Surf Forecasts:
How big are the waves at Lahaina Breakwall/Harbour today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 1.5ft (0.5m), 17s period with SW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 1.5ft (0.4m), 17s period with SW swell.
- Evening surf: Evening surf (21 Aug, local time) - 1.5ft (0.4m), 16s period with SW swell.
The current surf forecast for Lahaina Breakwall/Harbour at 10AM is: 0.5m 17s primary swell from a Southwest direction (forecast issued at 01:00am August 21). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 1.5ft (0.5m) | 17s |
| Afternoon (21 Aug) | 1.5ft (0.4m) | 17s |
| Evening (21 Aug) | 1.5ft (0.4m) | 16s |
Table - waves today at Lahaina Breakwall/Harbour. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Fri afternoon, min 25°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 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) | SW 16 | SW 17 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | WNW 11 | SW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 95 | 135 | 138 | 100 | 98 | 93 | 89 | 124 | 124 | 124 | 90 | 90 | 89 | 88 | 87 | 86 | 86 | 85 | 84 | 80 | 79 | 56 | 51 | 64 |
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 | off | off | cross-off | off | cross-off | cross-off | off | off | off | cross-off | off | off | off | off | off | off | off |
High Tide | 1:26PM0.57m | 1:58PM0.61m | 11:45PM0.28m | 2:25PM0.65m | ||||||||||||||||||||
Low Tide | 3:06AM0.12m | 5:01AM0.11m | 9:34PM0.25m | 6:12AM0.08m | 9:05PM0.24m | |||||||||||||||||||
 | |  | | |  | | | | | | | | | | |  | | | | | | | | |
 | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:50 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 27 | 28 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 25 |
Feels °C | 30 | 30 | 30 | 31 | 31 | 31 | 29 | 29 | 29 | 28 | 29 | 29 | 30 | 29 | 27 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | NNE 7 | NNE 6 | NE 7 | NE 7 | NE 7 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | WNW 12 | SW 15 | WNW 11 | WNW 12 | WNW 11 | NW 11 |
| kJ | 40 | 36 | 67 | 65 | 65 | 93 | 89 | 124 | 124 | 124 | 90 | 90 | 89 | 88 | 87 | 86 | 86 | 85 | 56 | 80 | 50 | 53 | 51 | 64 |
Swell 2 Height (m) Direction Period (s) | ENE 7 | E 7 | SW 17 | SW 17 | SW 17 | W 11 | W 10 | W 10 | W 10 | W 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | NW 13 | NW 12 | SW 15 | NW 11 | SW 15 | SW 15 | SW 14 | SW 15 |
| kJ | 19 | 24 | 138 | 100 | 98 | 35 | 31 | 31 | 31 | 31 | 32 | 33 | 33 | 33 | 35 | 21 | 44 | 39 | 84 | 33 | 79 | 56 | 33 | 54 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 17 | W 9 | W 11 | W 11 | S 11 | S 11 | E 8 | S 13 | S 13 | WSW 10 | WSW 10 | SW 10 | S 12 | WSW 10 | WNW 14 | WNW 10 | WNW 10 | WSW 9 | WNW 10 | SW 9 | SW 9 | SSW 15 | SW 9 |
| kJ | 95 | 135 | 28 | 37 | 37 | 9 | 9 | 6 | 13 | 13 | 10 | 10 | 4 | 11 | 9 | 19 | 19 | 20 | 8 | 9 | 3 | 3 | 21 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 |
| kJ | — | — | — | — | 73 | 123 | 144 | 110 | 102 | 121 | 121 | 124 | 146 | 193 | 199 | 203 | 195 | 195 | 195 | 169 | 160 | 131 | 160 | 160 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Maui | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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