Surf Forecasts:
How big are the waves at Tank Beach today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 5.5ft (1.7m), 9s period with ENE swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 5.5ft (1.7m), 9s period with ENE swell.
- Evening surf: Evening surf (21 Oct, local time) - 6ft (1.9m), 9s period with NE swell.
The current surf forecast for Tank Beach at 5PM is: 1.7m 9s primary swell from a East-northeast direction (forecast issued at 09:00am October 21). An open ocean swell of 0.9m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 5.5ft (1.7m) | 9s |
| Afternoon (21 Oct) | 5.5ft (1.7m) | 9s |
| Evening (21 Oct) | 6ft (1.9m) | 9s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 49mm), heaviest during Thu night. Warm (max 28°C on Wed morning, min 27°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||||||||||
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 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | NE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 355 | 411 | 395 | 449 | 465 | 525 | 560 | 595 | 595 | 577 | 615 | 653 | 669 | 684 | 700 | 700 | 749 | 749 | 659 | 700 | 785 | 808 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:48PM0.69m | 3:06AM0.57m | 5:04PM0.69m | 4:31AM0.59m | 5:19PM0.70m | |||||||||||||||||
Low Tide | 9:07AM0.25m | 10:45PM0.50m | 9:55AM0.29m | 11:16PM0.43m | 10:43AM0.34m | |||||||||||||||||
 | |  | |  | |  | |  | | | | | | | | | | | | | | |
 | 6:09 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | — | — | — | — | — | — | 1 | 1 | 1 | 2 | 4 | 3 | 4 | 1 | 2 | 5 | 4 | 3 | 1 | 5 | 2 | 2 |
Temp °C | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
Feels °C | 28 | 30 | 30 | 30 | 30 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 25 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | WSW 10 | WSW 9 | ENE 9 | WSW 9 | NE 9 | W 11 | W 12 | W 12 | W 12 | W 11 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 13 | W 13 | W 12 | W 13 |
| kJ | 355 | 157 | 154 | 449 | 133 | 525 | 155 | 221 | 273 | 264 | 363 | 376 | 387 | 325 | 325 | 325 | 330 | 368 | 495 | 563 | 225 | 392 |
Swell 2 Height (m) Direction Period (s) | SW 10 | W 12 | W 12 | WSW 10 | NNE 9 | WSW 9 | WSW 9 | WSW 9 | WSW 10 | WSW 10 | N 12 | N 11 | NNE 11 | NNE 11 | NNE 11 | N 10 | N 11 | SE 9 | N 10 | ESE 10 | WNW 14 | WNW 15 |
| kJ | 177 | 221 | 178 | 142 | 62 | 106 | 103 | 70 | 83 | 85 | 24 | 23 | 22 | 24 | 23 | 19 | 21 | 14 | 18 | 9 | 247 | 228 |
Swell 3 Height (m) Direction Period (s) | W 12 | N 9 | NNE 9 | W 11 | W 11 | W 11 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | N 11 | SE 9 | SE 9 | ESE 9 | ESE 9 | N 10 | ESE 10 | N 10 | N 10 | N 10 |
| kJ | 180 | 60 | 113 | 123 | 85 | 118 | 23 | 14 | 14 | 14 | 14 | 14 | 22 | 13 | 14 | 8 | 8 | 18 | 9 | 8 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | — | ENE 9 | ENE 9 | — | ENE 9 | — | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 |
| kJ | — | 411 | 395 | — | 465 | — | 560 | 595 | 595 | 577 | 615 | 653 | 669 | 684 | 700 | 700 | 749 | 749 | 659 | 700 | 785 | 808 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 227 | 2056 | 2066 | 2102 | 2063 | 227 | 1504 | 1504 | 1504 | 1504 | 1504 | 1504 | 227 | 1504 | 1504 | 227 | 227 | 1491 | 1491 | 1491 | 227 | 227 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||
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