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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 1 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 6PM is: 0.8m 15s primary swell from a South-southwest direction (forecast issued at 01:00pm May 17). An open ocean swell of 0.7m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 1.5ft (0.5m) | 14s |
| 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 27°C on Sun afternoon, min 23°C on Tue night). Winds increasing (calm on Sun afternoon, fresh winds from the ENE by Wed morning). | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSW 15 | SSW 15 | 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 14 | SSW 14 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | |
131 | 246 | 249 | 246 | 242 | 239 | 233 | 233 | 251 | 251 | 212 | 163 | 161 | 161 | 163 | 273 | 226 | 229 | 301 | 249 | 246 | 249 | 169 | 236 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | 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 | cross-off | cross-off | cross-off | cross-off | 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 | 9:05AM-0.03m | 00:36AM0.15m | 9:45AM-0.02m | 1:40AM0.14m | 10:27AM0.02m | 2:45AM0.14m | ||||||||||||||||||
 |  | |  | |  | | | | | | | |  | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — |
 | — | — | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | 7:05 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 27 | 27 | 25 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 24 | 24 | 24 | 23 | 24 |
29 | 30 | 29 | 27 | 27 | 25 | 25 | 24 | 25 | 25 | 25 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 23 | 23 | 23 | 22 | 23 | |
Swell 1 Height (m) Direction Period (s) | NNE 7 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | NE 8 | NE 8 | NE 8 | NE 7 | SSW 14 | SSW 14 | NE 7 | NE 7 | NE 6 | NE 6 | NE 7 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 |
 kJ | 25 | 246 | 249 | 246 | 242 | 61 | 67 | 67 | 65 | 229 | 168 | 65 | 52 | 49 | 49 | 54 | 226 | 229 | 301 | 249 | 246 | 249 | 169 | 236 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | NNE 6 | NE 8 | NE 8 | NE 8 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 19 | SSW 19 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 18 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 |
| kJ | 68 | 24 | 63 | 63 | 63 | 239 | 233 | 233 | 233 | 251 | 212 | 163 | 161 | 161 | 163 | 223 | 207 | 90 | 75 | 76 | 76 | 95 | 92 | 67 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | NNW 10 | NNW 10 | SW 21 | NNW 9 | SSE 7 | SSE 7 | SSE 7 | SSW 19 | SSE 10 | SSE 10 | SSE 10 | NW 12 | SSW 17 | SSW 17 | SSW 18 | NNW 12 | SSW 18 | SSE 7 | SSE 7 | SSE 6 | SE 9 | SE 9 | NNW 12 |
| kJ | 131 | 56 | 55 | 224 | 35 | 17 | 16 | 18 | 251 | 57 | 39 | 38 | 35 | 92 | 97 | 273 | 88 | 174 | 19 | 9 | 8 | 23 | 22 | 28 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NE 7 | NE 7 | — | — | — | — | — | NE 6 | NE 6 | NE 7 | ENE 6 | ENE 7 | NE 8 | NE 8 | NE 8 |
| kJ | — | — | — | — | — | — | — | — | — | 73 | 67 | — | — | — | — | — | 43 | 32 | 52 | 43 | 56 | 84 | 91 | 91 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 2 | 2 | 0 | 2 | 5 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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