Surf Forecasts:
How big are the waves at Tank Beach today (22 Aug):
- Morning surf: Morning surf (22 Aug, local time) - 8ft (2.4m), 10s period with NE swell.
- Afternoon surf: Afternoon surf (22 Aug, local time) - 8ft (2.4m), 10s period with N swell.
- Evening surf: Evening surf (22 Aug, local time) - 7.5ft (2.3m), 10s period with N swell.
The current surf forecast for Tank Beach at 6PM is: 2.4m 10s primary swell from a North direction (forecast issued at 09:00am August 22). An open ocean swell of 1.0m 9s is not directed at the surf break, a second open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Aug) | 8ft (2.4m) | 10s |
| Afternoon (22 Aug) | 8ft (2.4m) | 10s |
| Evening (22 Aug) | 7.5ft (2.3m) | 10s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 35mm), heaviest during Sun night. Warm (max 29°C on Sat morning, min 28°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||||||||||
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 | 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) | NE 9 | NE 10 | NNE 9 | N 10 | N 10 | N 10 | N 10 | N 10 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 11 | NW 11 | NW 10 | NW 11 | NW 11 | NW 11 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 872 | 1077 | 885 | 1048 | 978 | 1019 | 900 | 832 | 867 | 718 | 656 | 586 | 419 | 292 | 250 | 272 | 382 | 328 | 276 | 286 | 303 | 237 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | off | off | cross-off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off |
High Tide | 6:16PM0.63m | 1:23AM0.66m | 6:50PM0.65m | 2:21AM0.66m | 7:19PM0.66m | |||||||||||||||||
Low Tide | 9:20AM0.18m | 9:05PM0.62m | 10:10AM0.15m | 10:14PM0.62m | 10:55AM0.14m | |||||||||||||||||
 | | |  |  | |  | |  | | | | | |  | |  | | | | | | |
 | 6:03 | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:35 | — | — |
mm | 3 | 2 | 1 | — | 2 | 1 | — | 1 | — | — | — | — | 2 | 2 | 7 | 2 | — | — | — | — | 1 | 5 |
Temp °C | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 26 | 29 | 29 | 30 | 31 | 31 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 31 | 30 | 29 | 28 | 27 | 29 | 29 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | NE 9 | NE 10 | NNE 9 | N 10 | N 10 | N 10 | N 10 | N 10 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 11 | NW 11 | NW 10 | SW 9 | SW 9 | SW 9 |
| kJ | 872 | 1077 | 885 | 1048 | 978 | 1019 | 900 | 832 | 867 | 718 | 656 | 586 | 419 | 292 | 250 | 272 | 382 | 328 | 276 | 281 | 281 | 343 |
Swell 2 Height (m) Direction Period (s) | SE 11 | SE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | ENE 12 | E 13 | SSE 9 | SW 8 | SW 8 | E 12 | SE 9 | E 12 | SSE 9 | NW 11 | NW 11 | NW 11 |
| kJ | 90 | 148 | 164 | 184 | 172 | 184 | 206 | 276 | 238 | 238 | 50 | 81 | 184 | 173 | 156 | 72 | 86 | 71 | 110 | 286 | 303 | 237 |
Swell 3 Height (m) Direction Period (s) | E 15 | E 14 | E 13 | E 13 | WNW 9 | WNW 9 | WNW 9 | ENE 13 | ENE 12 | ENE 12 | WNW 8 | NE 11 | E 12 | SSE 9 | SSE 9 | NE 10 | E 12 | NE 9 | E 11 | SE 10 | SE 9 | E 11 |
| kJ | 4 | 15 | 14 | 14 | 27 | 26 | 25 | 55 | 50 | 50 | 12 | 30 | 78 | 151 | 130 | 23 | 72 | 21 | 64 | 92 | 90 | 62 |
Wind waves Height (m) Direction Period (s) | W 8 | W 8 | W 8 | W 9 | SW 8 | SW 8 | — | — | — | SSW 4 | S 9 | S 9 | SW 8 | — | — | SSW 8 | SW 8 | SSW 9 | SW 9 | SW 9 | S 8 | SSE 9 |
| kJ | 169 | 161 | 161 | 53 | 15 | 15 | — | — | — | 8 | 298 | 332 | 165 | — | — | 300 | 250 | 387 | 281 | 202 | 66 | 88 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 2213 | 2214 | 2102 | 242 | 0 | 0 | 2220 | 2220 | 0 | 2056 | 2102 | 0 | 0 | 0 | 2056 | 2095 | 1491 | 2056 | 2102 | 0 | 0 | 0 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||
Header Global | ||||||||||||||||||||||
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