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Surf Forecasts:
Ranches surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Tuesday 12 May 2026 HSTForecast update in hr min s Forecast update imminent
Ranches surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ranches sea temperature is
25.3° C
(Which is normal for this time of year)How big are the waves at Ranches today?
The current surf forecast for Ranches at 9PM is: 0.9m 10s primary swell from a North-northwest direction and 1.0m 6s secondary swell from a Northeast direction (forecast issued at 01:00pm May 12). An open ocean swell of 0.4m 16s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 2ft (0.6m) | 11s |
| Afternoon (12 May) | 3ft (0.9m) | 10s |
| Evening (12 May) | 3ft (0.9m) | 10s |
Table - waves today at Ranches. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Fri morning. Warm (max 27°C on Thu afternoon, min 23°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NW 9 | N 9 | NW 17 | NW 16 | NW 16 | NW 15 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | |
115 | 149 | 157 | 154 | 151 | 120 | 103 | 98 | 73 | 71 | 39 | 28 | 138 | 271 | 314 | 441 | 509 | 631 | 742 | 691 | 661 | 642 | 501 | 479 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | off | off | off | cross-off | off | cross-off | |
High Tide | 1:50PM0.40m | 1:09AM0.31m | 2:29PM0.49m | 1:54AM0.26m | 3:10PM0.58m | 2:39AM0.21m | ||||||||||||||||||
Low Tide | 7:47PM0.10m | 7:28AM-0.09m | 8:52PM0.07m | 7:58AM-0.12m | 9:55PM0.04m | |||||||||||||||||||
 | | |  | | |  | | | | | | | | |  | | | | | | | |  | |
 | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — |
 | — | — | 7:01 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | 7:04 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 26 | 26 | 25 | 24 | 23 | 23 | 23 | 24 | 26 | 26 | 25 | 24 | 23 | 24 | 24 | 24 | 25 | 27 | 26 | 25 | 24 | 24 | 24 | 24 |
25 | 23 | 23 | 24 | 22 | 23 | 22 | 23 | 25 | 24 | 24 | 23 | 22 | 24 | 24 | 24 | 25 | 26 | 24 | 25 | 25 | 25 | 25 | 25 | |
Swell 1 Height (m) Direction Period (s) | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NW 9 | SSW 14 | NW 17 | NW 16 | NW 16 | NE 7 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 |
 kJ | 115 | 149 | 157 | 154 | 151 | 120 | 103 | 98 | 73 | 71 | 39 | 82 | 138 | 271 | 314 | 96 | 509 | 631 | 742 | 691 | 661 | 642 | 501 | 479 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | ESE 7 | S 15 | S 14 | SSW 15 | SSW 14 | N 9 | SSW 14 | N 8 | N 8 | NW 15 | SSW 14 | N 8 | SE 9 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 |
| kJ | 127 | 131 | 129 | 79 | 72 | 69 | 19 | 67 | 66 | 84 | 82 | 24 | 81 | 32 | 33 | 441 | 78 | 22 | 21 | 71 | 43 | 46 | 50 | 38 |
Swell 3 Height (m) Direction Period (s) | NW 11 | NW 10 | S 11 | SW 16 | SE 9 | SSW 15 | S 15 | SW 16 | SW 15 | S 14 | N 9 | NW 9 | NW 9 | SE 7 | SSW 14 | SSW 14 | NW 11 | SW 14 | SW 14 | SE 10 | N 8 | SW 16 | SW 16 | SW 16 |
| kJ | 40 | 35 | 10 | 65 | 19 | 42 | 38 | 63 | 56 | 36 | 26 | 28 | 20 | 27 | 81 | 113 | 43 | 50 | 47 | 23 | 22 | 132 | 129 | 127 |
Wind waves Height (m) Direction Period (s) | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | ENE 6 | NE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | NE 6 | NE 7 | NE 6 | NE 6 | E 7 | NE 7 | NE 7 | NE 7 | — | — | — | — | — |
| kJ | 103 | 95 | 85 | 85 | 62 | 65 | 53 | 58 | 73 | 91 | 96 | 85 | 128 | 72 | 68 | 183 | 75 | 88 | 96 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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