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Kahalu'u Beach Park Surf Forecast
/ HAW – Big Island (60 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Kahalu'u Beach Park surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 1 am Thursday 14 May 2026 HSTForecast update in hr min s Forecast update imminent
Kahalu'u Beach Park surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kahalu'u Beach Park sea temperature is
26.0° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Kahalu'u Beach Park today?
The current surf forecast for Kahalu'u Beach Park at 7AM is: 0.3m 13s primary swell from a South-southwest direction and 0.2m 14s secondary swell from a South-southwest direction, 0.2m 4s secondary swell from a South-southwest direction (forecast issued at 01:00am May 14). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 1ft (0.3m) | 13s |
| Afternoon (14 May) | 1ft (0.3m) | 12s |
| Evening (14 May) | 1ft (0.3m) | 17s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Warm (max 27°C on Sat morning, min 24°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 14 | Friday 15 | Saturday 16 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
S 13 | S 13 | SSW 13 | SSW 18 | S 12 | NW 15 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 14 | SW 15 | SW 15 | SSW 16 | SSW 17 | SSW 17 | SSW 17 | |
54 | 52 | 34 | 31 | 25 | 34 | 47 | 45 | 69 | 67 | 65 | 65 | 64 | 64 | 64 | 64 | 64 | 65 | 77 | 107 | 91 | 92 | 96 | 99 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | glassy | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | on | on | on | glassy | cross-on | |
High Tide | 1:23AM0.49m | 2:36PM0.82m | 2:09AM0.44m | 3:17PM0.89m | 2:54AM0.40m | 4:01PM0.93m | ||||||||||||||||||
Low Tide | 7:31AM0.02m | 9:15PM0.19m | 8:04AM-0.01m | 10:11PM0.16m | 8:40AM-0.03m | |||||||||||||||||||
 | |  | |  | |  | | | |  | | | |  | | | | | | | | | | |
 | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — |
1 | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 25 | 27 | 27 | 26 | 26 | 25 |
27 | 26 | 27 | 25 | 27 | 27 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 27 | 28 | 29 | 29 | 28 | 29 | 28 | |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | SSW 13 | S 12 | S 12 | NW 15 | NW 15 | S 12 | NW 14 | NW 13 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | NW 12 | SW 16 | SW 14 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SSW 17 |
 kJ | 54 | 52 | 34 | 25 | 25 | 34 | 34 | 25 | 49 | 63 | 65 | 65 | 64 | 64 | 64 | 23 | 64 | 49 | 77 | 107 | 54 | 54 | 53 | 99 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | S 12 | SW 17 | SW 17 | S 12 | SW 16 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | SW 16 | NW 12 | NW 12 | SSW 19 | NW 11 | SSW 16 | SSW 17 | SSW 17 | SW 14 |
| kJ | 21 | 21 | 20 | 20 | 16 | 11 | 47 | 45 | 26 | 67 | 62 | 44 | 59 | 54 | 23 | 64 | 22 | 22 | 69 | 19 | 91 | 92 | 96 | 53 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | SSW 18 | S 12 | SSW 18 | NNW 16 | SSW 12 | S 12 | NW 14 | SW 16 | S 12 | S 11 | S 11 | S 11 | S 11 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | NW 12 | S 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 |
| kJ | 31 | 31 | 12 | 31 | 24 | 14 | 25 | 33 | 69 | 28 | 10 | 9 | 9 | 9 | 33 | 62 | 62 | 65 | 21 | 25 | 27 | 27 | 26 | 24 |
Wind waves Height (m) Direction Period (s) | SW 2 | — | SSW 4 | WNW 2 | WNW 2 | — | S 5 | — | — | — | — | SSW 5 | WNW 2 | SW 4 | SW 2 | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | 1 | 1 | 1 | — | 2 | — | — | — | — | 3 | 1 | 4 | 1 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 2 | 25 | 99 | 94 | 1 | 1 | 13 | 14 | 6 | 0 | 94 | 99 | 94 | 25 | 0 | 0 | 0 | 0 | 123 | 125 | 125 | 0 | 13 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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