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Surf Forecasts:
Tank Beach surfForecast / Saipan / Northern Mariana Islands
48hr Weather and Surf, issued 3 pm Thursday 23 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
27.7° 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 8PM is: 1.2m 11s primary swell from a North-northeast direction and 0.5m 16s secondary swell from a North-northeast direction, 1.1m 6s secondary swell from a East direction (forecast issued at 03:00pm April 23). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | - | - |
| 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 27°C on Thu afternoon, min 26°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | 10 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
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 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | ENE 7 | |
359 | 281 | 403 | 226 | 284 | 353 | 457 | 519 | 498 | 485 | 478 | 472 | 465 | 465 | 452 | 362 | 342 | 307 | 246 | 242 | 242 | 238 | 186 | 169 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | on | on | on | on | on | |
High Tide | 3:10AM0.74m | 11:17AM0.64m | 3:51AM0.73m | 12:54PM0.61m | 4:22AM0.73m | |||||||||||||||||||
Low Tide | 6:40PM0.07m | 8:31AM0.62m | 7:41PM0.13m | 9:37AM0.57m | 8:40PM0.19m | |||||||||||||||||||
 | |  | | | |  | |  | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — |
 | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | 6:32 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 |
27 | 27 | 28 | 26 | 25 | 25 | 25 | 25 | 27 | 28 | 29 | 27 | 26 | 26 | 26 | 25 | 26 | 26 | 27 | 25 | 24 | 24 | 24 | 24 | |
Swell 1 Height (m) Direction Period (s) | NNE 11 | NNE 11 | NNE 11 | NNE 10 | NNE 10 | NE 11 | NE 10 | NNE 15 | NNE 15 | NNE 15 | NNE 14 | NNE 14 | NNE 14 | NNE 14 | NNE 14 | NNE 14 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 12 |
 kJ | 359 | 281 | 403 | 200 | 168 | 268 | 204 | 519 | 498 | 485 | 478 | 472 | 465 | 465 | 452 | 362 | 342 | 307 | 246 | 242 | 242 | 238 | 186 | 169 |
Swell 2 Height (m) Direction Period (s) | NE 13 | NE 12 | NNE 16 | NE 11 | NNE 16 | NNE 16 | NNE 16 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 8 | NE 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NE 10 |
| kJ | 103 | 124 | 149 | 123 | 284 | 353 | 457 | 212 | 192 | 200 | 157 | 150 | 135 | 135 | 97 | 83 | 73 | 43 | 44 | 6 | 6 | 6 | 5 | 23 |
Swell 3 Height (m) Direction Period (s) | 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 | SE 12 | NW 8 | NNW 8 | NNW 8 | SE 12 | SE 12 | SE 12 | NNE 16 | NNE 16 |
| kJ | 59 | 130 | 5 | 226 | 123 | 5 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 3 | 7 | 6 | 6 | 6 | 5 | 26 | 26 |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 6 | E 6 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 72 | 78 | 83 | 88 | 102 | 102 | 124 | 106 | 109 | 91 | 94 | 64 | 64 | 70 | 85 | 107 | 116 | 123 | 126 | 176 | 176 | 153 | 171 | 166 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1504 | 1575 | 2059 | 1575 | 1504 | 1504 | 1504 | 1504 | 1504 | 1504 | 1504 | 1504 | 1575 | 1575 | 1504 | 1504 | 1504 | 1504 | 1504 | 1504 | 1504 | 1504 | 1504 | 1575 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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