Surf Forecasts:
How big are the waves at Tank Beach today (19 Oct):
- Morning surf: Morning surf (19 Oct, local time) - 4.5ft (1.3m), 9s period with ENE swell.
- Afternoon surf: Afternoon surf (19 Oct, local time) - 4ft (1.2m), 9s period with ENE swell.
- Evening surf: Evening surf (19 Oct, local time) - 3.5ft (1.1m), 9s period with ENE swell.
The current surf forecast for Tank Beach at 5AM is: 1.8m 9s primary swell from a Southeast direction and 1.4m 9s secondary swell from a East-northeast direction (forecast issued at 09:00pm October 18). An open ocean swell of 1.8m 12s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Oct) | 4.5ft (1.3m) | 9s |
| Afternoon (19 Oct) | 4ft (1.2m) | 9s |
| Evening (19 Oct) | 3.5ft (1.1m) | 9s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 54mm), heaviest during Sun night. Warm (max 28°C on Mon afternoon, min 26°C on Sun night). Winds decreasing (strong winds from the SE on Sun night, light winds from the ESE by Mon night). | ||||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | ||||||||||||||||
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 | E 8 | ESE 9 | SE 9 | SE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | NE 8 | NE 8 | ENE 8 | NE 8 |
Wave Graph  | ||||||||||||||||||
 kJ | 474 | 819 | 949 | 528 | 460 | 244 | 190 | 222 | 190 | 190 | 186 | 181 | 172 | 197 | 206 | 206 | 241 | 256 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:06PM0.60m | 4:02PM0.68m | 11:37PM0.58m | 4:28PM0.68m | ||||||||||||||
Low Tide | 8:51PM0.60m | 7:26AM0.20m | 9:41PM0.58m | 8:18AM0.23m | ||||||||||||||
 | | | |  |  | | | | |  |  |  |  | | | | | |
 | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | 5 | 19 | 4 | 4 | 6 | 4 | 2 | 4 | 3 | 2 | — | — | — | — | — | 1 | — | — |
Temp °C | 26 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 |
Feels °C | 25 | 26 | 24 | 25 | 26 | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 29 | 31 | 31 | 31 | 31 | 29 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | S 10 | SSW 10 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | NE 8 |
| kJ | 474 | 630 | 471 | 872 | 780 | 756 | 683 | 606 | 712 | 604 | 462 | 553 | 558 | 369 | 328 | 315 | 370 | 256 |
Swell 2 Height (m) Direction Period (s) | NNE 11 | NNE 11 | NNE 11 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SSE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | NE 8 | NE 8 | ENE 8 | SW 10 |
| kJ | 22 | 22 | 22 | 318 | 262 | 222 | 190 | 249 | 190 | 190 | 186 | 181 | 172 | 197 | 206 | 206 | 241 | 356 |
Swell 3 Height (m) Direction Period (s) | NW 9 | NW 8 | NW 8 | NNE 10 | NNE 10 | SSE 9 | NNE 10 | ENE 9 | NNE 10 | NNE 9 | S 8 | SE 8 | SE 10 | WSW 12 | WSW 12 | W 12 | W 12 | W 12 |
| kJ | 3 | 3 | 3 | 20 | 33 | 80 | 19 | 222 | 18 | 16 | 63 | 69 | 92 | 150 | 189 | 174 | 69 | 100 |
Wind waves Height (m) Direction Period (s) | SSE 10 | E 8 | ESE 9 | SE 9 | SE 9 | SE 8 | SSE 8 | — | SE 9 | SE 8 | SE 8 | — | — | — | — | — | — | — |
| kJ | 1658 | 819 | 949 | 528 | 460 | 244 | 309 | — | 104 | 100 | 102 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 1491 | 1491 | 1491 | 2056 | 2056 | 2056 | 2213 | 229 | 227 | 227 | 227 | 227 | 227 | 227 | 227 | 227 | 227 | 227 |
Best forecast wave conditions in Saipan | ||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||
Header Global | ||||||||||||||||||
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