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Surf Forecasts:
Aligator Rock surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Saturday 16 May 2026 HSTForecast update in hr min s Forecast update imminent
Aligator Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aligator Rock sea temperature is
25.2° C
(Which is normal for this time of year)How big are the waves at Aligator Rock today?
The current surf forecast for Aligator Rock at 12PM is: 0.7m 11s primary swell from a Northwest direction (forecast issued at 07:00am May 16). An open ocean swell of 0.4m 15s is not directed at the surf break, a second open ocean swell of 1.9m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 2.5ft (0.7m) | 11s |
| Afternoon (16 May) | 2ft (0.6m) | 11s |
| Evening (16 May) | 2.5ft (0.7m) | 11s |
Table - waves today at Aligator Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Sat afternoon. Warm (max 26°C on Sun afternoon, min 23°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NW 16 | NW 16 | NW 15 | NW 15 | NW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 11 | |
145 | 123 | 121 | 96 | 94 | 115 | 69 | 68 | 68 | 68 | 67 | 65 | 38 | 66 | 64 | 56 | 54 | 49 | 45 | 42 | 38 | 37 | 67 | 43 | |
Wind (km/h) | ||||||||||||||||||||||||
off | 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 | 2:07AM0.17m | 3:16PM0.60m | 2:55AM0.13m | 4:02PM0.61m | 3:47AM0.11m | 4:52PM0.60m | ||||||||||||||||||
Low Tide | 6:43AM-0.10m | 9:31PM0.01m | 7:21AM-0.10m | 10:30PM0.01m | 8:03AM-0.09m | 11:31PM0.00m | ||||||||||||||||||
 |  | |  | |  |  | | |  | | | | | | |  | | | | | | | | |
 | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | 5:52 |
 | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — | 7:05 |
— | — | — | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 23 | 24 | 25 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 24 |
25 | 25 | 26 | 26 | 27 | 27 | 26 | 26 | 24 | 24 | 25 | 26 | 25 | 24 | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 24 | 24 | 23 | |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | E 8 | E 8 | ENE 8 | ENE 8 | NNW 10 | NNW 10 | ENE 8 | NNW 10 | NNW 9 | NNW 9 | SW 14 | SW 14 | SW 14 | SW 14 | NW 12 | NW 12 | NW 12 | NW 11 |
 kJ | 145 | 123 | 121 | 96 | 94 | 115 | 383 | 349 | 318 | 318 | 67 | 65 | 286 | 37 | 34 | 32 | 51 | 51 | 50 | 50 | 38 | 37 | 67 | 43 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | SW 14 | SW 14 | NNW 10 | SW 14 | SW 14 | SW 14 | NW 9 | NW 9 | NW 13 | NW 13 | SW 14 | SW 14 | SW 14 | SW 14 |
| kJ | 29 | 63 | 57 | 55 | 55 | 54 | 69 | 68 | 68 | 68 | 54 | 54 | 38 | 54 | 53 | 52 | 21 | 21 | 45 | 42 | 49 | 48 | 47 | 46 |
Swell 3 Height (m) Direction Period (s) | NNW 14 | NNW 13 | NNW 13 | NW 13 | S 10 | S 10 | SSW 15 | SSW 15 | SW 14 | SW 14 | NNW 18 | NNW 18 | SW 14 | NW 16 | NW 16 | NW 15 | NW 15 | NW 14 | SW 19 | SW 19 | SSW 19 | NNW 8 | NNW 8 | NNW 13 |
| kJ | 19 | 35 | 17 | 7 | 2 | 2 | 43 | 21 | 54 | 54 | 31 | 30 | 54 | 66 | 64 | 56 | 54 | 49 | 96 | 96 | 37 | 7 | 7 | 17 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | — | — | — | ENE 8 | ENE 8 | — | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 |
| kJ | 441 | 453 | 464 | 464 | 428 | 428 | — | — | — | — | 318 | 280 | — | 367 | 497 | 535 | 588 | 526 | 485 | 485 | 427 | 427 | 374 | 365 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 2 | 20 | 20 | 20 | 20 | 2 | 2 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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