Surf Forecasts:
How big are the waves at Big Beach today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 2ft (0.6m), 13s period with S swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 2ft (0.6m), 13s period with S swell.
- Evening surf: Evening surf (18 Aug, local time) - 2ft (0.6m), 13s period with S swell.
The current surf forecast for Big Beach at 2AM is: 0.7m 13s primary swell from a South direction and 0.2m 11s secondary swell from a West direction (forecast issued at 07:00pm August 17). An open ocean swell of 1.2m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 2ft (0.6m) | 13s |
| Afternoon (18 Aug) | 2ft (0.6m) | 13s |
| Evening (18 Aug) | 2ft (0.6m) | 13s |
Table - waves today at Big Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Tue afternoon, min 24°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||
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 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | SW 18 | S 12 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 257 | 253 | 181 | 170 | 165 | 119 | 123 | 119 | 119 | 121 | 121 | 82 | 71 | 68 | 69 | 130 | 71 | 102 | 66 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | off | off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 5:58PM0.42m | 8:09AM0.40m | 5:51PM0.38m | 10:09AM0.39m | |||||||||||||||
Low Tide | 00:39AM0.06m | 1:00PM0.23m | 1:08AM0.06m | ||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 25 | 24 | 24 | 25 | 26 | 27 | 26 | 25 | 24 | 24 | 24 | 25 | 27 | 27 | 26 | 25 | 25 |
Feels °C | 28 | 27 | 26 | 25 | 25 | 26 | 27 | 28 | 26 | 26 | 25 | 25 | 26 | 27 | 30 | 29 | 27 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | E 8 | E 8 | S 13 | S 13 | S 13 | S 13 | E 8 | S 12 | E 8 | E 8 | E 8 | S 12 | S 12 |
| kJ | 257 | 253 | 181 | 170 | 165 | 119 | 65 | 115 | 119 | 121 | 121 | 82 | 68 | 68 | 107 | 84 | 82 | 72 | 45 |
Swell 2 Height (m) Direction Period (s) | E 9 | W 11 | W 11 | W 11 | W 11 | SW 16 | S 13 | S 13 | SW 18 | SW 18 | SW 18 | SW 18 | S 12 | SW 16 | S 12 | S 12 | S 12 | SSW 16 | SW 16 |
| kJ | 15 | 10 | 10 | 10 | 10 | 69 | 123 | 119 | 79 | 80 | 80 | 79 | 71 | 67 | 69 | 71 | 71 | 102 | 66 |
Swell 3 Height (m) Direction Period (s) | W 11 | SSW 20 | SSW 20 | W 6 | SSW 16 | W 11 | SW 17 | SW 17 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | SW 16 | SW 16 | SW 16 | SW 20 | SSW 19 |
| kJ | 10 | 37 | 37 | 3 | 26 | 10 | 74 | 77 | 14 | 14 | 30 | 26 | 26 | 25 | 67 | 130 | 65 | 60 | 37 |
Wind waves Height (m) Direction Period (s) | E 8 | E 5 | E 5 | E 5 | E 5 | E 5 | E 4 | E 8 | E 9 | E 4 | E 5 | E 8 | E 4 | E 8 | — | E 8 | E 8 | E 8 | E 5 |
| kJ | 133 | 76 | 100 | 68 | 62 | 62 | 25 | 157 | 120 | 57 | 62 | 167 | 17 | 109 | — | 130 | 157 | 129 | 73 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 |
Best forecast wave conditions in Maui | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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