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Surf Forecasts:
Tank Beach surfForecast / Saipan / Northern Mariana Islands
16 Day 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)Best Forecast Surf Conditions for Tank Beach this week:
The most powerful waves expected at Tank Beach in the next 16 days are 6.0m 11s and forecast to arrive on Sunday (May 24) at 7PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 13s period and expected on Sunday (May 24) at 7PM.
| Wave Type | Time (ChST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7PM (Sun 24th May) | 20ft (6.0m) 11s |
Table - best surf conditions forecast for Tank Beach over the next 16 days.
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. | Days 4-6 Weather SummaryHeavy rain (total 188mm), heaviest during Sun night. Warm (max 28°C on Fri morning, min 26°C on Sun afternoon). Winds increasing (moderate winds from the ENE on Fri morning, extremely windy from the NNE by Sun night). | ||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
E 9 | E 9 | E 9 | E 9 | ENE 9 | E 9 | E 9 | E 9 | ENE 9 | E 8 | E 8 | E 9 | E 9 | E 8 | E 9 | E 9 | E 9 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | |
818 | 874 | 783 | 777 | 773 | 694 | 694 | 646 | 572 | 512 | 524 | 562 | 554 | 601 | 646 | 2478 | 3228 | 5875 | 3766 | 2403 | 1312 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | off | off | off | |
High Tide | 11:54PM0.79m | 7:59AM0.74m | 00:50AM0.78m | 8:53AM0.71m | 1:38AM0.77m | 10:00AM0.66m | 2:17AM0.76m | 11:25AM0.60m | 2:47AM0.75m | 1:12PM0.56m | 3:13AM0.74m | 3:05PM0.54m | 3:35AM0.73m | ||||||||
Low Tide | 3:30PM-0.06m | 4:32AM0.68m | 4:24PM-0.03m | 5:46AM0.67m | 5:18PM0.03m | 7:04AM0.63m | 6:12PM0.10m | 8:17AM0.56m | 7:04PM0.19m | 9:17AM0.49m | 7:54PM0.29m | 10:05AM0.41m | 8:43PM0.38m | ||||||||
 |  |  | | |  | | | | | |  | | |  | | | | | | | |
 | 5:47 | — | — | 5:47 | — | — | 5:46 | — | — | 5:46 | — | — | 5:46 | — | — | 5:46 | — | — | 5:46 | — | — |
 | — | 6:38 | — | — | 6:38 | — | — | 6:39 | — | — | 6:39 | — | — | 6:39 | — | — | 6:40 | — | — | 6:40 | — |
1 | — | 1 | 1 | — | — | — | 1 | 4 | — | 1 | — | 3 | 1 | 3 | 1 | 5 | 174 | 35 | 21 | 8 | |
Temp °C | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 |
27 | 28 | 28 | 27 | 28 | 26 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 26 | 23 | 21 | 20 | 22 | 23 | |
Swell 1 Height (m) Direction Period (s) | NNE 9 | NNE 9 | NNE 9 | NNE 10 | NNE 10 | NNE 9 | NNE 9 | NNE 9 | NNE 11 | NE 10 | NE 10 | NNE 10 | NE 9 | NE 9 | SE 10 | — | SSE 12 | — | SSW 9 | SW 10 | WSW 10 |
 kJ | 8 | 8 | 8 | 10 | 10 | 17 | 16 | 8 | 12 | 25 | 25 | 18 | 21 | 19 | 569 | — | 2047 | — | 148 | 362 | 554 |
Swell 2 Height (m) Direction Period (s) | — | — | NNE 11 | NE 8 | — | NE 13 | NNE 12 | NNE 12 | NNE 8 | — | — | — | — | — | NNE 9 | — | — | — | N 13 | NNW 12 | N 10 |
| kJ | — | — | 12 | 3 | — | 7 | 14 | 13 | 7 | — | — | — | — | — | 8 | — | — | — | 3 | 13 | 19 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SE 12 | — | — | — | — | — | — | — | — | — | — | NNE 10 | SE 14 |
| kJ | — | — | — | — | — | — | — | — | 6 | — | — | — | — | — | — | — | — | — | — | 11 | 8 |
Wind waves Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | ENE 9 | E 9 | E 9 | E 9 | ENE 9 | E 8 | E 8 | E 9 | E 9 | E 8 | E 9 | E 9 | E 9 | ESE 10 | ESE 10 | ESE 9 | ESE 9 |
| kJ | 818 | 874 | 783 | 777 | 773 | 694 | 694 | 646 | 572 | 512 | 524 | 562 | 554 | 601 | 646 | 2478 | 3228 | 5875 | 3766 | 2403 | 1312 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1491 | 2056 | 2056 | 2056 | 2060 | 2056 | 2056 | 1491 | 2056 | 2056 | 1491 | 1491 | 2056 | 1491 | 1491 | 1491 | 1491 | 1491 | 1491 | 1491 | 1491 |
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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