15 | 7 | 104 |
Swell 3 Height (m) Direction Period (s) | SE 15 | NE 11 | SE 15 | SE 14 | NNE 10 | NNE 10 | SE 14 | N 8 | SE 14 | SE 14 | SE 14 | SE 14 | ESE 13 | SE 13 | SE 13 | SE 13 | NW 9 | NW 8 | NW 8 | SE 13 | SW 7 | SW 9 | SE 12 | SSW 8 |
| kJ | 9 | 5 | 8 | 8 | 10 | 10 | 8 | 1 | 8 | 8 | 7 | 7 | 18 | 7 | 7 | 7 | 3 | 3 | 3 | 7 | 2 | 3 | 6 | 7 |
Wind waves Height (m) Direction Period (s) | E 9 | ESE 9 | E 9 | E 9 | E 7 | E 7 | 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 | E 9 | E 9 | E 9 | ESE 6 | E 7 |
| kJ | 306 | 227 | 306 | 343 | 176 | 202 | 305 | 313 | 356 | 305 | 313 | 320 | 317 | 317 | 317 | 368 | 377 | 386 | 395 | 395 | 395 | 435 | 312 | 387 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1491 | 1491 | 1491 | 1491 | 1491 | 1491 | 1491 | 1491 | 1491 | 252 | 249 | 227 | 227 | 249 | 227 | 227 | 227 | 227 | 227 | 227 | 227 | 2175 | 2175 | 227 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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