
Surf Forecasts:
Tank Beach surf forecast from 30 Jun 2026:
- Best quality surf: Sunday 5 Jul, 7PM (local time) - 21ft (6.5m), 15s period, ENE swell with cross-shore winds.
- Most powerful swell: Sunday 5 Jul, 10PM (local time) - 23ft (7.0m), 14s period, ENE swell with 18,773 kJ wave energy.
- Next surfable swell (1★+): Sunday 5 Jul, 7PM (local time) - 21ft (6.5m), 15s period with ENE 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 Sunday (Jul 05) at 7PM. The primary swell is predicted to be 6.5m and 15s period with a secondary swell of 5.0m and 9s. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Tank Beach in the next 16 days are 7.0m 14s and forecast to arrive on Sunday (Jul 05) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 8.0m 11s period and expected on Monday (Jul 06) at 7AM.
| Wave Type | Time (ChST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Sun 5th Jul) | 21ft (6.5m) 15s |
| Best Surf | 7PM (Sun 5th Jul) | 21ft (6.5m) 15s |
| Most Powerful | 10PM (Sun 5th Jul) | 23ft (7.0m) 14s |
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 6mm), mostly falling on Tue night. Warm (max 29°C on Tue afternoon, min 28°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 74mm), heaviest during Sun night. Warm (max 29°C on Fri afternoon, min 27°C on Sun afternoon). Winds increasing (light winds from the NE on Fri afternoon, severe gales from the SW by Mon morning). | ||||||||||||||||||||
Tue 30 | Wednesday 1 | Thursday 2 | Friday 3 | Saturday 4 | Sunday 5 | Monday 6 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map | |||||||||||||||||||||
Wave Height (m) Direction Period (s) | ENE 8 | ENE 7 | ENE 7 | ENE 6 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 12 | E 14 | E 15 | N 12 | NE 10 | ENE 9 | ENE 8 | E 8 |
Wave Graph | |||||||||||||||||||||
206 | 147 | 121 | 85 | 167 | 176 | 180 | 151 | 112 | 119 | 165 | 288 | 544 | 1840 | 4392 | 11210 | 10003 | 167 | 108 | 61 | 46 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-off | off | off | cross-off | cross-off |
High Tide | 10:16PM0.70m | 6:02AM0.70m | 10:51PM0.71m | 6:42AM0.69m | 11:22PM0.71m | 7:24AM0.67m | 11:48PM0.72m | 8:12AM0.65m | 00:07AM0.72m | 9:12AM0.61m | 00:23AM0.72m | 10:30AM0.56m | 00:39AM0.73m | 12:12PM0.53m | |||||||
Low Tide | 2:11AM0.64m | 2:27PM0.06m | 2:59AM0.64m | 3:04PM0.08m | 3:53AM0.63m | 3:39PM0.11m | 4:51AM0.60m | 4:12PM0.16m | 5:50AM0.56m | 4:46PM0.22m | 6:45AM0.50m | 5:21PM0.29m | 7:34AM0.43m | ||||||||
— | — | 5:48 | — | — | 5:50 | — | — | 5:50 | — | — | 5:50 | — | — | 5:50 | — | — | 5:50 | — | — | 5:50 | |
6:51 | — | — | 6:51 | — | — | 6:51 | — | — | 6:51 | — | — | 6:51 | — | — | 6:51 | — | — | 6:51 | — | 6:51 | |
mm | — | 3 | — | — | 2 | 1 | — | — | — | — | 1 | — | 1 | 2 | 3 | 14 | 35 | 18 | 15 | 7 | 2 |
Temp °C | 29 | 28 | 28 | 29 | 28 | 28 | 29 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 27 | 27 | 27 | 28 | 28 | 28 |
Feels °C | 31 | 29 | 29 | 30 | 29 | 30 | 32 | 30 | 30 | 31 | 30 | 31 | 30 | 31 | 28 | 26 | 23 | 18 | 21 | 22 | 25 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | E 9 | E 9 | E 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | N 11 | N 10 | ENE 9 | ENE 12 | E 14 | E 15 | N 12 | NE 10 | W 11 | WSW 11 | W 12 |
206 | 39 | 57 | 57 | 167 | 176 | 180 | 151 | 112 | 119 | 58 | 75 | 544 | 1840 | 4392 | 11210 | 10003 | 167 | 1327 | 2052 | 1955 | |
Swell 2 Height (m) Direction Period (s) | WNW 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | NNE 12 | NNE 11 | SE 10 | SE 9 | N 10 | SSE 9 | SE 10 | — | ENE 14 | NE 10 | ENE 9 | ENE 8 | E 8 |
13 | 11 | 11 | 11 | 11 | 12 | 12 | 19 | 28 | 40 | 26 | 23 | 52 | 17 | 23 | — | 7997 | 142 | 108 | 61 | 46 | |
Swell 3 Height (m) Direction Period (s) | SE 9 | WNW 8 | WNW 8 | WNW 7 | SE 12 | SW 6 | SW 7 | SW 6 | SE 8 | SE 8 | WSW 7 | WSW 7 | SE 9 | SW 8 | — | — | NE 14 | — | — | N 11 | N 10 |
12 | 6 | 6 | 5 | 6 | 2 | 2 | 2 | 11 | 11 | 5 | 4 | 22 | 2 | — | — | 743 | — | — | 9 | 8 | |
Wind waves Height (m) Direction Period (s) | — | ENE 7 | ENE 7 | ENE 6 | — | — | — | — | — | — | ENE 8 | ENE 9 | N 8 | N 10 | N 6 | N 8 | W 9 | SSW 11 | SSW 10 | SSE 9 | SSE 8 |
— | 147 | 121 | 85 | — | — | — | — | — | — | 165 | 288 | 5 | 49 | 221 | 1577 | 2705 | 10434 | 4276 | 890 | 523 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1491 | 1504 | 2056 | 1491 | 1491 | 227 | 227 | 2213 | 1491 | 237 | 1491 | 1491 | 2176 | 1491 | 1491 | 237 | 2059 | 2056 | 2056 | 2056 | 2056 |
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.










