Surf Forecasts:
How big are the waves at Tank Beach today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 2ft (0.6m), 9s period with E swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 2ft (0.6m), 9s period with E swell.
- Evening surf: Evening surf (20 Jul, local time) - 2ft (0.6m), 9s period with E swell.
The current surf forecast for Tank Beach at 11AM is: 0.6m 9s primary swell from a East direction and 0.3m 3s secondary swell from a Southeast direction (forecast issued at 03:00am July 20). An open ocean swell of 0.5m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 2ft (0.6m) | 9s |
| Afternoon (20 Jul) | 2ft (0.6m) | 9s |
| Evening (20 Jul) | 2ft (0.6m) | 9s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Mon afternoon. Warm (max 29°C on Mon morning, min 27°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||||
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) | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SE 10 | E 9 | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 67 | 65 | 67 | 61 | 61 | 60 | 60 | 60 | 60 | 60 | 41 | 41 | 46 | 41 | 49 | 55 | 57 | 73 | 72 | 67 | 63 | 61 | 61 | 61 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross |
High Tide | 00:02AM0.74m | 12:01PM0.56m | 00:25AM0.73m | 1:54PM0.54m | 00:48AM0.72m | 4:02PM0.55m | ||||||||||||||||||
Low Tide | 6:49AM0.40m | 5:37PM0.39m | 7:44AM0.33m | 6:11PM0.47m | 8:35AM0.27m | 6:48PM0.54m | ||||||||||||||||||
 | |  |  | |  |  | | | | | | | | | | | | | | | | | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — |
mm | — | — | — | — | — | 1 | 3 | 1 | 1 | 1 | — | — | — | — | 1 | — | 2 | — | — | — | — | — | 2 | — |
Temp °C | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 |
Feels °C | 31 | 30 | 30 | 29 | 32 | 32 | 31 | 32 | 31 | 31 | 30 | 29 | 31 | 31 | 32 | 30 | 30 | 31 | 30 | 30 | 30 | 31 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | WSW 7 | WSW 7 | WSW 7 | E 9 | E 9 | E 9 | E 9 | E 9 | SE 11 | SE 11 | SW 7 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 67 | 65 | 67 | 61 | 61 | 60 | 60 | 60 | 35 | 35 | 35 | 41 | 41 | 41 | 41 | 41 | 57 | 73 | 27 | 67 | 63 | 61 | 61 | 61 |
Swell 2 Height (m) Direction Period (s) | WSW 6 | WSW 6 | WSW 7 | SW 7 | SW 7 | SW 7 | WSW 7 | WSW 7 | E 9 | E 9 | E 9 | WSW 7 | SW 7 | SW 7 | SW 7 | SE 11 | E 9 | E 9 | SE 11 | SW 7 | SW 7 | SW 7 | E 9 | ENE 9 |
| kJ | 16 | 16 | 17 | 22 | 23 | 24 | 35 | 35 | 60 | 60 | 41 | 35 | 25 | 24 | 24 | 55 | 41 | 41 | 72 | 27 | 26 | 26 | 40 | 45 |
Swell 3 Height (m) Direction Period (s) | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | SE 9 | SE 9 | NW 7 | NW 7 | SE 10 | SE 10 | SE 10 | SE 10 | SW 7 | SW 7 | SW 8 | E 9 | E 9 | E 9 | E 9 | SW 7 | SW 7 |
| kJ | 16 | 15 | 15 | 14 | 19 | 19 | 18 | 22 | 22 | 17 | 17 | 32 | 46 | 34 | 49 | 25 | 27 | 28 | 40 | 40 | 40 | 40 | 25 | 26 |
Wind waves Height (m) Direction Period (s) | — | — | ESE 2 | SE 2 | SE 3 | SE 3 | — | ESE 3 | — | — | E 4 | ENE 3 | E 4 | E 4 | E 4 | E 5 | E 5 | E 5 | E 5 | E 5 | E 5 | E 5 | E 4 | E 3 |
| kJ | — | — | 1 | 1 | 2 | 2 | — | 2 | — | — | 2 | 3 | 6 | 12 | 13 | 15 | 16 | 16 | 16 | 11 | 11 | 7 | 6 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 229 | 229 | 229 | 229 | 227 | 229 | 0 | 229 | 229 | 229 | 229 | 2213 | 254 | 252 | 2175 | 243 | 252 | 254 | 254 | 229 | 2102 | 2213 | 2213 | 2213 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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