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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 Sunday 26 Apr 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
25.8° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Mahai'ula Bay today?
The current surf forecast for Mahai'ula Bay at 6PM is: 0.4m 12s primary swell from a Northwest direction (forecast issued at 01:00pm April 26). An open ocean swell of 0.7m 8s is not directed at the surf break, a second open ocean swell of 0.6m 14s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Apr) | 1.5ft (0.4m) | 10s |
| Afternoon (26 Apr) | 1.5ft (0.4m) | 10s |
| Evening (26 Apr) | - | - |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Tue night. Warm (max 26°C on Sun afternoon, min 23°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 26 | Monday 27 | Tuesday 28 | Wed 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 |    |    |    |    | ||||||||||||||||||||
WNW 10 | WNW 10 | NW 12 | SSW 14 | SW 14 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | SW 13 | NW 10 | NNW 10 | NNW 10 | NNW 10 | WNW 14 | NNE 6 | NW 13 | NW 13 | NW 13 | |
33 | 32 | 37 | 0 | 0 | 33 | 32 | 32 | 19 | 19 | 19 | 18 | 17 | 16 | 58 | 16 | 11 | 10 | 10 | 21 | 0 | 28 | 27 | 60 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-off | glassy | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | on | cross-on | cross-on | cross-off | glassy | glassy | cross | cross | |
High Tide | 1:23PM0.52m | 00:52AM0.61m | 1:59PM0.61m | 1:32AM0.57m | 2:32PM0.68m | 2:08AM0.52m | ||||||||||||||||||
Low Tide | 6:52PM0.25m | 7:28AM0.09m | 7:53PM0.23m | 7:51AM0.07m | 8:44PM0.21m | |||||||||||||||||||
 | | |  | |  | | |  | | | | | | | | | | | |  | | | | |
 | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — |
 | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | 6:45 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | |
Temp °C | 25 | 26 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 25 | 24 | 24 | 24 | 23 | 24 |
27 | 27 | 25 | 27 | 26 | 26 | 26 | 28 | 26 | 26 | 26 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 25 | 26 | 26 | 24 | 24 | |
Swell 1 Height (m) Direction Period (s) | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NE 8 | NNE 8 | NNE 7 | NE 7 | NE 7 | NNE 7 | NNE 7 | NNE 6 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NE 7 | NNE 6 | NNE 7 | NNE 7 | NW 13 |
 kJ | 56 | 69 | 74 | 37 | 37 | 69 | 78 | 59 | 50 | 48 | 53 | 38 | 31 | 38 | 28 | 29 | 31 | 32 | 30 | 44 | 64 | 54 | 44 | 60 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SSW 14 | NNE 6 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | NE 7 |
| kJ | 169 | 169 | 167 | 136 | 20 | 93 | 89 | 88 | 85 | 85 | 84 | 84 | 84 | 83 | 58 | 39 | 38 | 37 | 37 | 37 | 36 | 36 | 36 | 12 |
Swell 3 Height (m) Direction Period (s) | WNW 10 | WNW 10 | NW 12 | NNE 5 | SW 14 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NNW 10 | NNW 10 | NNW 10 | WNW 14 | SSE 11 | NW 13 | NW 13 | SW 12 |
| kJ | 33 | 32 | 37 | 19 | 97 | 33 | 32 | 32 | 19 | 19 | 19 | 18 | 17 | 16 | 17 | 16 | 11 | 10 | 10 | 21 | 12 | 28 | 27 | 36 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 9 | W 9 | — | — | — | WSW 9 | — | SSE 6 | WSW 8 | — | — | — | — | — | NW 4 | NNE 5 |
| kJ | — | — | — | — | — | — | — | — | 14 | 14 | — | — | — | 7 | — | 3 | 6 | — | — | — | — | — | 1 | 14 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 34 | 34 | 38 | 100 | 1 | 19 | 1 | 1 | 103 | 105 | 105 | 1 | 1 | 1 | 0 | 11 | 99 | 105 | 105 | 24 | 11 | 1 | 19 | 11 |
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)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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