Surf Forecasts:
How big are the waves at Tank Beach today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 2ft (0.6m), 10s period with SE swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 2ft (0.6m), 11s period with SE swell.
- Evening surf: Evening surf (13 Aug, local time) - 2ft (0.6m), 11s period with SE swell.
The current surf forecast for Tank Beach at 3AM is: 0.4m 10s primary swell from a Southeast direction (forecast issued at 09:00pm August 12). An open ocean swell of 3.0m 12s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 2ft (0.6m) | 10s |
| Afternoon (13 Aug) | 2ft (0.6m) | 11s |
| Evening (13 Aug) | 2ft (0.6m) | 11s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Sat afternoon. Warm (max 29°C on Thu afternoon, min 28°C on Wed night). Mainly fresh winds. | ||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | ||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | NE 12 |
Wave Graph  | ||||||||||||||||||
 kJ | 35 | 35 | 35 | 36 | 68 | 69 | 71 | 72 | 71 | 72 | 72 | 72 | 72 | 72 | 56 | 55 | 54 | 49 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | off | cross-off | off | off |
High Tide | 8:46PM0.74m | 6:09AM0.76m | 9:12PM0.73m | 7:14AM0.73m | 9:37PM0.73m | |||||||||||||
Low Tide | 1:28AM0.60m | 1:49PM0.05m | 2:21AM0.54m | 2:32PM0.13m | ||||||||||||||
 | | | |  | |  | |  | | | | | | | |  | | |
 | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:40 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 |
Feels °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 30 | 29 | 30 | 29 | 29 | 27 | 29 | 29 | 30 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | W 10 | WNW 11 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | W 10 | W 10 | SE 11 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 10 |
| kJ | 1308 | 1812 | 2483 | 2483 | 2349 | 1916 | 1659 | 1456 | 1250 | 1108 | 980 | 947 | 72 | 1641 | 1744 | 1426 | 1374 | 1175 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | NE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 |
| kJ | 35 | 35 | 35 | 36 | 68 | 69 | 71 | 72 | 71 | 72 | 72 | 72 | 31 | 72 | 56 | 55 | 54 | 38 |
Swell 3 Height (m) Direction Period (s) | NNE 9 | NE 9 | ENE 11 | NNE 8 | ENE 9 | NE 9 | NE 9 | ENE 9 | ENE 11 | E 11 | NE 12 | NE 11 | N 10 | NE 11 | NE 10 | N 11 | NE 12 | NE 12 |
| kJ | 16 | 28 | 23 | 7 | 9 | 14 | 13 | 8 | 12 | 9 | 23 | 20 | 8 | 43 | 37 | 20 | 49 | 49 |
Wind waves Height (m) Direction Period (s) | SW 4 | WSW 8 | — | — | SW 4 | — | — | — | — | — | — | W 10 | W 10 | W 10 | WSW 4 | — | — | — |
| kJ | 24 | 6 | — | — | 21 | — | — | — | — | — | — | 687 | 961 | 936 | 24 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 242 | 2056 | 242 | 242 | 2056 | 2056 | 2060 | 2063 | 0 | 0 | 242 | 242 | 242 | 242 | 242 | 242 | 0 | 0 |
Best forecast wave conditions in Saipan | ||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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