Surf Forecasts:
How big are the waves at Tank Beach today (30 Aug):
- Afternoon surf: Afternoon surf (30 Aug, local time) - 2.5ft (0.7m), 10s period with ENE swell.
- Evening surf: Evening surf (30 Aug, local time) - 2ft (0.6m), 10s period with ENE swell.
The current surf forecast for Tank Beach at 8PM is: 0.6m 10s primary swell from a East-northeast direction and 0.4m 3s secondary swell from a Northeast direction (forecast issued at 03:00pm August 30). An open ocean swell of 0.8m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | - | - |
| Afternoon (30 Aug) | 2.5ft (0.7m) | 10s |
| Evening (30 Aug) | 2ft (0.6m) | 10s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 15mm), heaviest on Sun afternoon. Warm (max 29°C on Mon afternoon, min 28°C on Sun afternoon). Wind will be generally light. | ||||||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | ||||||||||||||||||
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) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | NE 10 | NE 10 | ENE 11 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 | ENE 11 | NE 10 | ENE 10 | NE 10 | NE 10 | ENE 10 | NE 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 94 | 90 | 67 | 67 | 68 | 84 | 89 | 75 | 90 | 115 | 121 | 119 | 119 | 143 | 102 | 130 | 98 | 98 | 125 | 96 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | cross-off | glassy | glassy | glassy |
High Tide | 9:11PM0.69m | 9:12AM0.64m | 9:28PM0.70m | 10:26AM0.62m | 9:50PM0.70m | |||||||||||||||
Low Tide | 3:27AM0.38m | 3:19PM0.36m | 4:14AM0.31m | 3:58PM0.44m | ||||||||||||||||
 | |  | |  | |  | | | | | | |  | |  | | | | | |
 | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — |
mm | 1 | 6 | 3 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 32 | 30 | 31 | 30 | 30 | 30 | 31 | 31 | 32 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 33 | 33 |
Swell 1 Height (m) Direction Period (s) | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WNW 9 | WNW 10 | WNW 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 |
| kJ | 54 | 63 | 65 | 85 | 68 | 67 | 62 | 115 | 125 | 157 | 220 | 241 | 235 | 235 | 235 | 235 | 276 | 270 | 276 | 340 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | WNW 10 | WNW 9 | WSW 8 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 | ENE 11 | NE 10 | ENE 10 | NE 10 | NE 10 | ENE 10 | NE 10 |
| kJ | 94 | 90 | 67 | 67 | 68 | 72 | 69 | 49 | 90 | 115 | 121 | 119 | 119 | 143 | 102 | 130 | 98 | 98 | 125 | 96 |
Swell 3 Height (m) Direction Period (s) | WNW 8 | WNW 8 | W 8 | W 8 | WNW 9 | NE 10 | NE 10 | ENE 11 | WSW 8 | WSW 8 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | E 10 |
| kJ | 53 | 53 | 34 | 37 | 65 | 84 | 89 | 75 | 48 | 45 | 33 | 32 | 31 | 22 | 22 | 22 | 13 | 29 | 13 | 18 |
Wind waves Height (m) Direction Period (s) | — | — | NNE 3 | NE 3 | NE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 1 | 2 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 237 | 237 | 2059 | 2075 | 237 | 237 | 237 | 227 | 0 | 0 | 0 | 0 | 0 | 0 | 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)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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