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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 Tuesday 16 Sep 2025 HST
How big are the waves at Kahalu'u Beach Park today?
The current surf forecast for Kahalu'u Beach Park at 11PM is: 0.4m 12s primary swell from a South-southwest direction and 0.2m 16s secondary swell from a South-southwest direction, 0.2m 2s secondary swell from a West-northwest direction (forecast issued at 07:00pm September 16). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | - | - |
| Afternoon (16 Sep) | 1.5ft (0.4m) | 13s |
| Evening (16 Sep) | 1.5ft (0.4m) | 13s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 12 | 12 | 12 | 16 | 12 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 11 | 13 | 19 | 19 | 18 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 57 | 57 | 52 | 46 | 46 | 64 | 48 | 57 | 57 | 57 | 55 | 55 | 55 | 53 | 52 | 51 | 51 | 50 | 62 | 63 | 99 | 124 | 118 | 160 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | glass | glass | glass | cross- on | on | on | cross | cross- on | cross- on | cross- on | glass | on | on | on | on | glass | glass | glass | glass | on | on |
High Tide / height (m) | 1:09AM 0.34 | 1:23PM 0.75 | 1:52AM 0.41 | 2:02PM 0.75 | 2:28AM 0.48 | |||||||||||||||||||
Low Tide / height (m) | 8:04PM 0.16 | 6:11AM 0.16 | 8:27PM 0.13 | 7:11AM 0.14 | 8:49PM 0.11 | 8:01AM 0.12 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 | - | - |
| Sunset | 6:24 | - | - | - | - | - | - | - | 6:23 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | | |  | | | |  | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 27 | 26 | 26 | 25 | 25 | 25 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 26 | 27 | 27 |
| Feels °C (?) | 29 | 28 | 29 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 27 | 28 | 29 | 29 | 29 | 28 | 29 | 30 | 29 | 29 | 30 | 29 | 29 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for HAW - Big Island
Continuing clean conditions at Kahalu'u Beach Park (calm at Kailua Kona 4 km from Kahalu'u Beach Park). 0.8m 13s groundswell from the SSW with a 0.4m 8s swell from the SSE and a 0.3m 2s local chop from the NW. 3 swells combining to make bigger set waves.
Actual: 39 min ago
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Kahalu'u Beach Park surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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