Surf Forecasts:
How big are the waves at Big Lefts today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 4ft (1.2m), 16s period with S swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 4ft (1.2m), 16s period with S swell.
- Evening surf: Evening surf (13 Aug, local time) - 3.5ft (1.1m), 15s period with S swell.
The current surf forecast for Big Lefts at 6AM is: 1.3m 16s primary swell from a South direction and 1.6m 6s secondary swell from a East-northeast direction (forecast issued at 01:00am August 13). An open ocean swell of 0.3m 12s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 4ft (1.2m) | 16s |
| Afternoon (13 Aug) | 4ft (1.2m) | 16s |
| Evening (13 Aug) | 3.5ft (1.1m) | 15s |
Table - waves today at Big Lefts. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Thu morning, min 25°C on Thu night). Mainly strong winds. | ||||||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | ||||||||||||||||||||||
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) | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | S 15 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 520 | 879 | 743 | 501 | 715 | 662 | 544 | 537 | 537 | 524 | 512 | 526 | 555 | 536 | 557 | 760 | 946 | 1173 | 1465 | 1747 | 2048 | 2353 | 2796 | 2934 |
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 | cross-off |
High Tide | 4:30AM0.36m | 4:48PM0.69m | 5:17AM0.40m | 5:22PM0.62m | 6:06AM0.44m | 5:54PM0.53m | ||||||||||||||||||
Low Tide | 11:08PM0.04m | 9:58AM0.03m | 11:36PM0.04m | 10:49AM0.08m | 00:03AM0.04m | 11:43AM0.14m | ||||||||||||||||||
 |  |  | | | | | | | | | | | | | | | |  | | | | |  | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 27 | 27 | 26 | 25 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 |
Feels °C | 24 | 25 | 23 | 24 | 24 | 23 | 23 | 24 | 23 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 |
| kJ | 520 | 879 | 743 | 501 | 715 | 662 | 544 | 537 | 537 | 524 | 510 | 411 | 411 | 411 | 329 | 324 | 243 | 229 | 225 | 222 | 168 | 168 | 171 | 171 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | W 12 | W 12 | SSW 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 12 | W 12 | W 12 | E 11 | SSW 18 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | S 16 | S 18 | S 18 |
| kJ | 170 | 25 | 25 | 113 | 11 | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 62 | 30 | 10 | 9 | 21 | 9 | 22 | 23 | 80 | 57 | 57 |
Swell 3 Height (m) Direction Period (s) | W 12 | SE 9 | SE 9 | W 12 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SSW 18 | W 12 | W 12 | SSW 18 | SSW 17 | SSW 17 | SW 17 | S 20 | S 16 | W 13 | SSW 16 | W 13 |
| kJ | 25 | 3 | 3 | 11 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 30 | 11 | 10 | 30 | 28 | 29 | 12 | 30 | 42 | 30 | 25 | 30 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 232 | 206 | 226 | 233 | 268 | 307 | 395 | 461 | 537 | 500 | 512 | 526 | 555 | 536 | 557 | 760 | 946 | 1173 | 1465 | 1747 | 2048 | 2353 | 2796 | 2934 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 0 | 29 | 42 | 129 | 43 | 30 | 29 | 29 | 31 | 42 | 42 | 128 | 129 | 31 | 42 | 42 | 130 | 45 | 131 | 132 | 199 | 159 | 158 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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