Surf Forecasts:
How big are the waves at Keaulanas today (28 Sep):
- Morning surf: Morning surf (28 Sep, local time) - 2.5ft (0.8m), 14s period with NNW swell.
- Afternoon surf: Afternoon surf (28 Sep, local time) - 4.5ft (1.3m), 11s period with SSW swell.
- Evening surf: Evening surf (28 Sep, local time) - 2.5ft (0.7m), 17s period with SW swell.
The current surf forecast for Keaulanas at 12AM is: 0.7m 16s primary swell from a North-northwest direction and 0.8m 14s secondary swell from a South-southwest direction (forecast issued at 07:00pm September 27). An open ocean swell of 0.9m 10s is not directed at the surf break, a second open ocean swell of 1.7m 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 (28 Sep) | 2.5ft (0.8m) | 14s |
| Afternoon (28 Sep) | 4.5ft (1.3m) | 11s |
| Evening (28 Sep) | 2.5ft (0.7m) | 17s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Tue night. Warm (max 28°C on Mon afternoon, min 25°C on Sun night). Winds decreasing (strong winds from the E on Sun night, light winds from the ESE by Mon night). | |||||||||||||||||||
Sun 27 | Monday 28 | Tuesday 29 | |||||||||||||||||
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 |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | NNW 16 | NNW 16 | NNW 15 | SSW 13 | SSW 12 | SSW 10 | SW 17 | SW 17 | SW 17 | SW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 325 | 316 | 232 | 291 | 220 | 195 | 648 | 478 | 356 | 309 | 309 | 305 | 298 | 339 | 330 | 326 | 326 | 322 | 322 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore 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 | cross | cross | cross | cross |
High Tide | 3:52PM0.45m | 4:54AM0.65m | 4:19PM0.39m | 5:39AM0.67m | 4:45PM0.33m | ||||||||||||||
Low Tide | 9:58PM0.04m | 11:25AM0.20m | 10:23PM0.04m | 12:31PM0.22m | 10:50PM0.04m | ||||||||||||||
 |  | | | | | | | | | |  |  |  |  | | | | | |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | 6:23 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 28 | 27 | 26 | 26 |
Feels °C | 23 | 23 | 22 | 23 | 23 | 24 | 26 | 28 | 26 | 26 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 10 | SSW 13 | SSW 12 | SSW 10 | S 10 | NE 8 | SSW 9 | SSW 9 | S 8 | SSW 8 | SSW 16 | SSW 16 | SSW 16 | WSW 10 |
| kJ | 325 | 146 | 146 | 176 | 169 | 200 | 648 | 478 | 356 | 184 | 129 | 149 | 124 | 144 | 122 | 326 | 326 | 322 | 149 |
Swell 2 Height (m) Direction Period (s) | SSE 11 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | NE 8 | NE 8 | NE 8 | NE 8 | SSW 9 | NE 8 | NE 8 | SSW 16 | SSW 16 | NE 8 | SW 8 | SW 9 | SSW 16 |
| kJ | 180 | 316 | 229 | 226 | 198 | 195 | 145 | 145 | 145 | 129 | 121 | 107 | 77 | 339 | 330 | 50 | 57 | 64 | 322 |
Swell 3 Height (m) Direction Period (s) | NNW 18 | NNW 17 | NNW 16 | NNW 16 | NNW 16 | NNW 15 | NNW 14 | NNW 14 | NNW 13 | SW 17 | SW 17 | SW 17 | SW 17 | NE 8 | NE 8 | NNW 12 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 178 | 200 | 232 | 291 | 220 | 191 | 229 | 173 | 158 | 309 | 309 | 305 | 298 | 77 | 64 | 93 | 42 | 42 | 41 |
Wind waves Height (m) Direction Period (s) | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 4 | — | — | — | — | — | — | — | SE 7 | S 8 | S 7 | S 7 | S 6 |
| kJ | 603 | 475 | 404 | 298 | 171 | 237 | 23 | — | — | — | — | — | — | — | 21 | 187 | 110 | 134 | 141 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 181 | 160 | 161 | 161 | 9 | 160 | 22 | 11 | 2 | 5 | 9 | 0 | 0 | 0 | 2 | 24 | 24 | 24 | 24 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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