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Hapuna Surf Forecast
/ HAW – Big Island (60 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Hapuna surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 1 am Monday 18 May 2026 HSTForecast update in hr min s Forecast update imminent
Hapuna surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hapuna sea temperature is
26.1° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Hapuna today?
The current surf forecast for Hapuna at 4AM is: 0.3m 14s primary swell from a Southwest direction (forecast issued at 01:00am May 18). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 1.5ft (0.4m) | 13s |
| Afternoon (18 May) | 1ft (0.3m) | 19s |
| Evening (18 May) | 1ft (0.3m) | 14s |
Table - waves today at Hapuna. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Mon morning. Warm (max 27°C on Mon morning, min 24°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SSW 14 | SW 14 | SW 13 | SSW 19 | SW 19 | SSW 13 | SW 14 | SSW 14 | NNE 5 | NE 7 | SSW 18 | SSW 14 | SSW 14 | SSW 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | |
19 | 29 | 45 | 37 | 59 | 17 | 32 | 20 | 0 | 0 | 30 | 19 | 20 | 20 | 7 | 0 | 21 | 21 | 20 | 20 | 20 | 18 | 17 | 17 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | glassy | cross | off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 4:56AM0.21m | 5:53PM0.86m | 5:55AM0.19m | 6:45PM0.82m | 7:04AM0.19m | 7:40PM0.76m | ||||||||||||||||||
Low Tide | 00:26AM0.02m | 10:16AM-0.08m | 1:26AM0.02m | 11:03AM-0.04m | 2:26AM0.03m | 11:55AM0.01m | ||||||||||||||||||
 |  |  |  |  | |  |  | | | |  | | | | | | | | | | | | | |
 | — | 5:46 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:53 | — | — |
1 | — | 1 | — | 1 | 1 | 1 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 25 | 27 | 27 | 27 | 25 | 25 | 24 | 24 | 25 | 27 | 27 | 27 | 26 | 25 | 24 | 24 | 25 | 27 | 27 | 26 | 24 | 25 |
28 | 28 | 28 | 30 | 30 | 30 | 28 | 28 | 27 | 26 | 27 | 29 | 30 | 30 | 28 | 27 | 26 | 26 | 26 | 27 | 28 | 27 | 23 | 26 | |
Swell 1 Height (m) Direction Period (s) | NE 7 | NE 7 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NNE 5 | NNE 5 | NE 5 | NNE 5 | NE 5 | NE 6 | NE 6 | NE 6 | NE 6 | NNE 5 | NE 8 | NNE 5 | NE 7 | NE 8 | NE 8 | SSW 13 | NE 9 |
 kJ | 73 | 55 | 60 | 54 | 66 | 75 | 52 | 17 | 17 | 9 | 19 | 23 | 39 | 32 | 60 | 32 | 17 | 67 | 18 | 105 | 145 | 145 | 17 | 36 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SW 14 | SW 13 | SSW 19 | SW 19 | SSW 13 | SW 14 | ENE 7 | NE 7 | NNE 6 | NE 7 | NE 7 | ENE 8 | NE 7 | SSW 15 | NE 8 | NE 8 | SSW 14 | NE 8 | SSW 14 | SSW 14 | SSW 13 | NNW 11 | SSW 13 |
| kJ | 19 | 29 | 45 | 37 | 59 | 17 | 32 | 21 | 14 | 12 | 8 | 13 | 6 | 13 | 44 | 16 | 23 | 21 | 23 | 20 | 20 | 18 | 13 | 17 |
Swell 3 Height (m) Direction Period (s) | S 14 | S 14 | SW 20 | SSW 13 | SSW 13 | SW 19 | ENE 8 | SSW 14 | NNE 6 | NE 7 | SSW 18 | SSW 14 | SSW 14 | SSW 14 | SW 14 | SSW 14 | SSW 14 | SW 16 | SSW 14 | NNW 12 | NNW 12 | NNW 12 | S 17 | N 11 |
| kJ | 4 | 4 | 15 | 17 | 17 | 15 | 6 | 20 | 7 | 14 | 30 | 19 | 20 | 20 | 7 | 41 | 21 | 10 | 20 | 14 | 14 | 14 | 6 | 9 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 8 | NE 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 156 | 46 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 41 | 44 | 41 | 41 | 93 | 93 | 49 | 60 | 84 | 84 | 41 | 49 | 93 | 104 | 41 | 49 | 44 | 45 | 45 | 41 | 96 | 104 | 41 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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