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Big Beach Surf Forecast
/ HAW – Maui (46 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Big Beach surfForecast / HAW – Maui / USA
48hr Weather and Surf, issued 7 pm Wednesday 17 Sep 2025 HST
How big are the waves at Big Beach today?
The current surf forecast for Big Beach at 11PM is: 0.4m 15s primary swell from a Southwest direction and 0.3m 12s secondary swell from a South-southwest direction (forecast issued at 07:00pm September 17). An open ocean swell of 1.6m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | - | - |
| Afternoon (17 Sep) | 1.5ft (0.4m) | 15s |
| Evening (17 Sep) | 1.5ft (0.4m) | 15s |
Table - waves today at Big Beach. (Swell directed towards the surf break)
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 19 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 57 | 57 | 56 | 54 | 53 | 81 | 80 | 51 | 51 | 51 | 74 | 101 | 99 | 99 | 123 | 106 | 176 | 322 | 315 | 286 | 295 | 366 | 452 | 441 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | cross- off | cross- off | cross- off | off | off | off | off | off | cross- off | cross- off |
High Tide / height (m) | 2:03PM 0.58 | 1:40AM 0.31 | 2:30PM 0.58 | 2:17AM 0.37 | 2:53PM 0.58 | 2:51AM 0.42 | ||||||||||||||||||
Low Tide / height (m) | 8:46PM 0.12 | 7:14AM 0.03 | 8:54PM 0.11 | 7:56AM 0.03 | 9:05PM 0.09 | 8:33AM 0.04 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:13 | - | - |
| Sunset | 6:25 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - |
 |  | | | | |  | | | |  | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 27 | 26 | 25 | 25 | 25 | 25 | 27 | 28 | 28 | 26 | 26 | 25 | 25 | 26 | 28 | 28 | 28 | 26 | 26 | 25 | 25 | 26 | 27 | 27 |
| Feels °C (?) | 26 | 25 | 25 | 25 | 25 | 24 | 28 | 29 | 27 | 25 | 27 | 26 | 26 | 28 | 28 | 29 | 29 | 27 | 27 | 27 | 27 | 27 | 28 | 27 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for HAW - Maui
Continuing clean conditions at Big Beach (calm at Kēōkea wx 14 km from Big Beach). 0.4m 12s groundswell from the SSW with a 0.3m 15s groundswell, also from the SSW and a 0.2m 12s groundswell, also from the S. 3 swells combining to make bigger set waves.
Actual: 42 min ago
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