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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 05 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
25.8° C
(Which is 1.0°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 5PM is: 0.6m 12s primary swell from a Northwest direction (forecast issued at 01:00pm May 05). An open ocean swell of 0.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | 2ft (0.6m) | 12s |
| Afternoon (05 May) | 2ft (0.6m) | 12s |
| Evening (05 May) | 1.5ft (0.5m) | 12s |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 26°C on Tue afternoon, min 24°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 5 | Wednesday 6 | Thursday 7 | Fri 8 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 17 | NW 16 | NW 16 | NW 15 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 | |
89 | 89 | 87 | 84 | 61 | 59 | 58 | 42 | 41 | 40 | 39 | 36 | 35 | 35 | 24 | 71 | 93 | 157 | 141 | 174 | 130 | 221 | 215 | 212 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross | cross | cross-on | glassy | glassy | on | on | cross-on | cross-on | glassy | glassy | glassy | glassy | on | cross-on | cross-on | cross | cross-off | glassy | glassy | glassy | |
High Tide | 6:32PM0.73m | 6:01AM0.28m | 7:19PM0.70m | 7:07AM0.26m | 8:12PM0.67m | |||||||||||||||||||
Low Tide | 10:47AM0.11m | 2:15AM0.22m | 11:19AM0.14m | 3:26AM0.22m | 11:56AM0.18m | 4:29AM0.20m | ||||||||||||||||||
 | | |  |  | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — |
 | — | — | 6:47 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | 6:50 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 24 |
28 | 28 | 28 | 28 | 26 | 27 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 28 | 27 | 27 | 28 | |
Swell 1 Height (m) Direction Period (s) | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | S 16 | S 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | S 15 | S 15 | NW 15 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 |
 kJ | 89 | 89 | 87 | 84 | 61 | 59 | 58 | 42 | 41 | 40 | 131 | 131 | 201 | 146 | 83 | 172 | 109 | 109 | 141 | 174 | 130 | 221 | 215 | 212 |
Swell 2 Height (m) Direction Period (s) | NE 6 | SSW 12 | NE 6 | NE 6 | NE 6 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 17 | NW 16 | NW 16 | S 18 | S 18 | NW 12 | SSW 14 | S 16 | S 17 |
| kJ | 10 | 28 | 9 | 9 | 9 | 102 | 103 | 104 | 102 | 59 | 39 | 36 | 35 | 35 | 24 | 71 | 93 | 157 | 162 | 162 | 67 | 75 | 137 | 149 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | NE 6 | SSW 12 | SSW 12 | SSW 12 | NE 6 | SSW 11 | S 11 | SSW 11 | SSW 15 | SSW 11 | S 11 | S 11 | NE 9 | SSW 19 | NW 10 | SSW 18 | SSW 18 | SSW 14 | SSW 14 | S 18 | SSW 18 | SSW 13 | SSW 13 |
| kJ | 49 | 10 | 28 | 27 | 27 | 9 | 25 | 39 | 24 | 42 | 23 | 20 | 20 | 20 | 72 | 24 | 108 | 107 | 70 | 70 | 162 | 103 | 58 | 58 |
Wind waves Height (m) Direction Period (s) | SW 4 | — | — | — | S 5 | — | — | — | — | — | — | NNE 7 | NE 7 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | — | — | 2 | — | — | — | — | — | — | 4 | 7 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 100 | 105 | 100 | 38 | 24 | 58 | 11 | 57 | 100 | 99 | 99 | 19 | 11 | 11 | 11 | 0 | 99 | 100 | 26 | 4 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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