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Keaulanas Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Keaulanas surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Sunday 17 May 2026 HSTForecast update in hr min s Forecast update imminent
Keaulanas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Keaulanas sea temperature is
25.5° C
(Which is normal for this time of year)How big are the waves at Keaulanas today?
The current surf forecast for Keaulanas at 11PM is: 0.8m 15s primary swell from a South-southwest direction (forecast issued at 07:00pm May 17). An open ocean swell of 0.7m 8s 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 (17 May) | - | - |
| Afternoon (17 May) | 2.5ft (0.8m) | 15s |
| Evening (17 May) | 2.5ft (0.8m) | 15s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 26°C on Sun night, min 24°C on Sun night). Winds increasing (light winds from the ENE on Sun night, fresh winds from the ENE by Wed afternoon). | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 19 | SSW 19 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 18 | SSW 18 | SSW 14 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | |
249 | 246 | 242 | 239 | 233 | 233 | 251 | 251 | 212 | 163 | 161 | 161 | 163 | 273 | 207 | 178 | 239 | 249 | 242 | 252 | 169 | 183 | 163 | 158 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | |
High Tide | 4:54PM0.83m | 4:11AM0.22m | 5:43PM0.81m | 5:06AM0.20m | 6:35PM0.78m | 6:18AM0.19m | ||||||||||||||||||
Low Tide | 00:36AM0.15m | 9:45AM-0.02m | 1:40AM0.14m | 10:27AM0.02m | 2:45AM0.14m | 11:14AM0.07m | ||||||||||||||||||
 |  | |  | |  | |  | | | | |  | | | | | | | | |  | | | |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — |
 | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | 7:05 |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 27 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 24 | 24 | 24 | 24 | 24 | 25 | 25 |
29 | 28 | 27 | 25 | 25 | 25 | 25 | 25 | 25 | 23 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 23 | 23 | 22 | |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | NE 8 | NE 7 | NE 8 | NE 8 | NE 7 | NE 7 | NE 7 | NE 6 | NE 6 | NE 6 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 |
 kJ | 249 | 246 | 242 | 67 | 79 | 82 | 82 | 77 | 69 | 54 | 49 | 47 | 39 | 173 | 175 | 178 | 239 | 249 | 242 | 252 | 169 | 183 | 163 | 158 |
Swell 2 Height (m) Direction Period (s) | NE 8 | NE 8 | NE 8 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | NE 6 | NE 6 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 |
| kJ | 63 | 63 | 63 | 239 | 233 | 233 | 233 | 229 | 168 | 163 | 161 | 161 | 163 | 32 | 32 | 90 | 75 | 76 | 76 | 97 | 92 | 67 | 69 | 95 |
Swell 3 Height (m) Direction Period (s) | NNW 10 | SW 21 | NNW 9 | NNW 9 | SSE 7 | SSE 7 | SSW 19 | SSW 19 | SSW 19 | SSE 7 | NW 12 | SSW 17 | SSW 17 | SSW 18 | SSW 18 | SSW 18 | SSE 9 | SE 7 | SSE 6 | SSE 9 | SSE 9 | NNW 12 | SSE 9 | SSW 18 |
| kJ | 55 | 224 | 35 | 33 | 16 | 19 | 251 | 251 | 212 | 19 | 35 | 92 | 97 | 273 | 207 | 176 | 32 | 11 | 7 | 17 | 17 | 28 | 16 | 63 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 6 | NE 6 | ENE 6 | ENE 6 | NE 6 | NE 8 | ENE 8 | ENE 7 | ENE 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 40 | 51 | 44 | 49 | 59 | 91 | 106 | 140 | 172 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 2 | 2 | 5 | 2 | 0 | 0 | 0 | 2 | 9 | 13 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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