Surf Forecasts:
How big are the waves at Tank Beach today (31 Aug):
- Afternoon surf: Afternoon surf (31 Aug, local time) - 2ft (0.6m), 11s period with ENE swell.
- Evening surf: Evening surf (31 Aug, local time) - 2.5ft (0.7m), 11s period with NE swell.
The current surf forecast for Tank Beach at 11PM is: 0.7m 11s primary swell from a Northeast direction (forecast issued at 03:00pm August 31). An open ocean swell of 1.2m 9s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | - | - |
| Afternoon (31 Aug) | 2ft (0.6m) | 11s |
| Evening (31 Aug) | 2.5ft (0.7m) | 11s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Wed night. Warm (max 29°C on Mon afternoon, min 26°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||
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 11 | ENE 11 | ENE 11 | NE 11 | NE 11 | ENE 11 | ENE 10 | ENE 10 | NE 10 | NE 10 | ENE 10 | NE 10 | NE 10 | NE 10 | NE 9 | NE 9 | NE 10 | ENE 10 | ENE 10 | NE 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 117 | 78 | 105 | 119 | 119 | 143 | 138 | 130 | 98 | 98 | 125 | 94 | 92 | 94 | 90 | 88 | 98 | 122 | 120 | 184 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy |
High Tide | 9:28PM0.70m | 10:26AM0.62m | 9:50PM0.70m | 11:53AM0.61m | ||||||||||||||||
Low Tide | 4:14AM0.31m | 3:58PM0.44m | 5:04AM0.25m | 4:41PM0.51m | ||||||||||||||||
 | |  |  | | |  | | |  | |  | | | | | |  |  | | |
 | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:29 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 4 |
Temp °C | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 27 |
Feels °C | 33 | 33 | 34 | 34 | 33 | 32 | 33 | 33 | 33 | 32 | 32 | 33 | 31 | 30 | 31 | 32 | 31 | 33 | 32 | 33 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 |
| kJ | 125 | 157 | 220 | 241 | 235 | 235 | 235 | 241 | 276 | 334 | 341 | 325 | 318 | 311 | 318 | 280 | 274 | 268 | 311 | 311 |
Swell 2 Height (m) Direction Period (s) | NE 11 | ENE 11 | ENE 11 | NE 11 | NE 11 | ENE 11 | ENE 10 | ENE 10 | NE 10 | NE 10 | ENE 10 | NE 10 | NE 10 | NE 10 | NE 9 | NE 9 | NE 10 | ENE 10 | ENE 10 | NE 10 |
| kJ | 117 | 78 | 105 | 119 | 119 | 143 | 138 | 130 | 98 | 98 | 125 | 94 | 92 | 94 | 90 | 88 | 98 | 122 | 120 | 184 |
Swell 3 Height (m) Direction Period (s) | WSW 8 | WSW 8 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | E 10 | E 10 | E 10 | E 10 | SE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 48 | 45 | 33 | 32 | 31 | 22 | 22 | 22 | 21 | 13 | 13 | 12 | 18 | 17 | 17 | 17 | 11 | 7 | 7 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNE 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 237 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 237 | 237 | 2194 | 227 | 237 | 242 | 227 | 0 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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