Surf Forecasts:
How big are the waves at Tank Beach today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 2ft (0.6m), 11s period with ENE swell.
- 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 8AM is: 0.6m 10s primary swell from a East-northeast direction and 0.4m 3s secondary swell from a Northeast direction (forecast issued at 03:00am August 31). An open ocean swell of 0.7m 8s is not directed at the surf break, a second open ocean swell of 0.6m 9s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 2ft (0.6m) | 11s |
| 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 ForecastMostly dry. Warm (max 29°C on Mon morning, min 27°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||||||
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 | 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 11 | 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 | ENE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 68 | 69 | 73 | 75 | 117 | 75 | 105 | 119 | 119 | 143 | 138 | 130 | 98 | 98 | 125 | 94 | 92 | 94 | 90 | 88 | 98 | 122 | 122 | 148 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | off | off | glassy | glassy | glassy | glassy | glassy | glassy | cross-off |
High Tide | 9:12AM0.64m | 9:28PM0.70m | 10:26AM0.62m | 9:50PM0.70m | 11:53AM0.61m | |||||||||||||||||||
Low Tide | 3:27AM0.38m | 3:19PM0.36m | 4:14AM0.31m | 3:58PM0.44m | 5:04AM0.25m | 4:41PM0.51m | ||||||||||||||||||
 |  |  | | | | | | |  |  | | |  | | | | | | | | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:29 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 29 | 30 | 31 | 32 | 33 | 33 | 33 | 34 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 33 | 33 | 33 | 32 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | WSW 8 | WSW 8 | W 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 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 |
| kJ | 68 | 67 | 58 | 115 | 125 | 157 | 220 | 241 | 235 | 235 | 235 | 241 | 276 | 288 | 295 | 282 | 274 | 274 | 274 | 270 | 264 | 263 | 258 | 258 |
Swell 2 Height (m) Direction Period (s) | WNW 9 | WNW 10 | WNW 9 | WSW 8 | 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 | ENE 10 |
| kJ | 65 | 72 | 69 | 49 | 117 | 75 | 105 | 119 | 119 | 143 | 138 | 130 | 98 | 98 | 125 | 94 | 92 | 94 | 90 | 88 | 98 | 122 | 122 | 148 |
Swell 3 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 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 | SE 9 | SSE 9 | E 10 | E 10 | E 10 | E 10 | E 10 | S 6 | S 6 |
| kJ | 68 | 69 | 73 | 75 | 48 | 38 | 33 | 32 | 31 | 22 | 22 | 13 | 13 | 13 | 13 | 21 | 16 | 17 | 17 | 17 | 17 | 8 | 3 | 6 |
Wind waves Height (m) Direction Period (s) | NE 3 | NE 3 | NE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 6 |
| kJ | 2 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 18 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 237 | 237 | 237 | 237 | 237 | 237 | 0 | 0 | 0 | 0 | 0 | 0 | 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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