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Surf Forecasts:
Tank Beach surfForecast / Saipan / Northern Mariana Islands
48hr Weather and Surf, issued 9 am Tuesday 19 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
28.6° 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 12PM is: 2.3m 9s primary swell from a East direction and 0.2m 9s secondary swell from a North-northeast direction (forecast issued at 09:00am May 19). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 7ft (2.2m) | 9s |
| Afternoon (19 May) | 7.5ft (2.3m) | 9s |
| Evening (19 May) | 7ft (2.2m) | 9s |
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 8mm), mostly falling on Thu night. Warm (max 28°C on Tue morning, min 27°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 | 1 AM | 4 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | E 9 | |
818 | 818 | 874 | 874 | 874 | 800 | 783 | 783 | 783 | 777 | 759 | 773 | 708 | 694 | 694 | 694 | 683 | 694 | 710 | 646 | 646 | 632 | 572 | 549 | |
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 | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | |
High Tide | 7:11AM0.76m | 11:54PM0.79m | 7:59AM0.74m | 00:50AM0.78m | 8:53AM0.71m | 1:38AM0.77m | ||||||||||||||||||
Low Tide | 3:30PM-0.06m | 4:32AM0.68m | 4:24PM-0.03m | 5:46AM0.67m | 5:18PM0.03m | |||||||||||||||||||
 | |  | |  | | | | | |  | | | | |  | | | | | |  | | | |
 | 5:47 | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 |
 | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:39 | — | — | — | 6:39 |
2 | 1 | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 2 | — | |
Temp °C | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 |
26 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 26 | 25 | 25 | 25 | 28 | 27 | 28 | 28 | 28 | 29 | 27 | |
Swell 1 Height (m) Direction Period (s) | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 11 | NNE 11 | NE 11 |
 kJ | 8 | 8 | 8 | 8 | 16 | 16 | 8 | 7 | 7 | 10 | 10 | 10 | 10 | 18 | 17 | 17 | 16 | 16 | 8 | 8 | 7 | 12 | 12 | 29 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | N 11 | NNE 11 | NNE 11 | NNE 11 | NE 8 | — | — | N 13 | NE 13 | NE 13 | NE 12 | NE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 11 | NNE 9 | NNE 8 | SE 12 |
| kJ | — | — | — | — | — | 2 | 12 | 11 | 11 | 3 | — | — | 3 | 7 | 7 | 6 | 6 | 14 | 14 | 13 | 12 | 7 | 7 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 12 | SE 12 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 6 | — |
Wind waves Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | E 9 |
| kJ | 818 | 818 | 874 | 874 | 874 | 800 | 783 | 783 | 783 | 777 | 759 | 773 | 708 | 694 | 694 | 694 | 683 | 694 | 710 | 646 | 646 | 632 | 572 | 549 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1491 | 1491 | 2056 | 2056 | 2056 | 1504 | 2056 | 1491 | 2058 | 2056 | 2056 | 2060 | 1491 | 2056 | 2056 | 1491 | 1491 | 2056 | 2056 | 1491 | 2056 | 2056 | 2056 | 2056 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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