Surf Forecasts:
How big are the waves at Tank Beach today (17 Oct):
- Morning surf: Morning surf (17 Oct, local time) - 8ft (2.4m), 9s period with ENE swell.
- Afternoon surf: Afternoon surf (17 Oct, local time) - 11ft (3.5m), 10s period with ENE swell.
- Evening surf: Evening surf (17 Oct, local time) - 11ft (3.5m), 13s period with ESE swell.
The current surf forecast for Tank Beach at 4AM is: 2.0m 9s primary swell from a East-northeast direction and 0.6m 10s secondary swell from a North direction, 0.3m 9s secondary swell from a Southeast direction (forecast issued at 09:00pm October 16). The wind direction is predicted to be onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | 8ft (2.4m) | 9s |
| Afternoon (17 Oct) | 11ft (3.5m) | 10s |
| Evening (17 Oct) | 11ft (3.5m) | 13s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 47mm), heaviest during Sun morning. Warm (max 28°C on Fri night, min 27°C on Sat night). Winds increasing (moderate winds from the ENE on Fri night, gales from the ESE by Sun morning). | ||||||||||||||||||
Fri 16 | Saturday 17 | Sunday 18 | ||||||||||||||||
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 | E 10 | ENE 10 | ENE 11 | ESE 13 | ESE 14 | E 13 | ESE 13 | ESE 13 | SE 13 | SE 13 | SE 12 | SE 12 |
Wave Graph  | ||||||||||||||||||
 kJ | 348 | 398 | 459 | 618 | 691 | 924 | 816 | 2810 | 4310 | 3767 | 7091 | 12541 | 12686 | 14752 | 15177 | 12964 | 8907 | 7314 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross |
High Tide | 8:49PM0.63m | 2:31PM0.67m | 9:17PM0.62m | 3:24PM0.67m | ||||||||||||||
Low Tide | 5:53PM0.62m | 5:39AM0.16m | 7:17PM0.61m | 6:32AM0.18m | 8:51PM0.60m | |||||||||||||
 |  | | |  |  |  | | | | | | | | | | | | |
 | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — |
mm | 1 | — | — | 1 | — | — | 1 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 4 | 4 | 3 | 2 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 |
Feels °C | 29 | 28 | 28 | 27 | 26 | 27 | 26 | 25 | 25 | 25 | 24 | 23 | 21 | 21 | 22 | 23 | 22 | 24 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | N 10 | N 10 | N 10 | N 10 | E 11 | E 10 | — | ESE 11 | ESE 13 | ESE 14 | — | — | — | — | — | NNE 11 | NNE 11 |
| kJ | 348 | 74 | 73 | 71 | 49 | 64 | 816 | — | 2574 | 3767 | 7091 | — | — | — | — | — | 12 | 23 |
Swell 2 Height (m) Direction Period (s) | N 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 74 | 13 | 13 | 13 | 13 | 13 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 9 | E 15 | — | NE 13 | ENE 13 | SE 9 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 13 | 4 | — | 7 | 18 | 30 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | NE 9 | ENE 10 | ENE 11 | NE 9 | NE 9 | E 13 | ESE 13 | ESE 13 | SE 13 | SE 13 | SE 12 | SE 12 |
| kJ | — | 398 | 459 | 618 | 691 | 924 | 727 | 2810 | 4310 | 1914 | 1903 | 12541 | 12686 | 14752 | 15177 | 12964 | 8907 | 7314 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 1491 | 1491 | 1491 | 1491 | 1491 | 1491 | 1491 | 2219 | 1491 | 1491 | 1491 | 1491 | 1491 | 1491 | 1491 | 1491 | 1491 | 1491 |
Best forecast wave conditions in Saipan | ||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||
Header Global | ||||||||||||||||||
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