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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 am Saturday 16 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
25.4° C
(Which is normal for this time of year)How big are the waves at Keaulanas today?
The current surf forecast for Keaulanas at 9AM is: 0.6m 16s primary swell from a South-southwest direction and 0.6m 11s secondary swell from a Northwest direction (forecast issued at 01:00am May 16). An open ocean swell of 0.8m 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 (16 May) | 2ft (0.6m) | 16s |
| Afternoon (16 May) | 1.5ft (0.5m) | 14s |
| Evening (16 May) | 2ft (0.6m) | 14s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Sat afternoon. Warm (max 27°C on Sun afternoon, min 24°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
NW 11 | NW 11 | SSW 16 | SSW 15 | SW 14 | SW 14 | SSW 14 | SSW 17 | NNW 10 | NNW 10 | SW 14 | NNW 10 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 19 | SSW 19 | SSW 14 | SSW 14 | SSW 14 | |
126 | 123 | 162 | 152 | 102 | 103 | 138 | 109 | 69 | 69 | 100 | 68 | 249 | 249 | 246 | 242 | 239 | 236 | 233 | 251 | 251 | 212 | 163 | 161 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | glassy | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 2:40AM0.29m | 4:08PM0.82m | 3:24AM0.25m | 4:54PM0.83m | 4:11AM0.22m | 5:43PM0.81m | ||||||||||||||||||
Low Tide | 8:28AM-0.03m | 11:34PM0.15m | 9:05AM-0.03m | 00:36AM0.15m | 9:45AM-0.02m | |||||||||||||||||||
 | |  |  | |  |  |  | | | | | | | |  | | | | | | | | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — |
— | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 24 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 26 | 27 | 26 | 25 | 24 | 24 | 24 | 24 | 26 | 26 | 26 | 24 | 24 |
26 | 26 | 26 | 29 | 29 | 29 | 28 | 29 | 27 | 27 | 26 | 27 | 27 | 26 | 25 | 24 | 24 | 25 | 24 | 26 | 25 | 25 | 23 | 24 | |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 11 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | SSE 11 | SSE 9 | NE 8 | NE 8 | SSW 15 | SSW 15 | NE 7 | NE 7 | NE 7 | NE 7 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
 kJ | 126 | 123 | 79 | 82 | 69 | 67 | 67 | 67 | 55 | 133 | 71 | 75 | 63 | 249 | 246 | 54 | 67 | 86 | 77 | 233 | 229 | 168 | 163 | 161 |
Swell 2 Height (m) Direction Period (s) | NE 7 | NE 7 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NE 8 | NNW 10 | SSE 8 | SSW 15 | NE 8 | NE 8 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 19 | SSW 19 | SSW 19 | SSE 10 | NW 12 |
| kJ | 54 | 56 | 123 | 96 | 94 | 78 | 75 | 71 | 69 | 57 | 69 | 40 | 249 | 63 | 63 | 242 | 239 | 236 | 233 | 251 | 251 | 212 | 38 | 35 |
Swell 3 Height (m) Direction Period (s) | SW 14 | SSE 11 | SSW 16 | SSW 15 | SW 14 | SW 14 | SSW 14 | SSW 17 | SSE 11 | NNW 10 | SW 14 | NNW 10 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 10 | SSE 10 | SSE 10 | NW 12 | SSE 10 |
| kJ | 48 | 38 | 162 | 152 | 102 | 103 | 138 | 109 | 71 | 69 | 100 | 68 | 31 | 31 | 31 | 18 | 17 | 16 | 15 | 57 | 39 | 38 | 37 | 38 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | NNE 6 | — | — | — | — | — | — | — | — | NE 7 | NE 7 | NE 7 | ENE 7 | NE 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | 26 | — | — | — | — | — | — | — | — | 75 | 73 | 71 | 78 | 63 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 2 | 2 | 5 | 2 | 2 |
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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