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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 1 pm Thursday 21 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
25.8° C
(Which is slightly warmer than usual)How big are the waves at Big Beach today?
The current surf forecast for Big Beach at 7PM is: 0.6m 15s primary swell from a South direction and 0.2m 12s secondary swell from a South-southwest direction (forecast issued at 01:00pm May 21). An open ocean swell of 2.4m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 1.5ft (0.5m) | 16s |
| Afternoon (21 May) | 1.5ft (0.5m) | 16s |
| Evening (21 May) | 2ft (0.6m) | 15s |
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 Thu afternoon, min 22°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
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 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | |
132 | 183 | 119 | 172 | 169 | 157 | 157 | 109 | 106 | 100 | 97 | 147 | 133 | 190 | 188 | 186 | 125 | 224 | 215 | 157 | 155 | 150 | 142 | 93 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | off | off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | |
High Tide | 8:45PM0.51m | 8:15AM0.17m | 9:42PM0.47m | 10:55AM0.20m | 10:32PM0.44m | |||||||||||||||||||
Low Tide | 12:22PM0.00m | 4:55AM0.11m | 1:28PM0.06m | 5:29AM0.09m | 3:01PM0.11m | 5:54AM0.06m | ||||||||||||||||||
 | |  |  | | | | | | | | | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:45 | — |
 | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | 6:59 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 26 | 24 | 24 | 23 | 22 | 23 | 24 | 25 | 26 | 25 | 24 | 23 | 23 | 23 | 24 | 25 | 24 | 24 | 23 | 23 | 23 | 22 | 23 |
22 | 23 | 20 | 21 | 19 | 19 | 20 | 22 | 22 | 22 | 22 | 21 | 20 | 21 | 20 | 20 | 21 | 20 | 22 | 20 | 20 | 21 | 20 | 20 | |
Swell 1 Height (m) Direction Period (s) | 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 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 |
 kJ | 132 | 183 | 119 | 172 | 169 | 157 | 157 | 109 | 106 | 100 | 96 | 147 | 133 | 190 | 188 | 186 | 125 | 224 | 215 | 157 | 155 | 150 | 142 | 93 |
Swell 2 Height (m) Direction Period (s) | 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 | SSW 13 | SSW 13 | SSW 13 | S 10 | S 11 | S 18 | S 18 | S 17 | NW 13 | S 16 |
| kJ | 33 | 8 | 29 | 14 | 14 | 14 | 14 | 58 | 99 | 98 | 97 | 61 | 60 | 58 | 58 | 34 | 60 | 2 | 3 | 25 | 25 | 23 | 7 | 46 |
Swell 3 Height (m) Direction Period (s) | SSW 14 | SE 13 | SE 13 | SE 13 | S 20 | S 19 | SE 12 | SE 12 | SE 12 | S 11 | S 11 | SSW 11 | SSW 11 | S 12 | S 12 | S 12 | S 12 | S 12 | NW 16 | NW 15 | NW 15 | NW 14 | S 11 | NW 13 |
| kJ | 20 | 7 | 7 | 7 | 30 | 30 | 6 | 6 | 6 | 9 | 9 | 12 | 12 | 3 | 3 | 3 | 3 | 3 | 10 | 9 | 8 | 8 | 2 | 7 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 7 | E 7 | E 7 | E 8 | E 9 | E 9 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 |
| kJ | 728 | 770 | 557 | 557 | 442 | 572 | 554 | 607 | 266 | 285 | 308 | 261 | 266 | 266 | 243 | 197 | 232 | 239 | 251 | 235 | 200 | 193 | 136 | 154 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 34 | 11 | 121 | 114 | 34 | 0 | 0 | 2 | 11 | 11 | 121 | 11 | 11 | 0 | 34 | 103 | 370 | 362 | 0 | 11 | 34 | 0 | 2 | 0 |
Best forecast wave conditions in Maui | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Big Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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