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) - 2ft (0.6m), 19s period with S swell.
The current surf forecast for Keaulanas at 9AM is: 0.7m 15s primary swell from a South-southwest direction and 0.6m 11s secondary swell from a South direction (forecast issued at 01:00am August 31). An open ocean swell of 1.2m 7s is not directed at the surf break. The wind direction is predicted to be 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) | 2ft (0.6m) | 19s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Wed afternoon, min 25°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||||||
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) | SSW 15 | SSW 15 | SSW 15 | 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 | ||||||||||||||||||||||||
199 | 196 | 196 | 191 | 186 | 183 | 190 | 273 | 273 | 267 | 248 | 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 | off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off |
High Tide | 6:01AM0.54m | 5:16PM0.44m | 6:54AM0.57m | 5:35PM0.37m | 8:00AM0.58m | 5:33PM0.31m | ||||||||||||||||||
Low Tide | 11:21PM0.08m | 12:00PM0.24m | 11:44PM0.07m | 1:15PM0.28m | 00:13AM0.07m | 3:27PM0.30m | ||||||||||||||||||
— | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | |
— | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 27 | 28 | 27 | 25 | 26 | 26 | 25 | 25 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 29 | 28 | 26 | 25 |
Feels °C | 24 | 24 | 24 | 25 | 26 | 25 | 23 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 26 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | 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 | NE 7 | S 17 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 |
199 | 196 | 196 | 191 | 186 | 183 | 190 | 273 | 121 | 121 | 248 | 333 | 311 | 314 | 311 | 395 | 115 | 443 | 432 | 427 | 417 | 406 | 376 | 357 | |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 19 | S 19 | SSW 14 | SSW 14 | SSE 10 | S 12 | S 12 | SSW 14 | S 17 | S 10 | SSW 14 | SSE 10 | S 10 | S 12 | SSE 11 | SSE 11 |
87 | 84 | 84 | 57 | 81 | 55 | 56 | 52 | 273 | 267 | 136 | 115 | 30 | 77 | 75 | 77 | 373 | 33 | 75 | 33 | 30 | 66 | 38 | 39 | |
Swell 3 Height (m) Direction Period (s) | SSW 20 | SSW 19 | SSW 19 | SSW 18 | S 20 | SSW 19 | SW 14 | SW 14 | S 10 | SW 14 | S 10 | S 10 | SW 14 | SW 14 | SW 14 | W 11 | SW 14 | SW 14 | SE 8 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 |
38 | 73 | 71 | 31 | 74 | 123 | 92 | 92 | 52 | 99 | 45 | 46 | 53 | 53 | 53 | 9 | 50 | 50 | 11 | 30 | 27 | 27 | 27 | 27 | |
Wind waves Height (m) Direction Period (s) | NE 7 | NE 7 | NE 7 | NE 8 | NE 8 | NE 8 | NE 7 | NE 7 | ENE 8 | — | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | E 8 | NE 7 | NE 8 | NE 7 | ENE 7 | NE 7 | NE 7 | NE 7 |
116 | 119 | 147 | 179 | 183 | 160 | 156 | 152 | 251 | — | 121 | 121 | 134 | 152 | 152 | 130 | 223 | 121 | 125 | 156 | 173 | 136 | 118 | 132 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 5 | 2 | 5 | 6 | 6 | 6 | 5 | 0 | 0 | 0 | 0 | 0 | 160 | 160 | 0 | 0 | 2 | 2 | 2 | 2 | 11 | 11 | 6 | 6 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)













