Surf Forecasts:
How big are the waves at Tank Beach today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 5ft (1.6m), 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 7AM is: 1.6m 9s primary swell from a East-northeast direction (forecast issued at 03:00am October 21). An open ocean swell of 1.0m 10s is not directed at the surf break, a second open ocean swell of 0.8m 12s 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) | 5ft (1.6m) | 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 42mm), heaviest during Thu afternoon. Warm (max 28°C on Wed morning, min 27°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||||||||||||
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 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | NE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 322 | 302 | 377 | 454 | 439 | 439 | 465 | 525 | 560 | 564 | 564 | 629 | 615 | 587 | 641 | 656 | 656 | 615 | 644 | 604 | 604 | 591 | 577 | 615 |
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-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:28AM0.57m | 4:48PM0.69m | 3:06AM0.57m | 5:04PM0.69m | 4:31AM0.59m | 5:19PM0.70m | ||||||||||||||||||
Low Tide | 10:14PM0.54m | 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 | 1 | 1 | 3 | 3 | 4 | 2 | 2 | 4 | 4 | 1 | 2 | 4 | 2 | 1 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 28 | 27 | 28 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 31 | 30 | 30 | 30 | 29 | 30 | 29 | 28 | 27 | 27 | 27 | 29 | 28 | 28 | 28 | 27 | 29 | 27 | 29 | 28 | 28 | 28 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | SW 10 | WSW 10 | WSW 9 | WSW 10 | WSW 9 | NE 9 | W 11 | W 12 | W 12 | W 12 | W 11 | W 12 | W 12 | W 12 | W 12 | W 11 | W 12 | W 12 | W 12 | W 12 | W 12 | W 13 |
| kJ | 322 | 302 | 177 | 157 | 154 | 142 | 133 | 525 | 155 | 225 | 273 | 264 | 369 | 383 | 393 | 325 | 319 | 308 | 342 | 356 | 368 | 423 | 437 | 483 |
Swell 2 Height (m) Direction Period (s) | WSW 10 | SW 10 | W 12 | W 12 | W 12 | NNE 9 | NNE 9 | WSW 9 | SW 9 | WSW 9 | WSW 9 | WSW 8 | N 12 | NNE 11 | N 11 | NNE 11 | NNE 11 | NNE 11 | SE 10 | SE 9 | SE 10 | ESE 10 | ESE 10 | SE 9 |
| kJ | 267 | 211 | 180 | 221 | 178 | 86 | 86 | 106 | 83 | 70 | 76 | 48 | 24 | 25 | 22 | 24 | 23 | 23 | 15 | 14 | 14 | 9 | 9 | 14 |
Swell 3 Height (m) Direction Period (s) | SE 10 | W 12 | N 10 | N 9 | NNE 9 | W 11 | W 11 | W 11 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | N 11 | NNE 11 | SE 9 | SE 9 | N 11 | N 10 | N 10 | N 10 | N 10 | N 10 |
| kJ | 33 | 103 | 70 | 60 | 113 | 123 | 85 | 118 | 23 | 22 | 14 | 14 | 14 | 14 | 22 | 24 | 14 | 14 | 9 | 18 | 18 | 2 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | — | — | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | — | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
| kJ | — | — | 377 | 454 | 439 | 439 | 465 | — | 560 | 564 | 564 | 629 | 615 | 587 | 641 | 656 | 656 | 615 | 644 | 604 | 604 | 591 | 577 | 615 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 227 | 227 | 227 | 2056 | 2063 | 2075 | 1491 | 1504 | 1504 | 1504 | 1504 | 1504 | 1504 | 1504 | 227 | 1504 | 227 | 227 | 1504 | 1575 | 1575 | 1575 | 227 | 227 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Tank Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest