Surf Forecasts:
How big are the waves at Tank Beach today (01 Oct):
- Afternoon surf: Afternoon surf (01 Oct, local time) - 3.5ft (1.1m), 8s period with NE swell.
- Evening surf: Evening surf (01 Oct, local time) - 3.5ft (1.1m), 9s period with NE swell.
The current surf forecast for Tank Beach at 7PM is: 0.9m 8s primary swell from a Northeast direction and 0.5m 12s secondary swell from a North-northeast direction (forecast issued at 03:00pm October 01). An open ocean swell of 1.9m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Oct) | - | - |
| Afternoon (01 Oct) | 3.5ft (1.1m) | 8s |
| Evening (01 Oct) | 3.5ft (1.1m) | 9s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 256mm), heaviest during Thu night. Warm (max 29°C on Sat morning, min 25°C on Thu night). Winds decreasing (severe gales from the SW on Fri night, strong winds from the WSW by Sun morning). | ||||||||||||||||||||
Thu 1 | Friday 2 | Saturday 3 | ||||||||||||||||||
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) | NW 10 | NE 8 | NE 8 | NE 9 | NE 10 | NNE 10 | NNE 10 | N 9 | N 10 | NNW 10 | NNW 9 | NNW 9 | NNW 11 | NNW 10 | SE 12 | N 11 | NNW 10 | NNW 10 | N 10 | NNW 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 138 | 142 | 109 | 225 | 461 | 500 | 455 | 211 | 479 | 523 | 314 | 333 | 692 | 471 | 23 | 381 | 410 | 402 | 720 | 784 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 12:25PM0.69m | 9:17PM0.70m | 1:54PM0.70m | 9:59PM0.70m | 3:12PM0.71m | |||||||||||||||
Low Tide | 4:55PM0.61m | 5:28AM0.09m | 6:08PM0.64m | 6:30AM0.09m | 7:35PM0.65m | |||||||||||||||
 |  |  |  | | | | | | | |  | | | | | | | | | |
 | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | 6:06 | — | — | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:05 | — | — |
mm | 5 | 9 | 16 | 36 | 57 | 52 | 14 | 7 | 14 | 4 | 3 | 8 | 18 | 4 | 3 | 2 | 3 | 2 | 1 | 1 |
Temp °C | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 29 |
Feels °C | 25 | 21 | 19 | 17 | 18 | 17 | 18 | 17 | 18 | 19 | 17 | 16 | 22 | 22 | 21 | 23 | 23 | 23 | 23 | 25 |
Swell 1 Height (m) Direction Period (s) | NE 8 | NE 8 | NE 8 | NE 9 | NE 10 | NNE 10 | NNE 10 | N 9 | N 10 | NNW 10 | NNW 9 | NNW 9 | NNW 11 | NNW 10 | SE 12 | N 11 | NNW 10 | NNW 10 | N 10 | NNW 10 |
| kJ | 138 | 142 | 109 | 225 | 461 | 500 | 455 | 211 | 479 | 523 | 314 | 333 | 692 | 471 | 23 | 381 | 410 | 402 | 720 | 784 |
Swell 2 Height (m) Direction Period (s) | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NW 11 | E 11 | NW 8 | E 11 | E 11 | NNE 12 | NE 12 | ESE 13 | ESE 13 | E 16 | SE 11 | ENE 16 | ENE 16 | ENE 16 | ENE 16 |
| kJ | 87 | 85 | 83 | 153 | 127 | 5 | 10 | 70 | 9 | 9 | 14 | 22 | 17 | 16 | 20 | 20 | 53 | 50 | 48 | 86 |
Swell 3 Height (m) Direction Period (s) | NW 11 | SE 10 | NNW 6 | NW 9 | NW 9 | E 11 | E 11 | NNE 11 | E 11 | SE 14 | E 11 | ESE 13 | E 12 | E 15 | E 12 | E 16 | SE 11 | SE 11 | SE 11 | SE 11 |
| kJ | 43 | 14 | 6 | 31 | 13 | 10 | 2 | 130 | 9 | 7 | 10 | 17 | 11 | 17 | 3 | 21 | 19 | 19 | 19 | 18 |
Wind waves Height (m) Direction Period (s) | NW 10 | WNW 4 | W 5 | W 6 | W 7 | WSW 7 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 |
| kJ | 137 | 65 | 209 | 398 | 617 | 943 | 1572 | 2347 | 3535 | 4811 | 5533 | 6121 | 6425 | 6086 | 5521 | 4376 | 4182 | 3593 | 3163 | 2605 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 2231 | 2213 | 2213 | 2056 | 2213 | 2213 | 2056 | 2063 | 2067 | 2067 | 2234 | 2231 | 2075 | 2082 | 2075 | 2056 | 2238 | 2060 | 2239 | 2060 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||
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