Surf Forecasts:
How big are the waves at Keaulanas today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 2.5ft (0.7m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 2.5ft (0.7m), 14s period with SSW swell.
- Evening surf: Evening surf (31 Aug, local time) - 1.5ft (0.5m), 19s period with S swell.
The current surf forecast for Keaulanas at 4PM is: 0.7m 14s primary swell from a South-southwest direction and 0.6m 11s secondary swell from a South direction (forecast issued at 01:00pm August 31). An 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 (31 Aug) | 2.5ft (0.7m) | 15s |
| Afternoon (31 Aug) | 2.5ft (0.7m) | 14s |
| Evening (31 Aug) | 1.5ft (0.5m) | 19s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Mon afternoon, min 25°C on Mon night). Mainly fresh winds. | |||||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||||||
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) | SSW 15 | SSW 14 | SSW 14 | S 19 | S 19 | S 19 | S 19 | S 18 | SSW 18 | S 18 | S 18 | S 18 | S 18 | S 17 | S 17 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 191 | 186 | 183 | 190 | 192 | 273 | 267 | 336 | 333 | 311 | 314 | 311 | 395 | 373 | 443 | 432 | 427 | 417 | 406 | 376 | 357 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | off | cross-off | off | off | off | off | off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 5:16PM0.44m | 6:54AM0.57m | 5:35PM0.37m | 8:00AM0.58m | 5:33PM0.31m | ||||||||||||||||
Low Tide | 12:00PM0.24m | 11:44PM0.07m | 1:15PM0.28m | 00:13AM0.07m | 3:27PM0.30m | ||||||||||||||||
 | | |  | | |  | | | | |  | | | |  | | | | | | |
 | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | 6:49 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 27 | 25 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 26 | 26 | 26 | 25 | 26 | 27 | 28 | 27 | 26 | 25 |
Feels °C | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 26 | 27 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 14 | SSW 14 | S 19 | S 19 | NE 7 | NE 7 | S 18 | SSW 18 | S 18 | S 18 | S 18 | S 18 | S 17 | S 17 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 |
| kJ | 191 | 186 | 183 | 190 | 192 | 137 | 137 | 336 | 333 | 311 | 314 | 311 | 395 | 373 | 443 | 432 | 427 | 417 | 406 | 376 | 357 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 10 | S 10 | S 19 | S 19 | SSW 14 | SSW 14 | SSE 10 | S 13 | S 12 | S 12 | SW 14 | S 10 | SSW 14 | SSE 10 | S 10 | SSE 10 | S 11 | S 11 |
| kJ | 57 | 81 | 55 | 54 | 52 | 273 | 267 | 73 | 113 | 30 | 78 | 75 | 75 | 50 | 33 | 75 | 33 | 17 | 36 | 37 | 37 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | S 20 | SSW 19 | SW 14 | SW 14 | SSW 14 | SW 14 | S 10 | SSE 10 | SW 14 | SW 14 | SW 14 | SW 14 | SSE 10 | SW 14 | W 10 | SW 14 | SW 13 | SW 13 | SW 13 | SE 16 |
| kJ | 31 | 74 | 123 | 92 | 99 | 127 | 99 | 30 | 30 | 53 | 53 | 53 | 52 | 35 | 50 | 8 | 30 | 27 | 27 | 27 | 40 |
Wind waves Height (m) Direction Period (s) | NE 8 | NE 8 | NE 7 | NE 7 | NE 7 | E 8 | ENE 8 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | ENE 8 | ENE 7 | ENE 7 |
| kJ | 179 | 200 | 174 | 156 | 156 | 198 | 251 | 137 | 121 | 152 | 184 | 160 | 152 | 156 | 174 | 156 | 156 | 160 | 187 | 183 | 202 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 160 | 149 | 9 | 5 | 0 | 2 | 0 | 0 | 0 | 149 | 160 | 5 | 0 | 0 | 0 | 0 | 6 | 11 | 11 | 149 | 149 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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