Surf Forecasts:
How big are the waves at Tank Beach today (18 Aug):
- Afternoon surf: Afternoon surf (18 Aug, local time) - 2ft (0.6m), 9s period with NNE swell.
- Evening surf: Evening surf (18 Aug, local time) - 2ft (0.6m), 8s period with NNE swell.
The current surf forecast for Tank Beach at 10PM 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 03:00pm 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 (18 Aug) | - | - |
| Afternoon (18 Aug) | 2ft (0.6m) | 9s |
| Evening (18 Aug) | 2ft (0.6m) | 8s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 47mm), heaviest during Tue night. Warm (max 29°C on Tue afternoon, min 29°C on Tue afternoon). Wind will be generally light. | ||||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||
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) | NNE 9 | NNE 9 | NNE 9 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NE 8 | NE 8 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 52 | 50 | 49 | 48 | 47 | 47 | 47 | 47 | 35 | 132 | 62 | 75 | 82 | 82 | 84 | 87 | 109 | 103 | 106 | 109 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 12:18PM0.58m | 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 | — | — | — | — | — | — |
 | — | 6:38 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | 2 | — | — | 2 | 6 | 4 | 2 | 1 | — | — | — | 1 | 4 | 5 | 4 | 1 | 3 | 2 | 2 | 3 |
Temp °C | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
Feels °C | 34 | 33 | 32 | 33 | 32 | 33 | 33 | 31 | 31 | 31 | 32 | 32 | 31 | 30 | 31 | 31 | 31 | 31 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 9 | W 9 | NE 6 | WSW 8 | WSW 9 |
| kJ | 191 | 191 | 163 | 165 | 163 | 167 | 171 | 171 | 145 | 145 | 145 | 142 | 112 | 112 | 115 | 78 | 101 | 103 | 75 | 65 |
Swell 2 Height (m) Direction Period (s) | NNE 9 | NNE 9 | NNE 9 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NE 8 | SE 10 | NE 8 | NE 8 | SE 10 | SSE 10 | SE 9 | WSW 9 | WSW 9 | W 8 | W 9 | W 8 |
| kJ | 52 | 50 | 49 | 48 | 47 | 47 | 47 | 47 | 35 | 35 | 33 | 32 | 47 | 36 | 43 | 58 | 62 | 92 | 56 | 69 |
Swell 3 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | SE 9 | SE 9 | E 9 | SE 10 | SE 10 | E 9 | E 6 | E 9 | SE 9 | SE 9 | WSW 9 | SE 9 | SE 9 |
| kJ | 22 | 22 | 23 | 25 | 25 | 14 | 14 | 21 | 22 | 14 | 35 | 34 | 14 | 5 | 14 | 43 | 42 | 47 | 21 | 21 |
Wind waves Height (m) Direction Period (s) | — | — | ENE 3 | ENE 3 | NE 3 | NE 3 | NE 3 | NE 4 | ENE 4 | NE 8 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | — | NE 6 | NE 7 |
| kJ | — | — | 1 | 1 | 1 | 1 | 3 | 7 | 12 | 132 | 62 | 75 | 82 | 82 | 84 | 87 | 109 | — | 106 | 109 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 237 | 2216 | 2216 | 237 | 237 | 2216 | 2214 | 2102 | 2216 | 2231 | 2246 | 2231 | 249 | 237 | 237 | 1504 | 1491 | 2214 | 252 | 249 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||
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