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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 am Wednesday 20 May 2026 HSTForecast update in hr min s Forecast update imminent
Big Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Big Beach sea temperature is
25.7° C
(Which is slightly warmer than usual)How big are the waves at Big Beach today?
The current surf forecast for Big Beach at 3PM is: 0.5m 14s primary swell from a South-southwest direction and 0.3m 18s secondary swell from a South-southwest direction (forecast issued at 07:00am May 20). An open ocean swell of 2.1m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 2ft (0.6m) | 14s |
| Afternoon (20 May) | 1.5ft (0.5m) | 14s |
| Evening (20 May) | 1.5ft (0.4m) | 17s |
Table - waves today at Big Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 26°C on Wed afternoon, min 22°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 17 | SSW 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | SSW 15 | SSW 15 | S 15 | S 15 | S 15 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | |
160 | 215 | 160 | 154 | 105 | 101 | 94 | 135 | 134 | 132 | 132 | 183 | 119 | 172 | 169 | 157 | 157 | 109 | 106 | 100 | 97 | 147 | 133 | 190 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | |
High Tide | 4:47AM0.21m | 7:47PM0.55m | 5:49AM0.18m | 8:45PM0.51m | 8:15AM0.17m | 9:42PM0.47m | ||||||||||||||||||
Low Tide | 2:11AM0.14m | 11:30AM-0.05m | 3:50AM0.13m | 12:22PM0.00m | 4:55AM0.11m | 1:28PM0.06m | ||||||||||||||||||
 |  | |  | | | |  | | | | | | | | | | | | | | | | | |
 | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | 5:46 |
 | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | 6:59 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 25 | 25 | 26 | 25 | 24 | 24 | 23 | 23 | 24 | 25 | 26 | 25 | 24 | 23 | 23 | 22 | 23 | 25 | 26 | 24 | 24 | 23 | 23 |
24 | 25 | 24 | 24 | 22 | 22 | 22 | 21 | 20 | 22 | 22 | 24 | 22 | 21 | 20 | 21 | 19 | 21 | 21 | 22 | 21 | 21 | 21 | 20 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | SSW 15 | SSW 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 17 | S 16 | S 16 |
 kJ | 160 | 215 | 160 | 154 | 105 | 67 | 69 | 135 | 134 | 132 | 132 | 183 | 119 | 172 | 169 | 157 | 157 | 109 | 106 | 100 | 96 | 147 | 133 | 190 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 15 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | S 18 | S 18 | S 18 | S 18 | SSW 14 | SSW 13 | SSW 13 |
| kJ | 41 | 41 | 63 | 62 | 61 | 101 | 94 | 67 | 34 | 34 | 32 | 8 | 29 | 14 | 14 | 14 | 14 | 58 | 99 | 98 | 97 | 61 | 60 | 58 |
Swell 3 Height (m) Direction Period (s) | S 10 | S 9 | SW 16 | SSW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SSW 14 | SSW 14 | SE 13 | SE 13 | SSE 13 | S 20 | S 19 | SE 12 | SE 12 | SE 12 | S 11 | S 11 | SSW 11 | SSW 11 | S 12 |
| kJ | 2 | 2 | 41 | 25 | 10 | 10 | 9 | 8 | 33 | 20 | 20 | 7 | 7 | 16 | 30 | 30 | 6 | 6 | 6 | 9 | 9 | 12 | 12 | 3 |
Wind waves Height (m) Direction Period (s) | E 8 | E 6 | E 6 | E 7 | E 8 | E 6 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 7 | E 7 | E 8 | E 8 | E 9 | E 9 | E 8 | E 6 | E 6 | E 6 | E 6 | E 6 |
| kJ | 356 | 247 | 344 | 430 | 601 | 344 | 414 | 392 | 403 | 628 | 703 | 746 | 483 | 502 | 616 | 630 | 600 | 593 | 524 | 249 | 298 | 308 | 275 | 279 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 11 | 11 | 11 | 0 | 11 | 11 | 0 | 11 | 0 | 11 | 114 | 34 | 11 | 11 | 0 | 121 | 114 | 114 | 11 | 11 | 11 |
Best forecast wave conditions in Maui | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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