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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 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 3PM is: 0.7m 14s primary swell from a South-southwest direction (forecast issued at 07:00am May 19). An open ocean swell of 0.8m 6s is not directed at the surf break, a second open ocean swell of 1.3m 8s 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 23°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
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 | S 15 | |
163 | 273 | 207 | 178 | 239 | 249 | 246 | 252 | 180 | 163 | 163 | 158 | 152 | 145 | 101 | 101 | 135 | 134 | 134 | 87 | 127 | 174 | 169 | 157 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | cross-off | cross-off | cross-off | 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 | off | 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 | 10:27AM0.02m | 2:45AM0.14m | 11:14AM0.07m | 3:42AM0.13m | 12:10PM0.14m | |||||||||||||||||||
 |  | |  | | |  | | | | | | | | | | | | | | | | | | |
 | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | 5:50 |
 | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — | 7:06 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 23 | 23 | 23 | 23 | 23 | 25 | 25 | 24 | 23 | 23 | 23 |
24 | 24 | 26 | 25 | 24 | 25 | 23 | 23 | 23 | 22 | 23 | 22 | 22 | 20 | 20 | 20 | 20 | 19 | 21 | 21 | 20 | 19 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | NE 6 | SSW 14 | NE 6 | NE 6 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | NNW 10 | SSW 14 | SSW 14 | NNW 10 | SSW 13 | SSW 13 | ESE 8 | S 16 | SSW 14 | S 16 | SSW 15 | SSW 15 | S 15 |
 kJ | 38 | 173 | 45 | 47 | 239 | 249 | 246 | 252 | 180 | 163 | 163 | 95 | 152 | 145 | 63 | 101 | 102 | 44 | 134 | 66 | 127 | 174 | 169 | 157 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | NE 6 | SSW 14 | SSW 14 | NNW 10 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | SSW 14 | NNW 11 | NNW 11 | SSW 13 | NNW 10 | S 16 | S 16 | SSW 13 | SSW 16 | NW 10 | NW 10 | NW 10 | SE 13 |
| kJ | 163 | 39 | 175 | 178 | 73 | 76 | 76 | 97 | 92 | 67 | 69 | 158 | 75 | 64 | 101 | 41 | 135 | 134 | 60 | 87 | 24 | 23 | 23 | 42 |
Swell 3 Height (m) Direction Period (s) | SSW 17 | SSW 18 | SSW 18 | NNW 12 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | NNW 12 | SSW 18 | SSW 18 | SSW 18 | S 18 | SSW 17 | SSW 17 | NNW 10 | SSW 13 | NW 10 | NW 10 | SSE 13 | SSE 13 | SSE 13 | NW 10 |
| kJ | 97 | 273 | 207 | 90 | 35 | 29 | 17 | 17 | 17 | 28 | 64 | 63 | 62 | 56 | 100 | 93 | 39 | 69 | 24 | 24 | 34 | 33 | 33 | 25 |
Wind waves Height (m) Direction Period (s) | — | E 8 | E 8 | ENE 8 | NE 6 | ENE 6 | ENE 6 | NE 6 | NE 8 | ENE 8 | ENE 7 | ENE 5 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 |
| kJ | — | 182 | 157 | 192 | 51 | 47 | 52 | 52 | 91 | 123 | 163 | 73 | 183 | 179 | 202 | 197 | 230 | 206 | 274 | 300 | 300 | 318 | 306 | 314 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 2 | 2 | 2 | 5 | 2 | 0 | 2 | 0 | 5 | 9 | 11 | 13 | 16 | 16 | 160 | 160 | 16 | 162 | 161 | 189 | 282 | 162 | 160 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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