Surf Forecasts:
Tank Beach surf forecast from 6 Oct 2026:
- Best quality surf: Thursday 8 Oct, 7PM (local time) - 3.5ft (1.1m), 15s period, ENE swell with cross-offshore winds.
- Most powerful swell: Friday 9 Oct, 4AM (local time) - 6.5ft (2.0m), 17s period, ENE swell with 2,349 kJ wave energy.
- Next surfable swell (1★+): Wednesday 7 Oct, 10AM (local time) - 5ft (1.6m), 11s period with NNW swell.
Best Forecast Surf Conditions for Tank Beach this week:
The surf forecast for Tank Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Oct 07) at 10AM. The primary swell is predicted to be 1.6m and 11s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Tank Beach in the next 16 days are 2.0m 17s and forecast to arrive on Friday (Oct 09) at 4AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 11s period and expected on Tuesday (Oct 13) at 1AM.
| Wave Type | Time (ChST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Wed 7th Oct) | 5ft (1.6m) 11s |
| Best Surf | 7PM (Thu 8th Oct) | 3.5ft (1.1m) 15s |
| Most Powerful | 4AM (Fri 9th Oct) | 6.5ft (2.0m) 17s |
Table - best surf conditions forecast for Tank Beach over the next 16 days.
Short Range ForecastHeavy rain (total 22mm), heaviest during Fri night. Warm (max 28°C on Wed afternoon, min 25°C on Fri night). Winds increasing (calm on Wed night, fresh winds from the S by Fri night). | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Sun afternoon. Warm (max 28°C on Sun night, min 27°C on Sat morning). Winds decreasing (near gales from the WSW on Sun night, fresh winds from the WSW by Mon night). | ||||||||||||||||||||
Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | |||||||||||||||
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) | NNW 11 | NNW 11 | NNW 11 | ENE 16 | ENE 16 | ENE 17 | ENE 16 | ENE 15 | ENE 13 | E 14 | E 13 | ENE 14 | ENE 13 | ENE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NW 10 | NNW 10 | N 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 561 | 503 | 350 | 512 | 751 | 1878 | 1834 | 1409 | 875 | 674 | 434 | 1043 | 700 | 480 | 590 | 613 | 537 | 435 | 1134 | 778 | 441 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | off | glassy | glassy | off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | cross-off | off | off | off | off |
High Tide | 5:43PM0.72m | 4:40AM0.65m | 6:05PM0.71m | 5:54AM0.66m | 6:26PM0.71m | 7:03AM0.67m | 6:45PM0.70m | 8:08AM0.68m | 7:05PM0.69m | 9:10AM0.69m | 7:25PM0.68m | 10:11AM0.69m | 7:44PM0.67m | ||||||||
Low Tide | 10:33AM0.20m | 11:35PM0.46m | 11:23AM0.26m | 00:15AM0.39m | 12:10PM0.33m | 00:54AM0.32m | 12:54PM0.40m | 1:31AM0.25m | 1:38PM0.46m | 2:07AM0.20m | 2:22PM0.52m | 2:44AM0.16m | 3:07PM0.56m | 3:23AM0.14m | |||||||
 |  |  |  |  | |  | | | | |  | | | | | | | | |  | |
 | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — |
 | — | 6:01 | — | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 5:59 | — | — | 5:59 | — | — | 5:58 | — |
mm | 1 | — | 2 | — | 1 | 4 | 1 | 1 | 12 | — | — | — | — | 1 | 2 | 2 | 1 | 2 | 1 | — | — |
Temp °C | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 28 | 28 | 27 |
Feels °C | 31 | 32 | 31 | 31 | 31 | 31 | 29 | 29 | 27 | 26 | 26 | 26 | 25 | 24 | 25 | 26 | 27 | 26 | 28 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | NNW 11 | NNW 11 | NNW 11 | SW 8 | ENE 16 | ENE 17 | ENE 16 | ENE 15 | SW 8 | E 14 | E 13 | ENE 14 | W 10 | W 10 | NE 12 | WNW 11 | WNW 11 | WNW 11 | NW 10 | NNW 10 | N 10 |
| kJ | 561 | 503 | 350 | 128 | 751 | 1878 | 1834 | 1409 | 372 | 674 | 434 | 1043 | 480 | 561 | 590 | 1292 | 1635 | 2583 | 1134 | 778 | 441 |
Swell 2 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 8 | N 10 | NNW 10 | SW 7 | SW 8 | SW 8 | ENE 13 | ENE 12 | ENE 11 | N 11 | ENE 13 | ENE 12 | N 11 | NE 12 | NE 12 | NE 12 | NNE 12 | NNE 12 | NNE 12 |
| kJ | 91 | 65 | 117 | 208 | 167 | 109 | 79 | 171 | 875 | 359 | 207 | 141 | 700 | 480 | 242 | 613 | 537 | 435 | 433 | 206 | 115 |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 10 | ENE 11 | ENE 16 | ENE 10 | NNW 10 | N 10 | N 10 | N 11 | N 11 | N 11 | NNE 12 | N 11 | N 10 | SE 9 | N 11 | N 10 | N 13 | N 12 | ENE 10 | ENE 10 |
| kJ | 84 | 82 | 64 | 512 | 51 | 133 | 125 | 125 | 146 | 108 | 149 | 51 | 279 | 265 | 3 | 146 | 75 | 173 | 11 | 10 | 20 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SW 8 | — | SW 7 | S 4 | — | SW 8 | SW 8 | WSW 8 | SW 8 | SW 8 | WSW 10 | SW 8 | SW 8 | SW 8 | WSW 9 | WSW 8 | WSW 8 |
| kJ | — | — | — | — | 128 | — | 56 | 9 | — | 468 | 532 | 601 | 314 | 393 | 1394 | 819 | 948 | 1109 | 1546 | 1256 | 950 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 2056 | 2056 | 2059 | 2056 | 2056 | 2059 | 1491 | 1491 | 2059 | 2056 | 2056 | 2059 | 2056 |
Best forecast wave conditions in Saipan | |||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Tank Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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