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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 Tuesday 19 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
25.6° C
(Which is normal for this time of year)How big are the waves at Keaulanas today?
The current surf forecast for Keaulanas at 5AM is: 0.7m 14s primary swell from a South-southwest direction (forecast issued at 01:00am May 19). An open ocean swell of 0.7m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 2.5ft (0.7m) | 18s |
| Afternoon (19 May) | 2.5ft (0.7m) | 14s |
| Evening (19 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 Tue morning, min 22°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSW 14 | SSW 14 | SSW 18 | SSW 18 | SSW 14 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 17 | SSW 17 | S 16 | S 16 | S 16 | SSW 16 | S 16 | SSW 15 | SSW 15 | |
161 | 163 | 273 | 207 | 178 | 239 | 249 | 246 | 252 | 233 | 183 | 163 | 158 | 149 | 145 | 101 | 101 | 135 | 134 | 134 | 87 | 127 | 174 | 169 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | 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 | off | cross-off | |
High Tide | 5:06AM0.20m | 6:35PM0.78m | 6:18AM0.19m | 7:28PM0.72m | 8:01AM0.20m | 8:22PM0.66m | ||||||||||||||||||
Low Tide | 1:40AM0.14m | 10:27AM0.02m | 2:45AM0.14m | 11:14AM0.07m | 3:42AM0.13m | 12:10PM0.14m | ||||||||||||||||||
 | |  |  | | | |  | | | | | | | | | | | | | | |  | | |
 | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 24 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 25 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 23 | 23 |
24 | 24 | 24 | 27 | 25 | 25 | 24 | 23 | 24 | 24 | 23 | 23 | 23 | 22 | 20 | 20 | 20 | 20 | 21 | 21 | 20 | 20 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | NNW 10 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | S 16 | SE 8 | SSW 14 | S 16 | SSW 15 | SSW 15 |
 kJ | 47 | 38 | 38 | 46 | 47 | 239 | 249 | 246 | 252 | 233 | 183 | 163 | 95 | 149 | 145 | 101 | 101 | 102 | 134 | 33 | 66 | 127 | 174 | 169 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | NNW 10 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | SSW 14 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | S 16 | SSW 13 | S 16 | SSW 16 | NW 10 | NW 10 | NW 10 |
| kJ | 161 | 163 | 173 | 175 | 178 | 73 | 76 | 76 | 95 | 92 | 67 | 69 | 158 | 99 | 64 | 63 | 41 | 135 | 69 | 134 | 87 | 24 | 23 | 23 |
Swell 3 Height (m) Direction Period (s) | SSW 17 | SSW 17 | SSW 18 | SSW 18 | NNW 12 | SSE 10 | SSE 9 | SE 9 | SSE 9 | SSE 9 | NNW 12 | SSW 18 | SSW 18 | SSW 18 | S 18 | SSW 17 | SSW 17 | NNW 10 | NNW 10 | SSW 13 | NW 10 | SSW 12 | SSE 13 | SSE 13 |
| kJ | 92 | 97 | 273 | 207 | 90 | 35 | 29 | 23 | 17 | 17 | 28 | 64 | 63 | 62 | 56 | 100 | 93 | 39 | 38 | 60 | 24 | 28 | 33 | 33 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NE 6 | NE 6 | ENE 6 | NE 6 | NE 8 | ENE 8 | ENE 4 | ENE 5 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | — | — | — | — | — | 51 | 39 | 54 | 56 | 75 | 109 | 61 | 88 | 192 | 179 | 175 | 197 | 183 | 230 | 191 | 285 | 300 | 336 | 285 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 5 | 5 | 11 | 13 | 16 | 16 | 16 | 160 | 161 | 176 | 160 | 189 | 282 | 163 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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