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 8AM is: 0.7m 16s primary swell from a Southwest direction and 0.7m 12s secondary swell from a South direction (forecast issued at 07:00pm July 30). An open ocean swell of 0.7m 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). Mainly fresh winds. | |||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | |||||||||||||||||
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 18 | SSW 18 | S 13 | S 13 | SW 16 | SW 16 | 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 |
Wave Graph  | |||||||||||||||||||
 kJ | 222 | 219 | 215 | 212 | 264 | 264 | 261 | 251 | 236 | 226 | 223 | 220 | 217 | 167 | 127 | 123 | 123 | 123 | 125 |
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 | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off |
High Tide | 4:45PM0.70m | 4:50AM0.33m | 5:11PM0.66m | 5:36AM0.37m | 5:35PM0.61m | ||||||||||||||
Low Tide | 11:47PM0.13m | 10:08AM0.10m | 00:07AM0.12m | 10:50AM0.16m | |||||||||||||||
 |  |  | | | |  | | | |  | | | | | | | | | |
 | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | 7:12 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:10 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 25 | 25 | 25 | 25 | 25 | 26 | 27 | 26 | 25 | 25 |
Feels °C | 29 | 29 | 27 | 27 | 27 | 25 | 25 | 26 | 25 | 23 | 22 | 23 | 22 | 22 | 23 | 23 | 23 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | 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 |
| kJ | 222 | 219 | 215 | 212 | 161 | 153 | 148 | 251 | 236 | 226 | 223 | 220 | 217 | 167 | 127 | 123 | 123 | 123 | 125 |
Swell 2 Height (m) Direction Period (s) | NE 7 | NNE 7 | NE 7 | SW 16 | ENE 7 | SW 16 | SW 16 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 |
| kJ | 47 | 34 | 59 | 211 | 42 | 264 | 261 | 146 | 104 | 103 | 103 | 71 | 71 | 70 | 41 | 39 | 38 | 38 | 21 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 17 | NNE 9 | SW 16 | N 9 | N 9 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | E 15 | E 14 | E 14 | N 10 | N 10 |
| kJ | 207 | 207 | 197 | 61 | 264 | 39 | 23 | 21 | 12 | 12 | 11 | 11 | 5 | 5 | 17 | 16 | 16 | 9 | 8 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | NE 7 |
| kJ | — | — | — | — | — | 48 | 72 | 82 | 99 | 100 | 176 | 214 | 259 | 264 | 263 | 242 | 234 | 237 | 261 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 5 | 2 | 2 | 2 | 2 | 5 | 9 | 9 | 161 | 163 | 162 | 9 | 164 | 16 | 176 | 160 | 162 | 13 | 16 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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