Surf Forecasts:
How big are the waves at Tank Beach today (31 Oct):
- Morning surf: Morning surf (31 Oct, local time) - 8ft (2.4m), 11s period with NNW swell.
- Afternoon surf: Afternoon surf (31 Oct, local time) - 8ft (2.4m), 12s period with NNW swell.
- Evening surf: Evening surf (31 Oct, local time) - 7ft (2.1m), 12s period with NNW swell.
The current surf forecast for Tank Beach at 6AM is: 2.5m 11s primary swell from a North direction and 1.0m 10s secondary swell from a East-northeast direction (forecast issued at 03:00am October 31). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Oct) | 8ft (2.4m) | 11s |
| Afternoon (31 Oct) | 8ft (2.4m) | 12s |
| Evening (31 Oct) | 7ft (2.1m) | 12s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Mon night. Warm (max 28°C on Mon afternoon, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 31 | Sunday 1 | Monday 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) | NNE 11 | N 11 | NNW 11 | NNW 11 | NNW 11 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 12 | NNW 12 | NNW 12 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1848 | 1584 | 1505 | 1473 | 1396 | 1677 | 1412 | 1158 | 1009 | 876 | 835 | 850 | 920 | 1528 | 1657 | 1820 | 1995 | 1901 | 1677 | 1376 | 1290 | 1163 | 1062 | 952 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | glassy | cross | cross | cross | cross | cross | cross |
High Tide | 1:38PM0.75m | 9:31PM0.68m | 2:31PM0.75m | 10:44PM0.65m | 3:12PM0.74m | |||||||||||||||||||
Low Tide | 5:06AM0.02m | 6:35PM0.66m | 6:05AM0.07m | 7:57PM0.62m | 7:05AM0.12m | 9:05PM0.57m | ||||||||||||||||||
 | |  |  | | | | | | | | | | | | | | | | | | |  | | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 5 |
Temp °C | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 28 | 28 | 27 |
Feels °C | 26 | 28 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 31 | 29 | 29 | 31 | 31 | 31 | 30 | 31 | 30 | 29 | 30 | 30 | 31 | 31 | 29 |
Swell 1 Height (m) Direction Period (s) | NNE 11 | N 11 | NNW 11 | NNW 11 | NNW 11 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 12 | NNW 12 | NNW 12 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 |
| kJ | 1848 | 1584 | 1505 | 1473 | 1396 | 1677 | 1412 | 1158 | 1009 | 876 | 835 | 850 | 920 | 1528 | 1657 | 1820 | 1995 | 1901 | 1677 | 1376 | 1290 | 1163 | 1062 | 952 |
Swell 2 Height (m) Direction Period (s) | ENE 11 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 |
| kJ | 161 | 194 | 204 | 164 | 130 | 124 | 113 | 101 | 78 | 78 | 82 | 84 | 80 | 82 | 80 | 80 | 113 | 80 | 80 | 78 | 76 | 108 | 108 | 140 |
Swell 3 Height (m) Direction Period (s) | NW 8 | SE 9 | SE 9 | SE 9 | SSE 9 | SE 9 | N 11 | N 11 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 |
| kJ | 45 | 13 | 21 | 21 | 32 | 21 | 88 | 114 | 80 | 82 | 57 | 55 | 37 | 38 | 41 | 40 | 39 | 37 | 27 | 49 | 34 | 33 | 31 | 31 |
Wind waves Height (m) Direction Period (s) | SW 4 | S 4 | S 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 10 | 7 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 237 | 0 | 227 | 227 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 227 | 227 | 227 | 227 | 227 | 227 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||||
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