Surf Forecasts:
Tank Beach surf forecast from 11 Nov 2026:
- Best quality surf: No days rated 1★ or higher at Tank Beach in the next 16 days. The closest to surfable is Friday 13 Nov, 10AM (local time) – 6ft (1.9m), 12s period, N swell with cross-onshore winds.
- Most powerful swell: Friday 13 Nov, 10AM (local time) - 6ft (1.9m), 12s period, N swell with 1,056 kJ wave energy.
- Next surfable swell (1★+): None forecast at Tank Beach before Friday 27 Nov. Conditions stay below 1★ throughout, with swell peaking at 6ft (1.9m), 12s on Friday 13 Nov.
Best Forecast Surf Conditions for Tank Beach this week:
The most powerful waves expected at Tank Beach in the next 16 days are 1.9m 12s and forecast to arrive on Friday (Nov 13) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 11s period and expected on Friday (Nov 13) at 4AM.
| Wave Type | Time (ChST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10AM (Fri 13th Nov) | 6ft (1.9m) 12s |
Table - best surf conditions forecast for Tank Beach over the next 16 days.
Short Range ForecastLight rain (total 2mm), mostly falling on Fri night. Warm (max 28°C on Wed afternoon, min 27°C on Wed morning). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Sun morning. Warm (max 28°C on Sat afternoon, min 27°C on Sat morning). Mainly fresh winds. | ||||||||||||||||||||
Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | E 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | N 13 | N 12 | N 12 | N 12 | N 11 | NNE 11 | NNE 11 | ENE 10 | E 10 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 7 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 423 | 370 | 399 | 328 | 408 | 513 | 1056 | 933 | 786 | 707 | 634 | 561 | 523 | 434 | 445 | 630 | 675 | 606 | 340 | 489 | 495 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | cross-on | on | on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:20AM0.71m | 6:39PM0.68m | 11:11AM0.71m | 7:05PM0.66m | 12:03PM0.70m | 7:31PM0.65m | 12:55PM0.70m | 7:58PM0.64m | 1:42PM0.70m | 8:25PM0.62m | 2:19PM0.70m | 2:46PM0.71m | 11:04PM0.55m | ||||||||
Low Tide | 2:56PM0.62m | 2:51AM0.08m | 3:46PM0.63m | 3:32AM0.09m | 4:42PM0.63m | 4:14AM0.11m | 5:53PM0.63m | 4:57AM0.14m | 7:20PM0.61m | 5:41AM0.18m | 6:25AM0.22m | 9:21PM0.54m | |||||||||
 |  |  | | | | | |  | | | |  | | | | | | | | | |
 | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — | 6:18 | — | — |
 | — | 5:44 | — | — | 5:44 | — | — | 5:44 | — | — | 5:44 | — | — | 5:44 | — | — | 5:44 | — | — | 5:43 | — |
mm | — | — | — | — | — | — | — | — | 2 | — | — | — | 1 | — | 1 | — | — | 1 | 1 | — | — |
Temp °C | 27 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 30 | 31 | 29 | 28 | 28 | 28 | 28 | 29 | 27 | 26 | 28 | 28 | 28 | 29 | 28 | 28 | 29 | 28 | 28 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | E 10 | ENE 10 | ENE 10 | ENE 10 | NW 9 | N 13 | N 12 | N 12 | N 12 | N 11 | NNE 11 | NNE 11 | NNE 10 | NNE 10 | NNE 10 | NNE 12 | NNE 9 | NE 11 | NE 9 | NE 18 | NE 16 |
| kJ | 423 | 370 | 399 | 328 | 99 | 513 | 1056 | 933 | 786 | 707 | 634 | 561 | 404 | 402 | 305 | 56 | 203 | 31 | 83 | 12 | 67 |
Swell 2 Height (m) Direction Period (s) | N 10 | NW 11 | NW 11 | NW 10 | N 11 | NW 8 | NW 11 | NW 10 | NW 10 | ENE 10 | ESE 9 | SE 9 | SE 9 | SE 9 | SE 9 | NNE 12 | NE 12 | SE 9 | SE 10 | NE 14 | ESE 9 |
| kJ | 136 | 94 | 137 | 163 | 37 | 70 | 202 | 153 | 76 | 160 | 8 | 13 | 13 | 13 | 3 | 55 | 35 | 3 | 14 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | NW 9 | N 11 | N 11 | N 10 | NW 14 | WNW 12 | SE 10 | SE 10 | SE 10 | NW 9 | WNW 9 | — | — | — | — | — | SE 9 | — | NE 19 | NE 14 | E 13 |
| kJ | 29 | 121 | 82 | 32 | 46 | 96 | 15 | 15 | 15 | 13 | 8 | — | — | — | — | — | 3 | — | 14 | 8 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | NE 3 | NE 4 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 6 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 7 | ENE 8 | ENE 8 |
| kJ | — | — | 1 | 9 | 408 | 391 | 391 | 383 | 334 | 115 | 402 | 523 | 523 | 434 | 445 | 630 | 675 | 606 | 340 | 489 | 495 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 227 | 1575 | 2056 | 2056 | 1575 | 1575 | 1575 | 1504 | 1504 | 2056 | 1575 | 2056 | 2056 | 1575 | 1504 | 1575 | 1575 | 1575 | 2056 | 1575 | 1575 |
Best forecast wave conditions in Saipan | |||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Tank Beach Surf forecast
The above surf forecast table for Tank Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Tank Beach can be found by selecting the local surf guide option on the grey menu. Our Tank Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Tank Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Tank Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Tank Beach is 19 km (12 miles) from Saipan. If you plan a holiday in Saipan, look for hotels and other accommodation in Saipan. Saipan has rooms for a wide range of budgets as well as car hire and transport links.
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