Surf Forecasts:
How big are the waves at Tank Beach today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 16ft (5.0m), 12s period with SE swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 6ft (1.8m), 9s period with ENE swell.
- Evening surf: Evening surf (18 Oct, local time) - 6ft (1.8m), 8s period with SE swell.
The current surf forecast for Tank Beach at 6AM is: 5.0m 12s primary swell from a East-southeast direction (forecast issued at 09:00pm October 17). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 16ft (5.0m) | 12s |
| Afternoon (18 Oct) | 6ft (1.8m) | 9s |
| Evening (18 Oct) | 6ft (1.8m) | 8s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 70mm), heaviest during Mon morning. Warm (max 28°C on Sat night, min 25°C on Mon morning). Winds decreasing (near gales from the E on Sat night, light winds from the E by Tue afternoon). | ||||||||||||||||||
Sat 17 | Sunday 18 | Monday 19 | ||||||||||||||||
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) | ESE 12 | ESE 13 | E 13 | ESE 12 | ESE 12 | SE 12 | SE 12 | ENE 9 | ENE 9 | SE 8 | SE 9 | SE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 9 | ENE 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 3397 | 5385 | 9909 | 9635 | 7680 | 5968 | 4688 | 525 | 398 | 416 | 513 | 486 | 380 | 386 | 316 | 284 | 281 | 268 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross-off |
High Tide | 9:17PM0.62m | 3:24PM0.67m | 10:06PM0.60m | 4:02PM0.68m | ||||||||||||||
Low Tide | 7:17PM0.61m | 6:32AM0.18m | 8:51PM0.60m | 7:26AM0.20m | 9:41PM0.58m | |||||||||||||
 | | | |  | | | | | | |  | | |  | | | | |
 | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 4 | 6 | 4 | 13 | 6 | 1 | 2 | 4 |
Temp °C | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 25 | 25 | 27 | 27 | 28 |
Feels °C | 25 | 24 | 24 | 22 | 22 | 23 | 21 | 23 | 24 | 24 | 25 | 26 | 24 | 23 | 22 | 27 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | ESE 12 | ESE 13 | — | — | — | — | NNE 11 | ENE 9 | ENE 9 | SSW 11 | SSW 11 | SSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 |
| kJ | 3397 | 5385 | — | — | — | — | 12 | 525 | 398 | 1027 | 871 | 860 | 984 | 743 | 671 | 716 | 738 | 738 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | NW 9 | NNE 11 | NNE 11 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 9 | ENE 9 |
| kJ | — | — | — | — | — | — | 3 | 22 | 22 | 368 | 339 | 300 | 372 | 386 | 316 | 284 | 281 | 268 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | NW 9 | NW 9 | NE 11 | NNE 11 | NNE 10 | NNE 10 | NNE 10 | SSE 8 | SSE 8 | S 8 | S 8 |
| kJ | — | — | — | — | — | — | — | 3 | 3 | 29 | 38 | 20 | 20 | 20 | 255 | 197 | 108 | 88 |
Wind waves Height (m) Direction Period (s) | NE 9 | NE 10 | E 13 | ESE 12 | ESE 12 | SE 12 | SE 12 | SSE 11 | SSE 11 | SE 8 | SE 9 | SE 9 | SE 9 | SSE 8 | — | SSE 8 | — | SE 8 |
| kJ | 1774 | 1913 | 9909 | 9635 | 7680 | 5968 | 4688 | 2481 | 2119 | 416 | 513 | 486 | 380 | 309 | — | 380 | — | 42 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 1491 | 1491 | 1491 | 1491 | 1491 | 1491 | 1491 | 2059 | 1491 | 1491 | 2056 | 2056 | 2056 | 2056 | 2213 | 2219 | 2213 | 2082 |
Best forecast wave conditions in Saipan | ||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||
Header Global | ||||||||||||||||||
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