Surf Forecasts:
How big are the waves at Keaulanas today (28 Sep):
- Morning surf: Morning surf (28 Sep, local time) - 3.5ft (1.1m), 10s period with S swell.
- Afternoon surf: Afternoon surf (28 Sep, local time) - 4.5ft (1.4m), 12s period with SSW swell.
- Evening surf: Evening surf (28 Sep, local time) - 4.5ft (1.4m), 12s period with SSW swell.
The current surf forecast for Keaulanas at 9AM is: 1.1m 10s primary swell from a South direction (forecast issued at 01:00am September 28). An open ocean swell of 0.9m 8s is not directed at the surf break, a second open ocean swell of 0.7m 7s 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) | 3.5ft (1.1m) | 10s |
| Afternoon (28 Sep) | 4.5ft (1.4m) | 12s |
| Evening (28 Sep) | 4.5ft (1.4m) | 12s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Tue night. Warm (max 28°C on Mon afternoon, min 25°C on Mon night). Winds increasing (light winds from the E on Tue morning, fresh winds from the SSE by Wed morning). | ||||||||||||||||||||||||
Monday 28 | Tuesday 29 | Wednesday 30 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | NNW 16 | NNW 16 | S 10 | S 13 | SSW 12 | SSW 13 | SSW 12 | SSW 12 | SSW 10 | SSW 10 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | S 7 | W 11 | W 11 | S 7 | SSW 15 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 291 | 220 | 240 | 633 | 550 | 227 | 575 | 530 | 360 | 302 | 386 | 330 | 447 | 326 | 322 | 322 | 318 | 302 | 302 | 411 | 351 | 248 | 188 | 186 |
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 | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross-on |
High Tide | 4:54AM0.65m | 4:19PM0.39m | 5:39AM0.67m | 4:45PM0.33m | 6:32AM0.67m | 5:06PM0.27m | ||||||||||||||||||
Low Tide | 11:25AM0.20m | 10:23PM0.04m | 12:31PM0.22m | 10:50PM0.04m | 2:02PM0.24m | |||||||||||||||||||
 | |  | | | | | | |  | |  | | | |  | | |  | | | | | | |
 | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 4 | 4 | 3 | 1 | 2 | 2 | 2 |
Temp °C | 25 | 25 | 26 | 27 | 28 | 27 | 26 | 25 | 25 | 25 | 25 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 26 | 27 | 26 | 26 | 26 |
Feels °C | 23 | 23 | 24 | 25 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 26 | 26 | 26 | 26 | 24 | 24 | 25 | 24 | 26 | 25 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSE 10 | SSE 10 | S 10 | S 13 | SSW 12 | NE 8 | SSW 12 | SSW 12 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | SSW 16 | SW 10 | WSW 10 | WSW 11 | WSW 10 | W 10 | W 10 | W 11 | W 11 | W 10 | W 10 | W 10 |
| kJ | 176 | 169 | 240 | 633 | 550 | 151 | 575 | 530 | 360 | 302 | 176 | 202 | 447 | 163 | 212 | 256 | 265 | 302 | 302 | 411 | 351 | 225 | 158 | 151 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 13 | ENE 8 | NNW 14 | NNW 14 | S 10 | NE 8 | NE 8 | NE 8 | NE 8 | SW 16 | SSW 16 | NE 8 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 |
| kJ | 226 | 198 | 108 | 229 | 173 | 200 | 129 | 109 | 107 | 77 | 386 | 330 | 51 | 326 | 322 | 322 | 318 | 302 | 283 | 246 | 191 | 188 | 188 | 186 |
Swell 3 Height (m) Direction Period (s) | NNW 16 | NNW 16 | SSW 13 | SSE 13 | SSE 8 | SSW 13 | SW 17 | SW 17 | SSW 17 | SW 17 | NE 8 | NE 8 | SW 9 | NE 8 | ENE 8 | ENE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SE 13 |
| kJ | 291 | 220 | 195 | 69 | 44 | 227 | 309 | 309 | 267 | 298 | 77 | 65 | 62 | 51 | 43 | 41 | 28 | 23 | 23 | 23 | 24 | 23 | 20 | 41 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | NE 7 | NE 8 | ENE 8 | — | — | — | — | — | SSE 7 | SSE 6 | S 7 | S 7 | S 7 | S 7 | S 6 | S 7 | S 7 | S 7 | S 7 | S 7 | S 6 | S 6 |
| kJ | 328 | 248 | 46 | 192 | 197 | — | — | — | — | — | 78 | 88 | 86 | 134 | 134 | 126 | 182 | 247 | 295 | 328 | 286 | 248 | 170 | 143 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 161 | 9 | 16 | 5 | 13 | 2 | 2 | 5 | 0 | 0 | 0 | 2 | 24 | 24 | 24 | 24 | 23 | 23 | 26 | 112 | 33 | 33 | 23 | 23 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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