Surf Forecasts:
How big are the waves at Aligator Rock today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 1.5ft (0.4m), 13s period with WNW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 1.5ft (0.4m), 13s period with WNW swell.
- Evening surf: Evening surf (18 Jul, local time) - 1ft (0.3m), 13s period with WNW swell.
The current surf forecast for Aligator Rock at 2PM is: 0.4m 13s primary swell from a West-northwest direction (forecast issued at 07:00am July 18). An open ocean swell of 0.3m 14s is not directed at the surf break, a second open ocean swell of 1.9m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 1.5ft (0.4m) | 13s |
| Afternoon (18 Jul) | 1.5ft (0.4m) | 13s |
| Evening (18 Jul) | 1ft (0.3m) | 13s |
Table - waves today at Aligator Rock. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Sat morning, min 24°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
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) | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | NNE 8 | NE 8 | NNE 8 | W 12 | W 12 | W 12 | W 12 | W 11 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 58 | 57 | 57 | 57 | 57 | 57 | 33 | 32 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 23 | 28 | 51 | 11 | 11 | 11 | 10 | 10 |
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 | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | off |
High Tide | 6:34AM0.28m | 6:07PM0.44m | 7:43AM0.32m | 6:39PM0.37m | 8:56AM0.36m | 7:10PM0.29m | |||||||||||||||||
Low Tide | 10:35AM0.13m | 00:06AM0.02m | 11:50AM0.19m | 00:38AM0.03m | 1:37PM0.23m | ||||||||||||||||||
 |  | | | |  | | | | | | | | | | | | |  | | | | | |
 | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — |
 | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 25 | 24 | 24 |
Feels °C | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 24 | 23 | 25 | 24 | 25 | 25 | 24 | 23 | 24 | 23 | 25 | 26 | 24 | 23 | 24 |
Swell 1 Height (m) Direction Period (s) | NNE 8 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | NNE 7 | NNE 7 | WNW 12 | NNE 8 | NNE 8 | WNW 12 | WNW 12 | NNE 8 | NE 8 | NNE 8 | SSW 12 | SSW 18 | SSW 18 | SSW 11 | SSW 17 |
| kJ | 32 | 57 | 57 | 57 | 57 | 57 | 33 | 32 | 27 | 29 | 29 | 12 | 13 | 29 | 28 | 23 | 28 | 51 | 13 | 31 | 31 | 12 | 28 |
Swell 2 Height (m) Direction Period (s) | WNW 13 | SSW 11 | SSW 14 | SSW 14 | NNE 8 | NNE 8 | NNE 8 | SSW 14 | WNW 12 | WNW 12 | SSW 11 | WNW 12 | WNW 12 | SSW 13 | SSW 13 | WNW 12 | W 12 | SSW 12 | SSW 18 | SSW 11 | SSW 11 | SSW 18 | W 11 |
| kJ | 58 | 12 | 41 | 41 | 14 | 14 | 14 | 19 | 29 | 29 | 12 | 29 | 29 | 17 | 17 | 14 | 11 | 14 | 32 | 12 | 12 | 30 | 10 |
Swell 3 Height (m) Direction Period (s) | SW 15 | SSW 15 | SSW 11 | NNE 9 | SSW 14 | SSW 12 | SSW 14 | SSW 11 | SSW 14 | SSW 12 | SSW 14 | SSW 13 | SSW 13 | SW 19 | SW 19 | SSW 12 | SSW 12 | W 12 | W 12 | W 12 | W 12 | W 12 | SSW 10 |
| kJ | 56 | 21 | 11 | 8 | 41 | 14 | 40 | 12 | 19 | 13 | 18 | 17 | 17 | 15 | 14 | 15 | 14 | 11 | 11 | 11 | 11 | 10 | 11 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 222 | 302 | 320 | 394 | 427 | 385 | 406 | 392 | 295 | 295 | 310 | 310 | 302 | 277 | 277 | 257 | 218 | 169 | 214 | 220 | 242 | 214 | 197 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 20 | 20 | 20 | 20 | 2 | 20 | 20 | 2 | 2 | 20 | 20 | 22 | 22 | 20 | 20 | 22 | 2 | 20 | 22 | 20 | 20 | 20 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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