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Mahai'ula Bay Surf Forecast
/ HAW – Big Island (60 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Mahai'ula Bay surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 1 pm Tuesday 26 May 2026 HSTForecast update in hr min s Forecast update imminent
Mahai'ula Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mahai'ula Bay sea temperature is
26.2° C
(Which is slightly warmer than usual)How big are the waves at Mahai'ula Bay today?
The current surf forecast for Mahai'ula Bay at 10PM is: 0.4m 18s primary swell from a Northwest direction and 0.4m 3s secondary swell from a West direction (forecast issued at 01:00pm May 26). An open ocean swell of 1.2m 7s is not directed at the surf break, a second open ocean swell of 0.6m 15s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 May) | - | - |
| Afternoon (26 May) | 1.5ft (0.4m) | 3s |
| Evening (26 May) | 1.5ft (0.4m) | 18s |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Tue night. Warm (max 25°C on Tue afternoon, min 24°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 26 | Wednesday 27 | Thursday 28 | Fri 29 | |||||||||||||||||||||
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 | W 3 | W 3 | NW 18 | NW 18 | NW 17 | NW 16 | NW 16 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | S 22 | S 21 | S 21 | S 20 | S 20 | |
0 | 2 | 1 | 51 | 81 | 97 | 127 | 125 | 178 | 174 | 169 | 162 | 151 | 142 | 140 | 138 | 80 | 73 | 72 | 0 | 0 | 0 | 0 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | glassy | glassy | cross-off | glassy | cross-off | cross-off | glassy | cross-on | glassy | cross-on | glassy | cross-off | glassy | glassy | cross | cross-on | cross | glassy | glassy | glassy | glassy | glassy | |
High Tide | 1:34PM0.67m | 00:44AM0.44m | 2:08PM0.74m | 1:29AM0.40m | 2:40PM0.78m | 2:11AM0.37m | ||||||||||||||||||
Low Tide | 8:00PM0.28m | 6:54AM0.08m | 8:53PM0.24m | 7:22AM0.07m | 9:38PM0.21m | 7:52AM0.07m | ||||||||||||||||||
 | | |  | |  | |  | | | | | | | | | | | |  | | | | | |
 | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:43 | — |
 | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | 6:58 |
— | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 |
26 | 27 | 28 | 27 | 25 | 26 | 24 | 25 | 26 | 26 | 27 | 27 | 25 | 26 | 25 | 27 | 26 | 27 | 27 | 28 | 26 | 27 | 25 | 27 | |
Swell 1 Height (m) Direction Period (s) | NNE 8 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 6 | NNE 6 | NNE 7 | NNE 7 | NNE 7 | NE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NE 6 | NNE 6 | NNE 6 | S 21 | S 20 | S 20 |
 kJ | 88 | 93 | 114 | 114 | 123 | 106 | 66 | 40 | 43 | 42 | 47 | 59 | 56 | 53 | 42 | 33 | 31 | 30 | 42 | 49 | 44 | 436 | 525 | 624 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 16 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | NW 15 | S 13 | S 13 | NW 14 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 21 | NNE 6 | NNE 8 | NNE 13 |
| kJ | 174 | 172 | 163 | 153 | 150 | 146 | 144 | 140 | 134 | 174 | 125 | 123 | 151 | 116 | 107 | 105 | 103 | 103 | 102 | 98 | 449 | 29 | 54 | 195 |
Swell 3 Height (m) Direction Period (s) | SSE 4 | SSE 4 | S 4 | NW 18 | NW 18 | NW 17 | NW 16 | NW 16 | NW 15 | S 13 | NW 14 | NW 14 | S 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | S 22 | S 12 | S 11 | S 11 | S 11 |
| kJ | 4 | 4 | 3 | 51 | 81 | 97 | 127 | 125 | 178 | 130 | 169 | 162 | 119 | 142 | 140 | 138 | 80 | 73 | 72 | 236 | 66 | 64 | 61 | 61 |
Wind waves Height (m) Direction Period (s) | — | W 3 | W 3 | W 3 | W 3 | — | WSW 3 | NW 10 | WNW 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 2 | 1 | 5 | 3 | — | 3 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 103 | 103 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 100 | 0 | 100 | 0 | 0 | 0 | 0 | 99 | 113 | 100 | 18 | 18 | 100 | 18 | 1 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
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