Surf Forecasts:
How big are the waves at Big Beach today (15 Aug):
- Morning surf: Morning surf (15 Aug, local time) - 2.5ft (0.8m), 13s period with S swell.
- Afternoon surf: Afternoon surf (15 Aug, local time) - 2.5ft (0.8m), 13s period with S swell.
- Evening surf: Evening surf (15 Aug, local time) - 2.5ft (0.8m), 13s period with SSW swell.
The current surf forecast for Big Beach at 1AM is: 0.9m 14s primary swell from a South direction and 0.2m 11s secondary swell from a West direction (forecast issued at 07:00pm August 14). An open ocean swell of 2.5m 12s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | 2.5ft (0.8m) | 13s |
| Afternoon (15 Aug) | 2.5ft (0.8m) | 13s |
| Evening (15 Aug) | 2.5ft (0.8m) | 13s |
Table - waves today at Big Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 95mm), heaviest during Sat night. Warm (max 28°C on Sat afternoon, min 25°C on Sat night). Winds decreasing (near gales from the ENE on Sat night, light winds from the E by Sun afternoon). | |||||||||||||||||||
Fri 14 | Saturday 15 | Sunday 16 | |||||||||||||||||
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 14 | S 13 | S 13 | S 13 | S 13 | S 13 | SSW 13 | S 13 | S 10 | S 9 | S 8 | S 8 | S 7 | S 13 | S 13 | S 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 411 | 405 | 315 | 293 | 289 | 225 | 225 | 222 | 225 | 239 | 289 | 1026 | 1150 | 638 | 378 | 206 | 168 | 219 | 222 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | off | off |
High Tide | 5:11PM0.59m | 5:20AM0.42m | 5:33PM0.53m | 6:07AM0.42m | 5:49PM0.48m | ||||||||||||||
Low Tide | 11:25PM0.07m | 10:57AM0.06m | 11:49PM0.06m | 11:35AM0.12m | |||||||||||||||
 |  | |  | |  | |  |  |  | | | | | | |  |  | | |
 | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | 6:55 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:53 | — | — |
mm | — | — | — | 1 | 2 | 2 | 5 | 1 | — | 9 | 32 | 30 | 7 | 3 | 2 | 1 | — | — | — |
Temp °C | 28 | 27 | 26 | 27 | 27 | 27 | 27 | 28 | 27 | 25 | 25 | 26 | 27 | 27 | 28 | 28 | 28 | 27 | 26 |
Feels °C | 28 | 27 | 26 | 26 | 26 | 25 | 24 | 25 | 22 | 18 | 21 | 25 | 29 | 30 | 31 | 31 | 31 | 31 | 29 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | SSW 13 | S 13 | S 10 | S 9 | S 8 | S 8 | S 7 | S 7 | S 7 | S 6 |
| kJ | 411 | 405 | 315 | 293 | 289 | 225 | 225 | 222 | 225 | 239 | 289 | 1026 | 1016 | 638 | 378 | 206 | 135 | 86 | 49 |
Swell 2 Height (m) Direction Period (s) | W 12 | W 12 | SSW 17 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | S 18 | S 18 | S 18 | E 9 | E 9 | E 9 | S 13 | S 13 | S 13 | S 13 |
| kJ | 11 | 11 | 30 | 10 | 10 | 9 | 9 | 10 | 10 | 99 | 99 | 99 | 963 | 562 | 389 | 168 | 168 | 219 | 222 |
Swell 3 Height (m) Direction Period (s) | SSW 17 | SSW 17 | W 12 | SSW 17 | SW 17 | S 20 | S 20 | S 20 | SW 16 | WSW 16 | SSW 16 | W 13 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 |
| kJ | 30 | 29 | 11 | 30 | 11 | 8 | 30 | 30 | 10 | 25 | 25 | 13 | 150 | 195 | 330 | 185 | 127 | 125 | 125 |
Wind waves Height (m) Direction Period (s) | E 11 | E 11 | E 11 | E 12 | E 12 | E 12 | E 10 | E 10 | E 10 | E 11 | E 11 | E 10 | S 9 | — | E 9 | E 8 | E 8 | E 8 | E 8 |
| kJ | 1271 | 1429 | 1417 | 1680 | 2457 | 3232 | 3164 | 3362 | 3698 | 7561 | 7255 | 2457 | 1150 | — | 645 | 501 | 529 | 418 | 355 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 34 | 114 | 103 | 103 | 103 | 103 | 103 | 122 | 362 | 362 | 90 | 72 | 2 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Maui | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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