Surf Forecasts:
How big are the waves at Tank Beach today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 4ft (1.2m), 9s period with ENE swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 4ft (1.2m), 8s period with NE swell.
- Evening surf: Evening surf (20 Oct, local time) - 4.5ft (1.4m), 8s period with NE swell.
The current surf forecast for Tank Beach at 5PM is: 1.2m 8s primary swell from a Northeast direction (forecast issued at 09:00am October 20). An open ocean swell of 1.5m 12s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 4ft (1.2m) | 9s |
| Afternoon (20 Oct) | 4ft (1.2m) | 8s |
| Evening (20 Oct) | 4.5ft (1.4m) | 8s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 31mm), heaviest during Thu morning. Warm (max 28°C on Tue morning, min 27°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | ||||||||||||||||||||
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) | ENE 9 | ENE 9 | NE 8 | NE 8 | ENE 8 | NE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | NE 9 | ENE 9 | ENE 9 | NE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 186 | 197 | 211 | 206 | 235 | 288 | 322 | 322 | 377 | 411 | 492 | 416 | 439 | 525 | 482 | 528 | 541 | 541 | 591 | 549 | 549 | 601 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on |
High Tide | 4:28PM0.68m | 1:28AM0.57m | 4:48PM0.69m | 3:06AM0.57m | 5:04PM0.69m | |||||||||||||||||
Low Tide | 8:18AM0.23m | 10:14PM0.54m | 9:07AM0.25m | 10:45PM0.50m | 9:55AM0.29m | |||||||||||||||||
 |  | | |  | |  | |  | | | |  | | | | | | | | | | |
 | 6:09 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | 1 | — | — | — | 1 | 1 | — | — | — | — | 1 | — | — | — | 1 | 1 | 2 | 2 | 4 | 4 | 3 | 2 |
Temp °C | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 |
Feels °C | 31 | 30 | 31 | 31 | 29 | 30 | 30 | 30 | 29 | 28 | 30 | 30 | 30 | 28 | 28 | 28 | 28 | 28 | 27 | 29 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | WSW 11 | WSW 12 | WSW 12 | WSW 11 | WSW 12 | NE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | NE 9 | ENE 9 | ENE 9 | NE 9 | NE 9 | ENE 9 | W 11 | W 12 | W 12 | W 12 | W 12 | W 12 |
| kJ | 389 | 759 | 710 | 624 | 585 | 288 | 322 | 322 | 377 | 411 | 492 | 416 | 439 | 525 | 482 | 528 | 248 | 339 | 572 | 563 | 477 | 469 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | ENE 9 | NE 8 | NE 8 | ENE 8 | SW 9 | WSW 10 | SW 10 | SW 10 | WSW 10 | WSW 9 | WSW 10 | WSW 9 | W 11 | WSW 9 | W 11 | WSW 9 | WSW 9 | SE 10 | NNE 11 | NNE 11 | NNE 11 |
| kJ | 186 | 197 | 211 | 206 | 235 | 166 | 267 | 211 | 207 | 157 | 154 | 145 | 133 | 157 | 130 | 205 | 70 | 94 | 14 | 23 | 24 | 23 |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | WSW 11 | SE 10 | W 12 | W 12 | W 12 | W 12 | NNE 9 | W 11 | WSW 10 | W 12 | WSW 9 | SE 9 | SE 10 | N 12 | E 14 | NNE 11 | SE 9 |
| kJ | 92 | 76 | 58 | 58 | 57 | 170 | 33 | 103 | 180 | 221 | 178 | 110 | 118 | 117 | 174 | 94 | 14 | 14 | 24 | 4 | 24 | 14 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 541 | 541 | 591 | 549 | 549 | 601 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 227 | 249 | 227 | 227 | 227 | 227 | 249 | 249 | 227 | 2056 | 2063 | 2075 | 2075 | 1504 | 1504 | 1504 | 1504 | 1504 | 1504 | 1504 | 1491 | 227 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||
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