Surf Forecasts:
How big are the waves at Aligator Rock today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 2.5ft (0.7m), 7s period with NE swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 1ft (0.3m), 12s period with WNW swell.
- Evening surf: Evening surf (19 Aug, local time) - 0.5ft (0.2m), 11s period with WNW swell.
The current surf forecast for Aligator Rock at 8PM is: 0.2m 11s primary swell from a West-northwest direction and 0.2m 7s secondary swell from a West-southwest direction (forecast issued at 01:00pm August 19). An open ocean swell of 1.2m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 2.5ft (0.7m) | 7s |
| Afternoon (19 Aug) | 1ft (0.3m) | 12s |
| Evening (19 Aug) | 0.5ft (0.2m) | 11s |
Table - waves today at Aligator Rock. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Wed afternoon, min 24°C on Wed night). Wind will be generally light. | |||||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | |||||||||||||||||||
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) | SW 16 | WNW 12 | WNW 11 | WNW 11 | NE 6 | NE 6 | NE 6 | NE 6 | NE 7 | NE 7 | W 11 | WSW 10 | WSW 10 | NNE 7 | SW 16 | SW 17 | W 11 | W 11 | W 11 | W 11 | SW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 43 | 27 | 25 | 12 | 54 | 58 | 58 | 59 | 73 | 77 | 36 | 33 | 31 | 51 | 133 | 135 | 57 | 57 | 57 | 56 | 124 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross-off | cross-off | off | off | off | off | off |
High Tide | 9:05AM0.42m | 10:17AM0.44m | 8:42PM0.16m | 11:18AM0.46m | 10:56PM0.16m | ||||||||||||||||
Low Tide | 00:40AM0.08m | 6:18PM0.16m | 1:46AM0.09m | 6:29PM0.13m | |||||||||||||||||
 | | |  | | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 26 | 25 | 25 | 24 | 24 | 25 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 26 |
Feels °C | 27 | 27 | 26 | 26 | 26 | 25 | 26 | 27 | 29 | 29 | 30 | 29 | 30 | 29 | 29 | 30 | 30 | 30 | 30 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | NE 6 | SW 16 | WNW 11 | WNW 11 | NE 6 | E 8 | E 8 | NE 6 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | NE 7 | NE 7 | NNE 7 | NNE 7 | SW 16 |
| kJ | 43 | 67 | 25 | 12 | 54 | 104 | 102 | 59 | 73 | 77 | 160 | 164 | 142 | 91 | 68 | 64 | 49 | 47 | 41 | 30 | 124 |
Swell 2 Height (m) Direction Period (s) | WNW 12 | WNW 12 | SSW 16 | WSW 7 | WSW 8 | NE 6 | NE 6 | E 8 | E 8 | E 8 | W 11 | WSW 10 | WSW 10 | NNE 7 | NNE 7 | NNE 7 | ENE 7 | W 11 | W 11 | W 11 | W 10 |
| kJ | 28 | 27 | 25 | 5 | 6 | 58 | 58 | 80 | 57 | 54 | 36 | 33 | 31 | 51 | 40 | 42 | 36 | 57 | 57 | 56 | 33 |
Swell 3 Height (m) Direction Period (s) | SW 16 | WSW 7 | WSW 7 | SSW 16 | SSW 16 | SW 16 | SW 17 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | W 9 | SW 16 | SW 17 | W 11 | SW 16 | SW 16 | SSW 16 | SW 9 |
| kJ | 41 | 5 | 5 | 25 | 25 | 67 | 71 | 78 | 79 | 78 | 76 | 70 | 68 | 28 | 133 | 135 | 57 | 68 | 64 | 98 | 3 |
Wind waves Height (m) Direction Period (s) | E 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | — | — | — | — | — | — | — | — | — | — | — | — | E 7 | E 7 | E 7 | ENE 7 |
| kJ | 115 | 176 | 176 | 176 | 104 | — | — | — | — | — | — | — | — | — | — | — | — | 68 | 108 | 103 | 161 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 5 | 20 | 20 | 2 | 1 | 1 | 1 | 1 | 0 | 6 | 1 | 1 | 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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