Surf Forecasts:
How big are the waves at Tank Beach today (10 Aug):
- Morning surf: Morning surf (10 Aug, local time) - 2ft (0.6m), 11s period with NE swell.
- Afternoon surf: Afternoon surf (10 Aug, local time) - 2ft (0.6m), 11s period with NE swell.
- Evening surf: Evening surf (10 Aug, local time) - 2ft (0.6m), 10s period with NE swell.
The current surf forecast for Tank Beach at 12AM is: 0.8m 11s primary swell from a Northeast direction and 0.6m 13s secondary swell from a Northwest direction (forecast issued at 09:00pm August 09). An open ocean swell of 2.5m 10s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Aug) | 2ft (0.6m) | 11s |
| Afternoon (10 Aug) | 2ft (0.6m) | 11s |
| Evening (10 Aug) | 2ft (0.6m) | 10s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 39mm), heaviest during Tue night. Warm (max 29°C on Mon afternoon, min 27°C on Mon night). Mainly strong winds. | ||||||||||||||||||
Sun 9 | Monday 10 | Tuesday 11 | ||||||||||||||||
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 11 | NE 11 | NE 11 | NE 11 | NE 11 | NW 12 | NE 11 | NE 11 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 11 | NNE 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 185 | 147 | 145 | 142 | 116 | 287 | 92 | 71 | 67 | 65 | 64 | 48 | 49 | 47 | 46 | 45 | 57 | 64 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 7:03PM0.71m | 2:54AM0.76m | 7:42PM0.73m | 3:59AM0.77m | 8:16PM0.74m | |||||||||||||
Low Tide | 10:28PM0.67m | 11:21AM-0.00m | 11:35PM0.66m | 12:13PM-0.02m | ||||||||||||||
 |  | | |  | | | | | | | | |  | | | | | |
 | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — |
mm | — | 1 | 1 | 3 | 1 | 2 | 2 | 1 | 1 | 3 | 2 | 2 | 4 | — | 1 | 4 | 3 | 5 |
Temp °C | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 29 | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 29 | 26 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | NE 11 | NE 11 | NE 11 | NE 11 | WNW 12 | NW 12 | WNW 12 | WNW 12 | NE 10 | NE 10 | NE 10 | WNW 10 | NE 10 | NE 10 | WNW 11 | NE 10 | NE 11 | WNW 12 |
| kJ | 185 | 147 | 145 | 142 | 247 | 287 | 464 | 456 | 67 | 65 | 64 | 1654 | 49 | 47 | 780 | 45 | 57 | 317 |
Swell 2 Height (m) Direction Period (s) | NW 10 | NW 10 | NW 13 | WNW 13 | NE 11 | NE 11 | NE 11 | NE 11 | SSE 9 | SE 10 | SE 12 | NE 10 | SE 11 | NNW 7 | NE 10 | SE 11 | SE 11 | NNE 11 |
| kJ | 53 | 54 | 136 | 114 | 116 | 96 | 92 | 71 | 8 | 15 | 21 | 48 | 20 | 18 | 46 | 30 | 30 | 64 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | NW 10 | SE 9 | SE 9 | SE 9 | SSE 9 | SE 12 | SE 12 | E 11 | SE 11 | E 11 | SE 11 | SE 11 | E 10 | E 10 | SE 11 |
| kJ | 14 | 13 | 13 | 54 | 13 | 13 | 13 | 8 | 5 | 6 | 2 | 20 | 9 | 19 | 19 | 8 | 8 | 29 |
Wind waves Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 10 | W 10 | WNW 10 | W 10 | — | WNW 11 | W 11 | WSW 10 | W 11 | W 11 | W 8 |
| kJ | 1252 | 1252 | 1233 | 1281 | 1229 | 1375 | 1270 | 1419 | 1909 | 1824 | 1767 | — | 1689 | 1612 | 667 | 1577 | 1701 | 941 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 242 | 2059 | 2056 | 2056 | 2056 | 2056 | 2059 | 2059 | 2059 | 2056 | 2056 | 1491 | 1491 | 2056 | 2059 | 2059 | 2060 | 2060 |
Best forecast wave conditions in Saipan | ||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||
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