Surf Forecasts:
How big are the waves at Big Lefts today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 6.5ft (2.0m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 6ft (1.8m), 8s period with ENE swell.
- Evening surf: Evening surf (21 Sep, local time) - 6ft (1.9m), 8s period with ENE swell.
The current surf forecast for Big Lefts at 5AM is: 2.2m 8s primary swell from a East direction and 0.9m 14s secondary swell from a South-southwest direction, 0.3m 15s secondary swell from a Southwest direction (forecast issued at 01:00am September 21). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 6.5ft (2.0m) | 8s |
| Afternoon (21 Sep) | 6ft (1.8m) | 8s |
| Evening (21 Sep) | 6ft (1.9m) | 8s |
Table - waves today at Big Lefts. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Mon morning, min 25°C on Mon morning). Mainly fresh winds. | ||||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||||||
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) | 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 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | E 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 617 | 566 | 481 | 427 | 404 | 404 | 445 | 408 | 394 | 322 | 330 | 330 | 330 | 318 | 359 | 528 | 612 | 653 | 681 | 696 | 614 | 551 | 589 | 541 |
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 | 00:59AM0.27m | 1:06PM0.62m | 1:32AM0.32m | 1:41PM0.62m | 2:04AM0.37m | 2:12PM0.62m | ||||||||||||||||||
Low Tide | 5:47AM0.16m | 8:17PM0.13m | 6:43AM0.13m | 8:34PM0.11m | 7:31AM0.11m | 8:51PM0.09m | ||||||||||||||||||
 | |  | | |  | |  | | | | | | | | | | | | | | | | | |
 | — | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:25 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 26 |
Feels °C | 21 | 22 | 22 | 25 | 24 | 24 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 24 | 25 | 25 | 25 | 25 | 25 | 23 | 25 | 24 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 14 | SSW 13 | S 13 | S 13 | ENE 8 | SSW 13 | SSW 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 13 | S 13 | S 13 | S 12 | S 12 | SSW 16 | SSW 16 |
| kJ | 350 | 336 | 331 | 265 | 247 | 232 | 236 | 171 | 168 | 322 | 176 | 170 | 153 | 146 | 106 | 106 | 110 | 117 | 121 | 121 | 110 | 106 | 166 | 164 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 15 | SSW 15 | SW 14 | SW 14 | SW 13 | SW 14 | SW 13 | SW 13 | SSW 13 | NNW 13 | N 12 | N 12 | N 12 | N 11 | N 11 | N 11 | N 11 | NNW 10 | SW 17 | SW 17 | SW 16 | S 12 | S 12 |
| kJ | 33 | 33 | 21 | 32 | 32 | 46 | 31 | 46 | 46 | 178 | 55 | 75 | 72 | 69 | 63 | 61 | 61 | 57 | 35 | 145 | 138 | 125 | 75 | 76 |
Swell 3 Height (m) Direction Period (s) | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | N 14 | NNW 13 | SSW 13 | SSW 19 | SW 19 | SW 19 | SW 17 | SW 17 | SW 17 | SSW 17 | SW 17 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 |
| kJ | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 10 | 15 | 58 | 17 | 36 | 57 | 92 | 72 | 74 | 76 | 119 | 148 | 34 | 34 | 33 | 33 | 31 |
Wind waves Height (m) Direction Period (s) | 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 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | E 9 |
| kJ | 617 | 566 | 481 | 427 | 404 | 404 | 445 | 408 | 394 | — | 330 | 330 | 330 | 318 | 359 | 528 | 612 | 653 | 681 | 696 | 614 | 551 | 589 | 541 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 36 | 30 | 30 | 29 | 29 | 128 | 29 | 29 | 29 | 29 | 29 | 29 | 36 | 36 | 29 | 29 | 29 | 29 | 29 | 30 | 31 | 39 | 29 | 29 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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