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Surf Forecasts:
Tank Beach surfForecast / Saipan / Northern Mariana Islands
48hr Weather and Surf, issued 9 pm Monday 27 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 3AM is: 1.9m 8s primary swell from a East direction and 1.0m 14s secondary swell from a North-northeast direction, 0.4m 10s secondary swell from a North-northwest direction (forecast issued at 09:00pm April 27). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 6.5ft (2.0m) | 8s |
| Afternoon (28 Apr) | 6.5ft (2.0m) | 8s |
| Evening (28 Apr) | 6.5ft (2.0m) | 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 4mm), mostly falling on Thu afternoon. Warm (max 28°C on Tue morning, min 27°C on Mon night). Mainly fresh winds. | ||||||||||||||||||||||||
Mon 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
ENE 8 | E 8 | E 8 | E 8 | 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 | E 9 | E 9 | E 9 | E 9 | |
316 | 355 | 424 | 432 | 503 | 464 | 527 | 527 | 542 | 542 | 559 | 616 | 675 | 630 | 645 | 641 | 645 | 645 | 660 | 676 | 691 | 691 | 691 | 627 | |
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-on | cross-on | cross-on | on | |
High Tide | 4:12PM0.59m | 5:08AM0.72m | 5:34PM0.60m | 5:26AM0.71m | 6:45PM0.63m | 5:44AM0.70m | ||||||||||||||||||
Low Tide | 10:25PM0.33m | 11:47AM0.36m | 11:13PM0.40m | 12:20PM0.29m | 11:59PM0.46m | 12:52PM0.23m | ||||||||||||||||||
 |  | | |  | | | | | | | | |  | |  | | | | | | | | | |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:34 |
1 | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 27 | 28 | 28 |
28 | 27 | 26 | 26 | 26 | 28 | 28 | 28 | 26 | 26 | 25 | 25 | 25 | 28 | 27 | 28 | 26 | 26 | 26 | 25 | 28 | 26 | 28 | 28 | |
Swell 1 Height (m) Direction Period (s) | NNE 13 | NNE 15 | 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 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 11 | NNE 11 |
 kJ | 125 | 305 | 366 | 389 | 378 | 395 | 384 | 307 | 303 | 303 | 242 | 242 | 235 | 220 | 167 | 164 | 161 | 161 | 125 | 123 | 121 | 119 | 109 | 105 |
Swell 2 Height (m) Direction Period (s) | NNE 15 | NNW 11 | NNW 10 | NNW 10 | N 10 | S 13 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | W 7 | NW 7 | — | — | — | — | — | — | — | — |
| kJ | 128 | 23 | 35 | 33 | 49 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | NNW 11 | NNW 9 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | — | — | S 12 | S 12 | S 12 | S 12 | S 12 | — | — | — | — | — | — | — | — | — |
| kJ | 13 | 8 | 3 | 3 | 3 | 3 | 3 | 3 | — | — | 3 | 3 | 3 | 3 | 3 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 8 | E 8 | E 8 | E 8 | 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 | E 9 | E 9 | E 9 | E 9 |
| kJ | 316 | 355 | 424 | 432 | 503 | 464 | 527 | 527 | 542 | 542 | 559 | 616 | 675 | 630 | 645 | 641 | 645 | 645 | 660 | 676 | 691 | 691 | 691 | 627 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2059 | 249 | 249 | 2056 | 2056 | 2056 | 2059 | 2059 | 2059 | 2056 | 2056 | 1504 | 1504 | 1575 | 1504 | 1504 | 1575 | 1504 | 1504 | 1575 | 2056 | 2066 | 1504 | 1504 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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