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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 7 pm Sunday 10 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
26.1° C
(Which is 1.1°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 11PM is: 0.3m 19s primary swell from a South-southwest direction and 0.4m 12s secondary swell from a Northwest direction, 0.3m 13s secondary swell from a South-southwest direction (forecast issued at 07:00pm May 10). The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | - | - |
| Afternoon (10 May) | 1ft (0.3m) | 13s |
| Evening (10 May) | 1ft (0.3m) | 19s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 26°C on Wed morning, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 12 | SSW 19 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | S 16 | S 16 | SSW 16 | S 16 | S 16 | SSW 15 | SSW 15 | S 14 | S 14 | SSW 14 | SSW 14 | SSW 14 | |
40 | 69 | 69 | 69 | 69 | 104 | 102 | 101 | 101 | 100 | 92 | 87 | 129 | 127 | 83 | 126 | 42 | 42 | 71 | 107 | 107 | 69 | 69 | 61 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | glassy | glassy | glassy | glassy | on | on | glassy | glassy | glassy | glassy | glassy | cross | on | on | cross | cross | glassy | cross-on | glassy | glassy | on | on | |
High Tide | 10:58PM0.61m | 12:42PM0.50m | 11:48PM0.58m | 1:19PM0.61m | 00:36AM0.54m | 1:57PM0.72m | ||||||||||||||||||
Low Tide | 4:26PM0.31m | 6:07AM0.12m | 5:59PM0.30m | 6:33AM0.08m | 7:14PM0.27m | 7:01AM0.05m | ||||||||||||||||||
 |  |  | | |  |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — |
 | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | 6:51 |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 26 |
27 | 28 | 29 | 27 | 27 | 28 | 27 | 27 | 29 | 27 | 28 | 27 | 26 | 25 | 26 | 26 | 27 | 26 | 27 | 26 | 27 | 27 | 27 | 28 | |
Swell 1 Height (m) Direction Period (s) | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | S 16 | S 16 | SSW 16 | S 16 | SSW 15 | SSW 15 | SSW 15 | S 14 | S 14 | SSW 14 | SSW 14 | SSW 14 |
 kJ | 40 | 38 | 39 | 37 | 36 | 104 | 102 | 101 | 101 | 100 | 92 | 87 | 129 | 127 | 83 | 126 | 42 | 42 | 71 | 107 | 107 | 69 | 69 | 61 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 19 | SSW 13 | SSW 19 | SSW 19 | NW 12 | NW 12 | WNW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | S 16 | NW 11 | S 16 | S 15 | S 15 | S 15 | NW 10 | WNW 10 | SSW 15 | SW 15 |
| kJ | 35 | 69 | 32 | 69 | 69 | 35 | 35 | 14 | 20 | 32 | 18 | 18 | 30 | 30 | 45 | 18 | 42 | 39 | 38 | 38 | 16 | 10 | 23 | 34 |
Swell 3 Height (m) Direction Period (s) | SSW 11 | SSW 11 | SSW 19 | S 12 | S 12 | SSW 12 | SSW 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 16 | S 16 | S 11 | S 11 | NW 11 | S 11 | NW 10 | NW 10 | SSW 16 | SSW 16 | WNW 10 | S 13 |
| kJ | 23 | 11 | 69 | 27 | 11 | 14 | 14 | 11 | 11 | 25 | 25 | 11 | 21 | 46 | 22 | 9 | 29 | 22 | 16 | 16 | 25 | 24 | 10 | 14 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NW 3 | SSE 4 | SW 2 | WSW 3 | W 3 | SSW 3 | — | — | — | — | NW 11 | WNW 3 | NW 3 | — | S 11 | — | SSW 4 | — | — | — |
| kJ | — | — | — | — | 1 | 2 | 1 | 1 | 1 | 1 | — | — | — | — | 30 | 3 | 3 | — | 21 | — | 1 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 1 | 0 | 0 | 0 | 0 | 125 | 125 | 0 | 0 | 0 | 0 | 0 | 1 | 25 | 99 | 1 | 1 | 0 | 94 | 0 | 0 | 128 | 138 |
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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