Surf Forecasts:
How big are the waves at Keaulanas today (15 Aug):
- Morning surf: Morning surf (15 Aug, local time) - 3ft (0.9m), 13s period with S swell.
- Afternoon surf: Afternoon surf (15 Aug, local time) - 2.5ft (0.8m), 13s period with S swell.
- Evening surf: Evening surf (15 Aug, local time) - 2.5ft (0.7m), 13s period with S swell.
The current surf forecast for Keaulanas at 7AM is: 0.9m 13s primary swell from a South direction (forecast issued at 01:00am August 15). An open ocean swell of 0.5m 10s is not directed at the surf break, a second open ocean swell of 1.5m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | 3ft (0.9m) | 13s |
| Afternoon (15 Aug) | 2.5ft (0.8m) | 13s |
| Evening (15 Aug) | 2.5ft (0.7m) | 13s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 29mm), heaviest during Sat night. Warm (max 27°C on Sat morning, min 24°C on Sat night). Winds decreasing (near gales from the ENE on Sat night, light winds from the ENE by Sun night). | ||||||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | ||||||||||||||||||||||
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) | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | S 17 | S 12 | S 13 | S 13 | S 13 | S 13 | S 14 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 311 | 289 | 284 | 222 | 219 | 171 | 168 | 171 | 173 | 192 | 214 | 148 | 157 | 209 | 219 | 215 | 184 | 343 | 334 | 338 | 334 | 329 | 325 | 249 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | 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 | cross-off | cross-off |
High Tide | 5:45AM0.46m | 5:29PM0.55m | 6:36AM0.49m | 5:51PM0.47m | 7:32AM0.51m | 6:05PM0.40m | ||||||||||||||||||
Low Tide | 11:44PM0.09m | 11:19AM0.18m | 00:07AM0.09m | 12:16PM0.25m | 00:30AM0.09m | 1:28PM0.30m | ||||||||||||||||||
 |  |  | |  | | | |  |  |  |  | | |  | | | | | |  | | | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — |
mm | — | — | — | — | — | — | — | — | 2 | 8 | 7 | 4 | 4 | 3 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 24 | 26 | 26 | 26 | 27 | 26 | 26 | 25 | 25 | 26 | 26 | 27 | 27 | 25 | 25 |
Feels °C | 25 | 25 | 24 | 24 | 23 | 24 | 22 | 21 | 19 | 18 | 24 | 25 | 26 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 29 | 28 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | SSE 10 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | S 7 | S 7 | S 6 | S 14 | S 14 | S 14 | S 14 | S 14 |
| kJ | 311 | 289 | 284 | 222 | 219 | 171 | 168 | 171 | 173 | 192 | 684 | 543 | 268 | 226 | 196 | 164 | 120 | 89 | 65 | 338 | 334 | 329 | 325 | 249 |
Swell 2 Height (m) Direction Period (s) | ESE 11 | ESE 10 | ESE 10 | W 11 | ESE 12 | W 13 | S 17 | S 18 | S 18 | S 18 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | S 15 | S 14 | NE 7 | NE 7 | NE 6 | S 6 | S 5 |
| kJ | 68 | 60 | 60 | 22 | 57 | 30 | 86 | 57 | 99 | 98 | 163 | 169 | 171 | 145 | 138 | 99 | 94 | 343 | 334 | 69 | 55 | 51 | 16 | 14 |
Swell 3 Height (m) Direction Period (s) | NNW 8 | NNW 8 | NNW 8 | NNW 8 | W 13 | NNW 8 | NNW 8 | WNW 13 | WNW 13 | WNW 12 | S 17 | S 12 | S 13 | S 13 | S 13 | S 13 | S 14 | NE 7 | NE 7 | SSW 6 | S 6 | S 6 | WNW 11 | WNW 11 |
| kJ | 12 | 12 | 12 | 6 | 29 | 12 | 12 | 34 | 33 | 29 | 214 | 148 | 157 | 209 | 219 | 215 | 184 | 91 | 86 | 29 | 35 | 24 | 24 | 24 |
Wind waves Height (m) Direction Period (s) | NE 6 | NE 6 | NE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 6 | SE 10 | ESE 9 | ESE 8 | ESE 8 | — | — | — | — | — | — | — | — | NE 6 | NE 6 |
| kJ | 113 | 166 | 213 | 342 | 412 | 458 | 656 | 577 | 632 | 415 | 2587 | 1480 | 925 | 750 | — | — | — | — | — | — | — | — | 51 | 47 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 167 | 167 | 167 | 167 | 167 | 167 | 167 | 167 | 176 | 181 | 181 | 266 | 24 | 24 | 13 | 2 | 0 | 2 | 2 | 2 | 0 | 2 | 2 | 2 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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