Surf Forecasts:
How big are the waves at Big Lefts today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 6ft (1.8m), 7s period with E swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 7ft (2.1m), 7s period with E swell.
- Evening surf: Evening surf (31 Jul, local time) - 8ft (2.5m), 8s period with E swell.
The current surf forecast for Big Lefts at 11AM is: 2.0m 7s primary swell from a East direction and 0.7m 12s secondary swell from a South direction, 0.6m 15s secondary swell from a East direction (forecast issued at 07:00am July 31). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 6ft (1.8m) | 7s |
| Afternoon (31 Jul) | 7ft (2.1m) | 7s |
| Evening (31 Jul) | 8ft (2.5m) | 8s |
Table - waves today at Big Lefts. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Fri morning, min 24°C on Sun night). Winds decreasing (strong winds from the ENE on Fri night, moderate winds from the NE by Sun night). | |||||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | |||||||||||||||||||||
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) | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 285 | 285 | 400 | 435 | 537 | 826 | 958 | 1102 | 1067 | 1142 | 1142 | 1009 | 871 | 939 | 1009 | 1026 | 956 | 824 | 801 | 740 | 662 | 666 | 612 |
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 | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:11AM0.31m | 5:26PM0.64m | 5:57AM0.34m | 5:55PM0.59m | 6:49AM0.38m | 6:24PM0.52m | |||||||||||||||||
Low Tide | 10:29AM0.06m | 00:22AM0.06m | 11:14AM0.11m | 00:48AM0.05m | 12:06PM0.16m | ||||||||||||||||||
 |  | | | |  |  | | | | | | | | | | | |  | | | | | |
 | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:08 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 26 | 24 | 24 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 19 | 21 | 21 | 22 | 21 | 21 | 22 | 23 | 22 | 22 | 23 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 12 | E 16 | E 16 | E 15 | E 15 | SW 15 | E 14 | SSW 14 | SSW 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 |
| kJ | 163 | 158 | 153 | 231 | 301 | 222 | 213 | 220 | 202 | 138 | 127 | 196 | 196 | 257 | 260 | 194 | 186 | 191 | 188 | 188 | 142 | 132 | 125 |
Swell 2 Height (m) Direction Period (s) | E 16 | E 15 | E 15 | SW 16 | SW 15 | SW 15 | SW 15 | S 12 | SW 15 | SSW 12 | S 12 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 185 | 228 | 159 | 201 | 239 | 229 | 226 | 71 | 171 | 46 | 42 | 123 | 123 | 123 | 125 | 131 | 133 | 133 | 133 | 88 | 68 | 66 | 62 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | S 12 | S 12 | S 12 | S 12 | N 8 | SSW 12 | N 8 | W 13 | S 11 | S 11 | S 11 | S 11 | S 11 | N 10 | N 10 | N 9 | N 9 | N 9 | S 11 | SSE 14 |
| kJ | 208 | 208 | 206 | 110 | 106 | 73 | 72 | 5 | 46 | 5 | 3 | 39 | 39 | 22 | 22 | 22 | 16 | 16 | 15 | 14 | 14 | 9 | 40 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 285 | 285 | 400 | 435 | 537 | 826 | 958 | 1102 | 1067 | 1142 | 1142 | 1009 | 871 | 939 | 1009 | 1026 | 956 | 824 | 801 | 740 | 662 | 666 | 612 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 1 | 36 | 39 | 43 | 44 | 39 | 129 | 130 | 130 | 159 | 150 | 130 | 130 | 36 | 45 | 130 | 36 | 39 | 130 | 130 | 158 | 37 | 36 |
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)
Latest Updates
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Big Lefts surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest