Surf Forecasts:
How big are the waves at Tank Beach today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 3ft (0.9m), 8s period with NE swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 3ft (0.9m), 8s period with NE swell.
- Evening surf: Evening surf (19 Aug, local time) - 3.5ft (1.1m), 6s period with NE swell.
The current surf forecast for Tank Beach at 1AM is: 0.6m 8s primary swell from a North-northeast direction and 0.2m 3s secondary swell from a East-northeast direction (forecast issued at 09:00pm August 18). An open ocean swell of 1.1m 8s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 3ft (0.9m) | 8s |
| Afternoon (19 Aug) | 3ft (0.9m) | 8s |
| Evening (19 Aug) | 3.5ft (1.1m) | 6s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 35mm), heaviest during Tue night. Warm (max 29°C on Tue night, min 28°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 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) | NNE 9 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NE 8 | SE 10 | NE 8 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 |
Wave Graph  | ||||||||||||||||||
 kJ | 49 | 48 | 47 | 47 | 47 | 118 | 35 | 112 | 80 | 93 | 93 | 90 | 80 | 93 | 96 | 88 | 91 | 94 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 11:07PM0.70m | 2:04PM0.57m | 11:30PM0.68m | 4:00PM0.59m | ||||||||||||||
Low Tide | 5:01PM0.48m | 6:43AM0.26m | 5:38PM0.54m | 7:35AM0.23m | 6:24PM0.58m | |||||||||||||
 |  | | |  | |  |  | | |  | | | | | | | | |
 | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | 3 | 6 | 2 | 2 | 2 | — | — | — | 1 | — | 1 | 2 | 2 | 3 | 2 | 1 | 1 |
Temp °C | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
Feels °C | 33 | 33 | 32 | 33 | 33 | 31 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 31 | 32 | 33 | 33 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | NE 6 | W 9 | NE 6 | NE 6 | NE 6 | NE 6 |
| kJ | 165 | 163 | 163 | 167 | 171 | 171 | 145 | 145 | 145 | 142 | 112 | 112 | 80 | 152 | 96 | 88 | 91 | 94 |
Swell 2 Height (m) Direction Period (s) | NNE 9 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | E 9 | NE 8 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | W 8 | SE 9 | W 9 | WSW 9 | WSW 8 | WSW 8 |
| kJ | 49 | 48 | 47 | 47 | 47 | 14 | 35 | 35 | 35 | 34 | 47 | 23 | 115 | 43 | 81 | 79 | 75 | 73 |
Swell 3 Height (m) Direction Period (s) | E 8 | E 9 | E 9 | E 9 | E 9 | SE 9 | SE 10 | E 9 | E 9 | E 9 | E 9 | E 9 | SSE 10 | E 9 | WSW 9 | W 9 | W 9 | W 9 |
| kJ | 23 | 25 | 25 | 24 | 14 | 21 | 34 | 14 | 14 | 14 | 14 | 14 | 36 | 14 | 80 | 78 | 76 | 54 |
Wind waves Height (m) Direction Period (s) | ENE 3 | — | ENE 3 | — | — | NE 8 | NE 5 | NE 8 | NE 6 | NE 6 | NE 6 | NE 6 | — | NE 6 | — | — | — | — |
| kJ | 1 | — | 1 | — | — | 118 | 26 | 112 | 80 | 93 | 93 | 90 | — | 93 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 242 | 237 | 237 | 2107 | 2216 | 2102 | 2216 | 2286 | 2246 | 2214 | 249 | 2228 | 2093 | 2228 | 2194 | 2214 | 1491 | 1491 |
Best forecast wave conditions in Saipan | ||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||
Header Global | ||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Tank Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest