Surf Forecasts:
How big are the waves at Aligator Rock today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 1.5ft (0.5m), 10s period with N swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 1.5ft (0.4m), 10s period with NNW swell.
- Evening surf: Evening surf (20 Oct, local time) - 1.5ft (0.4m), 10s period with NNW swell.
The current surf forecast for Aligator Rock at 1PM is: 0.4m 10s primary swell from a North-northwest direction and 0.4m 10s secondary swell from a Northwest direction (forecast issued at 07:00am October 20). An open ocean swell of 2.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 1.5ft (0.5m) | 10s |
| Afternoon (20 Oct) | 1.5ft (0.4m) | 10s |
| Evening (20 Oct) | 1.5ft (0.4m) | 10s |
Table - waves today at Aligator Rock. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Tue morning, min 24°C on Tue night). Mainly fresh winds. | |||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | |||||||||||||||||||||
5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | N 11 | N 10 | N 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | N 10 | N 10 | N 9 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 13 | NW 11 | NW 11 | NW 12 | NW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 58 | 56 | 54 | 34 | 34 | 33 | 33 | 30 | 30 | 16 | 25 | 24 | 24 | 23 | 37 | 51 | 47 | 60 | 44 | 59 | 77 | 114 | 114 |
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 | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 11:04AM0.44m | 00:08AM0.28m | 11:43AM0.43m | 00:41AM0.34m | 12:19PM0.41m | ||||||||||||||||||
Low Tide | 3:05AM0.15m | 5:08PM0.06m | 4:13AM0.13m | 5:27PM0.05m | 5:12AM0.12m | 5:46PM0.03m | |||||||||||||||||
 |  |  | | | |  | | | | | | | | | | | | | | | | | |
 | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — |
 | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 26 | 26 | 25 | 24 | 24 |
Feels °C | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 25 | 24 | 23 | 23 | 23 | 24 | 25 | 24 | 27 | 26 | 25 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | N 11 | N 10 | N 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | N 10 | N 10 | N 9 | N 9 | N 9 | N 9 | N 9 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | ENE 8 | NW 12 | NW 12 |
| kJ | 58 | 56 | 54 | 34 | 34 | 33 | 33 | 30 | 30 | 16 | 15 | 14 | 14 | 14 | 37 | 51 | 47 | 60 | 42 | 59 | 186 | 114 | 114 |
Swell 2 Height (m) Direction Period (s) | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 13 | NW 12 | NW 12 | NW 12 | N 9 | N 9 | N 8 | N 8 | NW 13 | E 13 | NW 11 | E 14 | NE 14 |
| kJ | 36 | 35 | 35 | 24 | 15 | 13 | 13 | 13 | 13 | 12 | 25 | 24 | 24 | 23 | 14 | 13 | 12 | 5 | 44 | 31 | 77 | 33 | 33 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 16 | SSW 17 | SW 14 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | E 14 | SSW 13 | E 12 |
| kJ | 25 | 25 | 25 | 28 | 8 | 22 | 24 | 24 | 24 | 24 | 24 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 19 | 32 | 18 | 27 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | ENE 8 | ENE 8 |
| kJ | 555 | 539 | 525 | 525 | 557 | 540 | 588 | 555 | 450 | 464 | 422 | 408 | 358 | 358 | 322 | 288 | 263 | 250 | 214 | 214 | — | 161 | 191 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 22 | 22 | 168 | 165 | 165 | 22 | 20 | 20 | 22 | 20 | 20 | 20 | 20 | 20 | 2 | 2 | 1 | 2 | 0 | 1 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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