Surf Forecasts:
How big are the waves at Aligator Rock today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 1.5ft (0.5m), 15s period with SW swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 3ft (0.9m), 9s period with NE swell.
- Evening surf: Evening surf (12 Sep, local time) - 3ft (0.9m), 9s period with NNE swell.
The current surf forecast for Aligator Rock at 9PM is: 0.9m 9s primary swell from a North-northeast direction (forecast issued at 01:00pm September 12). An open ocean swell of 0.6m 10s is not directed at the surf break, a second open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 1.5ft (0.5m) | 15s |
| Afternoon (12 Sep) | 3ft (0.9m) | 9s |
| Evening (12 Sep) | 3ft (0.9m) | 9s |
Table - waves today at Aligator Rock. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Sat afternoon, min 24°C on Sat night). Wind will be generally light. | |||||||||||||||||||||
Sat 12 | Sunday 13 | Monday 14 | |||||||||||||||||||
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) | NNE 9 | NNE 9 | NE 9 | NE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 8 | NE 8 | NE 8 | SW 22 | NE 8 | SW 22 | SW 21 |
Wave Graph  | |||||||||||||||||||||
 kJ | 102 | 101 | 115 | 118 | 138 | 135 | 135 | 138 | 138 | 112 | 112 | 112 | 112 | 123 | 120 | 118 | 100 | 82 | 80 | 73 | 72 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | off | off | off | cross-off | off | off | off | cross-off | off | off | off | off | off | off | off | off | off | off |
High Tide | 3:39PM0.41m | 4:29AM0.46m | 4:07PM0.35m | 5:12AM0.47m | 4:34PM0.29m | ||||||||||||||||
Low Tide | 8:45AM0.10m | 8:51PM0.03m | 9:38AM0.13m | 9:14PM0.04m | 10:37AM0.16m | 9:38PM0.05m | |||||||||||||||
 | | |  | | | | | | | | | | | |  | | | | | | |
 | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:36 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 26 | 25 | 25 | 25 | 24 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 25 | 26 | 27 | 26 | 25 | 25 |
Feels °C | 27 | 28 | 26 | 26 | 26 | 27 | 26 | 26 | 27 | 26 | 27 | 25 | 25 | 26 | 25 | 26 | 26 | 27 | 26 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | ENE 10 | NNE 9 | NE 9 | NE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 |
| kJ | 128 | 101 | 115 | 118 | 138 | 135 | 135 | 138 | 138 | 112 | 112 | 112 | 112 | 123 | 120 | 118 | 100 | 82 | 80 | 69 | 67 |
Swell 2 Height (m) Direction Period (s) | NNE 9 | ENE 10 | SW 13 | ENE 10 | SW 13 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | NW 13 | ENE 9 | SSW 15 | ENE 8 | SW 12 | SW 14 | SSW 11 | SSW 14 | SW 22 | SW 22 | SW 22 | SW 21 |
| kJ | 96 | 128 | 45 | 71 | 44 | 46 | 46 | 27 | 26 | 28 | 26 | 21 | 24 | 24 | 51 | 13 | 19 | 79 | 119 | 73 | 72 |
Swell 3 Height (m) Direction Period (s) | SW 14 | SW 16 | SW 16 | SW 13 | SW 16 | SW 13 | SW 13 | SW 12 | SW 12 | SW 15 | SSW 15 | SSW 12 | SSW 12 | NW 12 | NW 12 | SSW 14 | SW 11 | SSW 14 | SSW 14 | WNW 11 | WNW 11 |
| kJ | 102 | 63 | 39 | 44 | 39 | 44 | 44 | 25 | 24 | 33 | 21 | 14 | 14 | 23 | 23 | 19 | 5 | 19 | 18 | 12 | 12 |
Wind waves Height (m) Direction Period (s) | — | — | ENE 10 | ENE 3 | ENE 9 | E 4 | E 4 | E 4 | E 4 | E 9 | E 4 | ENE 9 | E 4 | E 4 | E 4 | E 4 | ENE 5 | E 5 | E 5 | ENE 5 | ENE 4 |
| kJ | — | — | 125 | 3 | 84 | 11 | 12 | 13 | 14 | 78 | 8 | 58 | 6 | 12 | 13 | 18 | 35 | 28 | 22 | 22 | 27 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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