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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 7 am Sunday 31 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
25.9° C
(Which is slightly warmer than usual)Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 27°C on Sun afternoon, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | S 20 | S 19 | S 19 | S 19 | SSW 18 | S 18 | S 18 | S 18 | S 17 | S 21 | S 20 | S 19 | S 19 | S 16 | N 13 | S 18 | SSW 18 | S 18 | S 18 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | glassy | glassy | on | cross-on | cross | cross | glassy | glassy | glassy | glassy | on | cross-on | cross-on | on | on | cross-off | |
High Tide | 3:27AM0.33m | 4:21PM0.82m | 4:03AM0.32m | 4:58PM0.81m | 4:39AM0.31m | 5:35PM0.79m | ||||||||||||||||||
Low Tide | 8:55AM0.06m | 11:36PM0.17m | 9:28AM0.06m | 00:17AM0.17m | 10:01AM0.07m | 00:59AM0.18m | ||||||||||||||||||
 |  | | | |  | | | | |  | | | | | | | | | | | | | | |
 | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | 5:43 |
 | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — | 7:00 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 25 | 26 | 27 | 27 | 25 | 25 | 25 | 24 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 25 | 27 | 27 | 27 | 26 | 25 | 25 |
26 | 27 | 27 | 28 | 29 | 27 | 26 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 29 | 29 | 27 | 28 | 30 | 29 | 29 | 29 | 28 | 29 | |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 18 | S 18 | S 18 | S 18 | S 17 | S 16 | S 20 | SSW 16 | SSW 16 | S 16 | SSW 16 | SSW 15 | SSW 18 | SSW 15 | SSW 15 |
 kJ | 400 | 380 | 360 | 355 | 280 | 276 | 346 | 346 | 273 | 534 | 639 | 632 | 625 | 589 | 542 | 942 | 644 | 893 | 858 | 893 | 581 | 940 | 675 | 566 |
Swell 2 Height (m) Direction Period (s) | NNE 8 | NNE 8 | NNE 8 | SSW 21 | SSW 20 | S 20 | S 19 | S 19 | S 19 | SSW 14 | SSW 14 | SSW 13 | NNE 5 | S 21 | S 21 | SSW 14 | S 19 | S 19 | S 19 | SSW 19 | S 18 | S 15 | S 18 | S 18 |
| kJ | 23 | 24 | 24 | 87 | 132 | 276 | 369 | 365 | 450 | 207 | 192 | 135 | 25 | 445 | 562 | 247 | 922 | 922 | 767 | 627 | 794 | 435 | 777 | 768 |
Swell 3 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | NE 8 | NNE 4 | NNE 4 | NNE 4 | NNE 4 | NNE 8 | NE 10 | NNE 5 | S 13 | S 13 | S 13 | SSW 16 | NE 9 | — | — | N 13 | NNE 5 | NNE 6 | NNE 6 | NNE 6 |
| kJ | 21 | 20 | 20 | 20 | 16 | 10 | 10 | 7 | 7 | 32 | 46 | 23 | 123 | 123 | 125 | 266 | 27 | — | — | 4 | 19 | 28 | 24 | 22 |
Wind waves Height (m) Direction Period (s) | — | — | — | NNE 7 | NNE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 21 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 11 | 19 | 99 | 99 | 13 | 24 | 23 | 24 | 11 | 11 | 99 | 100 | 38 | 38 | 18 | 11 | 19 | 99 | 100 | 103 | 32 | 100 | 100 | 15 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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