Surf Forecasts:
How big are the waves at Big Beach today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 2.5ft (0.8m), 16s period with S swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 2ft (0.6m), 16s period with S swell.
- Evening surf: Evening surf (16 Aug, local time) - 2.5ft (0.8m), 13s period with S swell.
The current surf forecast for Big Beach at 1AM is: 1.6m 9s primary swell from a South direction and 0.7m 13s secondary swell from a South direction (forecast issued at 07:00pm August 15). An open ocean swell of 4.0m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 2.5ft (0.8m) | 16s |
| Afternoon (16 Aug) | 2ft (0.6m) | 16s |
| Evening (16 Aug) | 2.5ft (0.8m) | 13s |
Table - waves today at Big Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 43mm), heaviest during Sat night. Warm (max 28°C on Sun morning, min 24°C on Mon night). Winds decreasing (near gales from the ENE on Sat night, light winds from the ENE by Sun afternoon). | |||||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | |||||||||||||||||
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 13 | S 13 | S 14 | S 9 | S 8 | S 17 | S 16 | S 16 | S 16 | S 13 | S 13 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 225 | 173 | 232 | 412 | 356 | 355 | 330 | 185 | 183 | 219 | 222 | 347 | 338 | 338 | 264 | 264 | 257 | 253 | 179 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | off | off |
High Tide | 5:33PM0.53m | 6:07AM0.42m | 5:49PM0.48m | 7:00AM0.41m | 5:58PM0.42m | ||||||||||||||
Low Tide | 11:49PM0.06m | 11:35AM0.12m | 00:14AM0.06m | 12:13PM0.17m | |||||||||||||||
 |  |  | | | | | | |  | | | |  | | |  | | | |
 | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | 6:54 | — | — | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:52 | — | — |
mm | 1 | 3 | 16 | 12 | 5 | 2 | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 26 | 26 | 26 | 27 | 28 | 27 | 27 | 27 | 26 | 26 | 25 | 26 | 26 | 27 | 27 | 25 | 25 |
Feels °C | 25 | 22 | 24 | 24 | 27 | 28 | 30 | 29 | 30 | 30 | 29 | 29 | 27 | 28 | 27 | 28 | 28 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 14 | S 9 | S 8 | S 8 | S 8 | S 7 | S 7 | S 7 | S 6 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 |
| kJ | 225 | 173 | 232 | 412 | 356 | 177 | 216 | 146 | 110 | 85 | 62 | 347 | 338 | 338 | 264 | 264 | 257 | 253 | 179 |
Swell 2 Height (m) Direction Period (s) | W 11 | S 18 | S 18 | S 13 | S 18 | S 17 | S 16 | S 13 | S 13 | S 13 | S 13 | S 6 | S 6 | SSW 5 | SSW 5 | SW 5 | E 9 | W 11 | W 11 |
| kJ | 10 | 99 | 99 | 158 | 97 | 355 | 330 | 168 | 168 | 219 | 222 | 44 | 23 | 9 | 5 | 4 | 15 | 10 | 10 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | W 13 | W 13 | S 18 | S 15 | S 10 | W 12 | S 16 | S 16 | S 16 | S 16 | W 11 | W 11 | W 11 | SSW 18 | SSW 19 | SSW 19 | SW 6 | WSW 6 |
| kJ | 25 | 13 | 13 | 99 | 68 | 96 | 26 | 185 | 183 | 125 | 125 | 23 | 22 | 22 | 31 | 34 | 37 | 5 | 3 |
Wind waves Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 5 | E 5 | E 8 | E 8 | E 5 |
| kJ | 4804 | 7497 | 4476 | 2344 | 1336 | 895 | 671 | 555 | 382 | 291 | 284 | 270 | 228 | 167 | 100 | 104 | 159 | 137 | 80 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 117 | 103 | 370 | 103 | 0 | 0 | 11 | 72 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Maui | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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