Surf Forecasts:
How big are the waves at Tank Beach today (07 Aug):
- Afternoon surf: Afternoon surf (07 Aug, local time) - 4.5ft (1.4m), 12s period with NW swell.
- Evening surf: Evening surf (07 Aug, local time) - 3.5ft (1.1m), 12s period with NW swell.
The current surf forecast for Tank Beach at 7PM is: 1.1m 12s primary swell from a Northwest direction and 1.0m 10s secondary swell from a East-northeast direction (forecast issued at 03:00pm August 07). An open ocean swell of 2.5m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Aug) | - | - |
| Afternoon (07 Aug) | 4.5ft (1.4m) | 12s |
| Evening (07 Aug) | 3.5ft (1.1m) | 12s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 27mm), heaviest during Fri afternoon. Warm (max 29°C on Fri afternoon, min 27°C on Sun night). Mainly strong winds. | ||||||||||||||||||||
Fri 7 | Saturday 8 | Sunday 9 | ||||||||||||||||||
1 PM | 4 PM | 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) | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | ENE 10 | NW 11 | ENE 14 | ENE 14 | ENE 13 | ENE 12 | ENE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NE 11 | NE 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 706 | 457 | 349 | 245 | 326 | 278 | 206 | 203 | 250 | 493 | 545 | 513 | 488 | 428 | 336 | 325 | 278 | 202 | 155 | 126 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:00PM0.63m | 1:01AM0.74m | 6:14PM0.67m | 1:53AM0.75m | 7:03PM0.71m | |||||||||||||||
Low Tide | 7:35PM0.61m | 9:29AM0.09m | 9:06PM0.65m | 10:26AM0.03m | ||||||||||||||||
 | |  | | | | | | | |  |  | | |  | | | | | | |
 | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — |
 | — | 6:44 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:44 | — | — |
mm | 2 | 1 | 3 | 2 | 1 | 1 | 2 | 3 | 2 | 1 | — | — | — | — | — | — | 1 | 2 | 2 | 1 |
Temp °C | 29 | 29 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 29 | 28 | 26 | 26 | 28 | 28 | 26 | 28 | 26 | 26 | 28 | 29 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | ENE 14 | ENE 13 | ENE 12 | ENE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NE 11 | NE 11 |
| kJ | 706 | 457 | 349 | 245 | 326 | 278 | 198 | 198 | 237 | 493 | 545 | 513 | 488 | 428 | 336 | 325 | 278 | 202 | 155 | 126 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | SE 10 | SE 9 | SE 9 |
| kJ | 194 | 194 | 194 | 194 | 198 | 202 | 206 | 166 | 166 | 314 | 273 | 264 | 209 | 59 | 59 | 31 | 31 | 14 | 14 | 14 |
Swell 3 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SE 9 | SE 9 | ENE 15 | ENE 14 | ENE 14 | NE 14 | ENE 14 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | NW 11 | SE 9 | SE 13 |
| kJ | 32 | 32 | 21 | 21 | 84 | 116 | 175 | 203 | 250 | 25 | 25 | 25 | 24 | 15 | 24 | 15 | 14 | 19 | 22 | 7 |
Wind waves Height (m) Direction Period (s) | W 9 | W 10 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 10 | W 10 | W 10 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 |
| kJ | 734 | 1109 | 1171 | 1347 | 1292 | 1275 | 1275 | 1275 | 1275 | 1229 | 1178 | 1198 | 1375 | 1786 | 1983 | 1985 | 1880 | 1969 | 2137 | 2137 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 2059 | 2059 | 2059 | 242 | 2056 | 2056 | 2056 | 2056 | 2175 | 2061 | 2061 | 2056 | 2056 | 2056 | 2056 | 2056 | 2059 | 2059 | 2059 | 2056 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||
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