
Surf Forecasts:
How big are the waves at Tank Beach today (18 Sep):
- Afternoon surf: Afternoon surf (18 Sep, local time) - 3ft (0.9m), 8s period with N swell.
- Evening surf: Evening surf (18 Sep, local time) - 2ft (0.6m), 11s period with ENE swell.
The current surf forecast for Tank Beach at 8PM is: 0.6m 11s primary swell from a East-northeast direction and 0.8m 8s secondary swell from a North direction (forecast issued at 03:00pm September 18). An open ocean swell of 1.1m 8s is not directed at the surf break, a second open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | - | - |
| Afternoon (18 Sep) | 3ft (0.9m) | 8s |
| Evening (18 Sep) | 2ft (0.6m) | 11s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Sun night. Warm (max 29°C on Fri afternoon, min 29°C on Fri afternoon). Wind will be generally light. | ||||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 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 10 | N 8 | ENE 11 | ENE 11 | ENE 11 | N 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NE 10 | NNW 8 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NE 10 | NE 10 |
Wave Graph | ||||||||||||||||||||
201 | 95 | 79 | 78 | 82 | 76 | 79 | 87 | 93 | 119 | 122 | 125 | 128 | 134 | 221 | 235 | 235 | 196 | 188 | 181 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | glassy | glassy | glassy | glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:20PM0.63m | 10:38PM0.64m | 4:27PM0.64m | 11:24PM0.63m | 5:13PM0.65m | |||||||||||||||
Low Tide | 6:46PM0.61m | 7:30AM0.19m | 8:11PM0.61m | 8:27AM0.19m | 9:25PM0.60m | |||||||||||||||
— | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | |
— | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | |
mm | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 2 | 1 |
Temp °C | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
Feels °C | 30 | 30 | 31 | 31 | 31 | 32 | 32 | 33 | 33 | 33 | 34 | 34 | 35 | 35 | 34 | 33 | 33 | 33 | 33 | 33 |
Swell 1 Height (m) Direction Period (s) | NNE 10 | N 8 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NE 10 | NE 10 |
201 | 95 | 166 | 162 | 162 | 147 | 147 | 147 | 126 | 123 | 122 | 125 | 128 | 134 | 221 | 235 | 235 | 192 | 188 | 181 | |
Swell 2 Height (m) Direction Period (s) | SW 9 | SW 8 | N 7 | N 8 | N 8 | N 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | WSW 8 | WSW 8 | SW 8 | SW 8 | NE 11 | NE 11 | NE 10 | NE 10 | NNW 9 | NNW 9 |
132 | 97 | 70 | 74 | 76 | 76 | 79 | 87 | 93 | 119 | 123 | 123 | 100 | 100 | 191 | 187 | 177 | 196 | 180 | 148 | |
Swell 3 Height (m) Direction Period (s) | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | NE 10 | NE 10 | NE 10 | NE 10 | NE 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SW 8 | SW 8 |
49 | 85 | 79 | 78 | 82 | 44 | 64 | 58 | 37 | 85 | 84 | 80 | 115 | 81 | 86 | 86 | 84 | 84 | 64 | 62 | |
Wind waves Height (m) Direction Period (s) | WSW 4 | WSW 4 | W 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
15 | 14 | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 227 | 227 | 227 | 237 | 237 | 237 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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