Surf Forecasts:
How big are the waves at Tank Beach today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 7ft (2.1m), 9s period with NE swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 7ft (2.1m), 9s period with NE swell.
- Evening surf: Evening surf (16 Sep, local time) - 6ft (1.9m), 8s period with NE swell.
The current surf forecast for Tank Beach at 4PM is: 2.1m 9s primary swell from a Northeast direction and 0.8m 13s secondary swell from a East-northeast direction (forecast issued at 09:00am September 16). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 7ft (2.1m) | 9s |
| Afternoon (16 Sep) | 7ft (2.1m) | 9s |
| Evening (16 Sep) | 6ft (1.9m) | 8s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Wed morning. Warm (max 29°C on Wed morning, min 28°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | ||||||||||||||||||||
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) | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 9 | NE 9 | NE 9 | NNE 10 | NE 11 | NE 11 | NNE 10 | NNE 10 | NNE 10 | NNE 9 | NNE 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 675 | 744 | 727 | 660 | 571 | 505 | 468 | 433 | 367 | 306 | 286 | 300 | 275 | 268 | 339 | 476 | 496 | 371 | 235 | 172 | 158 | 146 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off |
High Tide | 12:24PM0.63m | 9:44PM0.66m | 1:52PM0.62m | 10:08PM0.65m | 3:20PM0.63m | |||||||||||||||||
Low Tide | 4:53AM0.21m | 4:46PM0.56m | 5:41AM0.20m | 5:37PM0.59m | 6:33AM0.19m | 6:46PM0.61m | ||||||||||||||||
 | |  | |  | | |  | | | | | |  | | |  | | | | | | |
 | 6:05 | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | 4 | 2 | — | 2 | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | — |
Temp °C | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 29 | 29 |
Feels °C | 30 | 30 | 31 | 31 | 32 | 32 | 32 | 31 | 30 | 32 | 31 | 30 | 31 | 31 | 32 | 32 | 31 | 30 | 30 | 30 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | ENE 13 | NE 9 | NE 9 | NE 9 | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 9 | NE 9 | NE 9 | NNE 10 | NE 11 | NE 11 | NNE 10 | NNE 10 | SW 9 | SW 8 | NNE 9 |
| kJ | 158 | 744 | 727 | 660 | 571 | 505 | 468 | 433 | 367 | 306 | 286 | 300 | 275 | 268 | 339 | 476 | 496 | 371 | 235 | 152 | 142 | 146 |
Swell 2 Height (m) Direction Period (s) | S 9 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | SW 8 | ENE 12 | WSW 8 | WSW 8 | WSW 8 | SW 8 | SW 8 | SW 9 | NNE 10 | NNE 9 | SW 8 |
| kJ | 54 | 198 | 195 | 195 | 149 | 147 | 138 | 131 | 129 | 127 | 123 | 54 | 91 | 45 | 45 | 46 | 115 | 118 | 176 | 172 | 158 | 102 |
Swell 3 Height (m) Direction Period (s) | ENE 12 | S 8 | S 8 | S 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | NE 12 | WSW 8 | ENE 11 | ENE 11 | S 8 | SSE 7 | ENE 11 | NE 11 | NE 11 | NE 11 | NE 11 |
| kJ | 45 | 50 | 36 | 34 | 22 | 35 | 44 | 43 | 43 | 43 | 55 | 72 | 45 | 51 | 84 | 31 | 9 | 47 | 126 | 123 | 119 | 117 |
Wind waves Height (m) Direction Period (s) | NE 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 2 | WSW 3 | WSW 3 | WSW 3 |
| kJ | 675 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 4 | 7 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 242 | 237 | 237 | 237 | 237 | 237 | 0 | 237 | 242 | 242 | 237 | 237 | 237 | 237 | 237 | 237 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||
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