Surf Forecasts:
How big are the waves at Tank Beach today (11 Aug):
- Morning surf: Morning surf (11 Aug, local time) - 1.5ft (0.5m), 10s period with NE swell.
- Afternoon surf: Afternoon surf (11 Aug, local time) - 1.5ft (0.5m), 10s period with NE swell.
- Evening surf: Evening surf (11 Aug, local time) - 1.5ft (0.5m), 10s period with NNE swell.
The current surf forecast for Tank Beach at 1PM is: 0.4m 10s primary swell from a North-northeast direction (forecast issued at 09:00am August 11). An open ocean swell of 1.3m 12s is not directed at the surf break, a second open ocean swell of 2.0m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | 1.5ft (0.5m) | 10s |
| Afternoon (11 Aug) | 1.5ft (0.5m) | 10s |
| Evening (11 Aug) | 1.5ft (0.5m) | 10s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Tue morning. Warm (max 28°C on Tue morning, min 28°C on Tue morning). Mainly fresh winds. | ||||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | ||||||||||||||||||||
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) | NW 12 | NE 10 | NNE 10 | NE 10 | NNE 9 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | N 9 | SE 10 | SE 10 | NE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 822 | 61 | 36 | 44 | 50 | 59 | 56 | 55 | 52 | 44 | 36 | 35 | 40 | 35 | 36 | 37 | 53 | 55 | 72 | 72 | 72 | 72 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 8:16PM0.74m | 5:04AM0.77m | 8:46PM0.74m | 6:09AM0.76m | 9:12PM0.73m | |||||||||||||||||
Low Tide | 12:13PM-0.02m | 00:34AM0.64m | 1:03PM0.00m | 1:28AM0.60m | 1:49PM0.05m | |||||||||||||||||
 |  |  | |  | |  | | |  | | |  | | | | | | | | | | |
 | 6:01 | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:40 | — | — |
mm | — | — | 1 | 1 | — | — | 1 | 1 | 1 | — | 1 | — | — | 1 | 1 | 1 | — | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 28 | 27 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | NW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | NNE 10 | NNE 10 | WNW 11 | NNE 9 | SE 10 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 |
| kJ | 822 | 722 | 500 | 330 | 341 | 336 | 317 | 55 | 52 | 176 | 28 | 35 | 2329 | 2563 | 2718 | 2476 | 2440 | 2252 | 2112 | 2086 | 1689 | 1275 |
Swell 2 Height (m) Direction Period (s) | NE 10 | NE 10 | NNE 10 | NE 10 | NNE 9 | NNE 10 | NNE 10 | SE 10 | SE 10 | N 9 | SE 10 | NNE 9 | NE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 |
| kJ | 48 | 61 | 36 | 44 | 50 | 59 | 56 | 38 | 37 | 44 | 36 | 27 | 40 | 35 | 36 | 37 | 53 | 55 | 72 | 72 | 72 | 72 |
Swell 3 Height (m) Direction Period (s) | SE 11 | N 7 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | ENE 12 | E 10 | SE 10 | NE 9 | NE 9 | SE 10 | ENE 9 | ENE 11 | ENE 9 | ENE 10 | ENE 9 | NE 9 | NE 9 | NE 9 | NE 12 |
| kJ | 19 | 24 | 31 | 30 | 30 | 40 | 40 | 14 | 8 | 36 | 13 | 3 | 35 | 17 | 12 | 8 | 9 | 8 | 13 | 12 | 3 | 23 |
Wind waves Height (m) Direction Period (s) | W 10 | WSW 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 11 | W 11 | W 9 | W 9 | W 10 | W 11 | — | — | — | SW 5 | — | — | — | — | — |
| kJ | 550 | 540 | 776 | 702 | 637 | 575 | 506 | 1128 | 1212 | 868 | 1236 | 1697 | 1514 | — | — | — | 53 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 242 | 2056 | 2059 | 2060 | 2060 | 2056 | 2056 | 2056 | 2056 | 2056 | 2075 | 242 | 2063 | 1491 | 2056 | 1491 | 2056 | 2056 | 2060 | 2063 | 2063 | 2063 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||
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