Surf Forecasts:
How big are the waves at Keaulanas today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 2.5ft (0.7m), 14s period with S swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 2.5ft (0.7m), 13s period with S swell.
- Evening surf: Evening surf (16 Aug, local time) - 2.5ft (0.8m), 13s period with S swell.
The current surf forecast for Keaulanas at 4AM is: 0.7m 14s primary swell from a South direction (forecast issued at 07:00pm August 15). An open ocean swell of 0.6m 12s is not directed at the surf break, a second open ocean swell of 3.0m 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 (16 Aug) | 2.5ft (0.7m) | 14s |
| Afternoon (16 Aug) | 2.5ft (0.7m) | 13s |
| Evening (16 Aug) | 2.5ft (0.8m) | 13s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 58mm), heaviest during Sun morning. Warm (max 27°C on Sun afternoon, min 24°C on Mon night). Winds decreasing (near gales from the ENE on Sat night, light winds from the E by Sun night). | |||||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | |||||||||||||||||
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 13 | S 13 | S 13 | S 13 | S 14 | S 14 | SE 9 | 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 | 171 | 168 | 171 | 173 | 192 | 195 | 0 | 161 | 163 | 219 | 166 | 239 | 343 | 334 | 338 | 338 | 260 | 325 | 249 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:29PM0.55m | 6:36AM0.49m | 5:51PM0.47m | 7:32AM0.51m | 6:05PM0.40m | ||||||||||||||
Low Tide | 00:07AM0.09m | 12:16PM0.25m | 00:30AM0.09m | 1:28PM0.30m | |||||||||||||||
 |  |  |  |  |  | | | | | | | |  | | | |  | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — |
mm | — | — | — | 1 | 13 | 24 | 11 | 5 | 3 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 27 | 26 | 26 | 26 | 25 | 26 | 26 | 27 | 27 | 26 | 25 |
Feels °C | 24 | 21 | 21 | 20 | 21 | 23 | 23 | 25 | 27 | 27 | 28 | 29 | 28 | 28 | 27 | 28 | 28 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 13 | S 14 | NNE 7 | SE 9 | SSE 8 | NNE 7 | SSE 8 | SSE 7 | S 7 | S 7 | S 6 | S 14 | S 14 | S 14 | S 14 | S 14 |
| kJ | 171 | 168 | 171 | 173 | 192 | 67 | 437 | 267 | 70 | 163 | 136 | 117 | 86 | 63 | 338 | 338 | 260 | 325 | 249 |
Swell 2 Height (m) Direction Period (s) | W 13 | S 17 | S 18 | S 18 | SE 12 | S 14 | NNE 7 | NE 8 | ENE 9 | NE 8 | NE 8 | NE 8 | S 15 | S 14 | NE 7 | S 6 | S 6 | SSW 6 | NE 6 |
| kJ | 30 | 87 | 57 | 99 | 108 | 195 | 101 | 163 | 79 | 142 | 119 | 94 | 343 | 334 | 71 | 49 | 34 | 20 | 49 |
Swell 3 Height (m) Direction Period (s) | NNW 8 | NNW 8 | WNW 13 | WNW 13 | S 18 | S 17 | ENE 9 | S 13 | S 13 | S 13 | S 13 | S 14 | NE 7 | NE 7 | SSW 6 | WNW 11 | WNW 11 | SE 6 | S 6 |
| kJ | 13 | 12 | 34 | 33 | 98 | 148 | 141 | 161 | 163 | 219 | 166 | 239 | 91 | 64 | 26 | 25 | 25 | 5 | 16 |
Wind waves Height (m) Direction Period (s) | NE 7 | NE 7 | ENE 8 | ENE 9 | ENE 7 | E 10 | ENE 8 | ESE 9 | SSE 8 | ESE 8 | — | — | — | — | — | NE 7 | NE 7 | NE 7 | E 7 |
| kJ | 509 | 666 | 866 | 1254 | 692 | 1250 | 44 | 1058 | 217 | 650 | — | — | — | — | — | 55 | 52 | 54 | 127 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 167 | 167 | 176 | 185 | 176 | 189 | 190 | 24 | 24 | 13 | 11 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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