Surf Forecasts:
How big are the waves at Keaulanas today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 2.5ft (0.7m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 2.5ft (0.7m), 16s period with SW swell.
- Evening surf: Evening surf (31 Jul, local time) - 2.5ft (0.7m), 15s period with SW swell.
The current surf forecast for Keaulanas at 8PM is: 0.7m 15s primary swell from a Southwest direction and 0.6m 12s secondary swell from a South direction (forecast issued at 01:00pm July 31). An open ocean swell of 1.1m 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 (31 Jul) | 2.5ft (0.7m) | 16s |
| Afternoon (31 Jul) | 2.5ft (0.7m) | 16s |
| Evening (31 Jul) | 2.5ft (0.7m) | 15s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Fri afternoon, min 25°C on Fri night). Winds decreasing (fresh winds from the ENE on Sat morning, light winds from the ENE by Mon morning). | |||||||||||||||||||||
Fri 31 | Saturday 1 | Sunday 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) | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SW 13 | SSW 13 | SSW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 261 | 251 | 236 | 226 | 223 | 220 | 217 | 167 | 127 | 123 | 123 | 123 | 125 | 129 | 133 | 133 | 133 | 88 | 85 | 65 | 62 |
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 | off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | off | off | off |
High Tide | 5:11PM0.66m | 5:36AM0.37m | 5:35PM0.61m | 6:28AM0.40m | 5:58PM0.54m | ||||||||||||||||
Low Tide | 10:08AM0.10m | 00:07AM0.12m | 10:50AM0.16m | 00:28AM0.11m | 11:40AM0.22m | ||||||||||||||||
 | |  |  |  |  | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | 7:12 | — | — | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:10 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 25 | 25 | 25 | 25 | 25 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 27 | 27 | 26 | 25 | 25 |
Feels °C | 26 | 25 | 25 | 24 | 23 | 23 | 23 | 22 | 23 | 24 | 24 | 23 | 23 | 23 | 24 | 22 | 24 | 24 | 24 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | S 12 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SW 13 | SSW 13 | SSW 13 |
| kJ | 148 | 251 | 236 | 226 | 223 | 220 | 217 | 167 | 127 | 123 | 123 | 123 | 125 | 129 | 133 | 133 | 133 | 88 | 85 | 65 | 62 |
Swell 2 Height (m) Direction Period (s) | SW 16 | S 12 | S 12 | S 12 | S 12 | S 12 | ESE 8 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | N 10 | N 10 | N 9 | N 9 | N 9 | N 9 | N 8 | N 8 |
| kJ | 261 | 146 | 106 | 103 | 103 | 71 | 44 | 70 | 41 | 39 | 38 | 38 | 21 | 17 | 16 | 15 | 15 | 14 | 13 | 13 | 12 |
Swell 3 Height (m) Direction Period (s) | E 15 | N 8 | N 8 | N 8 | N 8 | N 8 | S 12 | N 8 | E 15 | E 14 | E 14 | N 10 | N 10 | S 11 | S 11 | S 11 | S 11 | W 12 | SSE 8 | SSE 6 | SSE 6 |
| kJ | 18 | 21 | 21 | 12 | 11 | 11 | 71 | 5 | 17 | 16 | 16 | 8 | 18 | 21 | 21 | 9 | 21 | 25 | 6 | 4 | 7 |
Wind waves Height (m) Direction Period (s) | NE 8 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | NE 7 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 |
| kJ | 84 | 62 | 112 | 132 | 163 | 172 | 116 | 196 | 256 | 263 | 279 | 223 | 223 | 223 | 217 | 193 | 217 | 174 | 176 | 164 | 151 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 5 | 14 | 22 | 5 | 161 | 22 | 13 | 16 | 176 | 164 | 160 | 5 | 162 | 162 | 5 | 162 | 162 | 162 | 371 | 13 | 6 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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