Surf Forecasts:
How big are the waves at Tank Beach today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 4ft (1.2m), 9s period with ENE swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 4ft (1.2m), 8s period with NE swell.
- Evening surf: Evening surf (20 Oct, local time) - 4.5ft (1.4m), 8s period with NE swell.
The current surf forecast for Tank Beach at 4AM is: 1.1m 9s primary swell from a East-northeast direction (forecast issued at 09:00pm October 19). An open ocean swell of 1.3m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 4ft (1.2m) | 9s |
| Afternoon (20 Oct) | 4ft (1.2m) | 8s |
| Evening (20 Oct) | 4.5ft (1.4m) | 8s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Thu afternoon. Warm (max 28°C on Tue morning, min 27°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Mon 19 | Tuesday 20 | Wednesday 21 | ||||||||||||||||
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 | ENE 9 | NE 8 | ENE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 222 | 222 | 190 | 186 | 186 | 197 | 211 | 235 | 256 | 288 | 288 | 302 | 316 | 411 | 364 | 395 | 439 | 439 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on |
High Tide | 4:02PM0.68m | 11:37PM0.58m | 4:28PM0.68m | 1:28AM0.57m | 4:48PM0.69m | |||||||||||||
Low Tide | 9:41PM0.58m | 8:18AM0.23m | 10:14PM0.54m | 9:07AM0.25m | ||||||||||||||
 | |  | |  |  | |  | |  | | | | | | |  | | |
 | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | 5 | 2 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | 1 | — | — | — |
Temp °C | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
Feels °C | 29 | 29 | 31 | 30 | 30 | 30 | 31 | 31 | 30 | 30 | 31 | 31 | 30 | 29 | 29 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 12 | WSW 12 | WSW 11 | WSW 12 | NE 8 | NE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 469 | 453 | 445 | 361 | 389 | 715 | 710 | 556 | 585 | 288 | 288 | 302 | 316 | 411 | 364 | 395 | 439 | 439 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | NE 8 | ENE 8 | NE 8 | WSW 11 | WSW 10 | SW 10 | SW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | W 12 |
| kJ | 212 | 222 | 190 | 186 | 186 | 197 | 211 | 235 | 256 | 419 | 267 | 211 | 198 | 176 | 148 | 130 | 130 | 278 |
Swell 3 Height (m) Direction Period (s) | ENE 9 | SE 8 | SE 8 | SE 8 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | N 10 | W 12 | W 12 | W 11 | NNE 10 | NNE 9 | W 11 | WSW 9 |
| kJ | 222 | 104 | 100 | 69 | 92 | 92 | 58 | 58 | 57 | 57 | 45 | 103 | 129 | 121 | 137 | 110 | 163 | 103 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 231 | 227 | 243 | 227 | 230 | 249 | 243 | 227 | 227 | 227 | 227 | 249 | 249 | 2056 | 2060 | 2075 | 2075 | 1491 |
Best forecast wave conditions in Saipan | ||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
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Surf Rating (10 Max)
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