Surf Forecasts:
How big are the waves at Tank Beach today (23 Aug):
- Afternoon surf: Afternoon surf (23 Aug, local time) - 4.5ft (1.4m), 10s period with NNW swell.
- Evening surf: Evening surf (23 Aug, local time) - 4.5ft (1.3m), 10s period with NNW swell.
The current surf forecast for Tank Beach at 8PM is: 1.3m 10s primary swell from a North-northwest direction (forecast issued at 03:00pm August 23). An open ocean swell of 1.1m 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 (23 Aug) | - | - |
| Afternoon (23 Aug) | 4.5ft (1.4m) | 10s |
| Evening (23 Aug) | 4.5ft (1.3m) | 10s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Mon night. Warm (max 29°C on Sun afternoon, min 28°C on Sun afternoon). Winds decreasing (fresh winds from the SSW on Sun night, calm by Tue night). | ||||||||||||||||||||
Sun 23 | Monday 24 | Tuesday 25 | ||||||||||||||||||
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) | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 11 | NNW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 442 | 318 | 345 | 298 | 286 | 359 | 305 | 248 | 248 | 216 | 148 | 145 | 187 | 184 | 181 | 178 | 176 | 173 | 173 | 168 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | off | off | off | off | off | off | off | off | cross-off | off | cross-off | off | off | off | cross-off | cross-off | glassy |
High Tide | 6:50PM0.65m | 2:21AM0.66m | 7:19PM0.66m | 3:21AM0.67m | 7:44PM0.67m | |||||||||||||||
Low Tide | 10:14PM0.62m | 10:55AM0.14m | 11:06PM0.61m | 11:38AM0.12m | ||||||||||||||||
 |  |  | |  |  | | |  | | | | | | | | | | | | |
 | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | 6:36 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:34 | — | — |
mm | — | — | 1 | 1 | — | — | — | — | 1 | 2 | 3 | 4 | 2 | — | — | — | — | — | 1 | — |
Temp °C | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 30 | 30 | 30 | 30 | 29 | 28 | 30 | 31 | 32 | 32 | 33 | 32 | 32 | 30 | 30 | 30 | 30 | 31 | 32 | 33 |
Swell 1 Height (m) Direction Period (s) | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 11 | NNW 11 | SW 9 | SW 9 | SW 9 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 |
| kJ | 442 | 318 | 345 | 298 | 286 | 359 | 305 | 164 | 197 | 202 | 276 | 412 | 533 | 731 | 763 | 663 | 540 | 452 | 351 | 301 |
Swell 2 Height (m) Direction Period (s) | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 |
| kJ | 292 | 168 | 168 | 151 | 151 | 124 | 124 | 248 | 248 | 216 | 148 | 145 | 122 | 184 | 181 | 178 | 176 | 173 | 173 | 168 |
Swell 3 Height (m) Direction Period (s) | ENE 12 | E 13 | SW 8 | SW 8 | E 12 | E 12 | E 12 | SSE 9 | SSE 9 | SSE 9 | SSE 10 | SSE 9 | ENE 13 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 12 | NW 11 |
| kJ | 50 | 81 | 80 | 115 | 72 | 72 | 72 | 113 | 92 | 78 | 60 | 59 | 187 | 122 | 80 | 80 | 63 | 63 | 86 | 121 |
Wind waves Height (m) Direction Period (s) | S 9 | SW 8 | — | — | SW 8 | SW 8 | SW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 487 | 98 | — | — | 129 | 191 | 173 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 2067 | 2102 | 4 | 0 | 2075 | 2056 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2056 | 0 | 0 | 0 | 0 | 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)
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