Kahuku Ranch Surf Forecast and Surf Reports

(Big Island, USA)

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Kahuku Ranch Surf Guide

Kahuku Ranch in Big Island is an exposed reef break that has reasonably consistent surf. Summer offers the favoured conditions for surfing. Ideal winds are from the northeast. Tends to receive distant groundswells and the optimum swell angle is from the southwest. Both left and right reef breaks. Good surf at all stages of the tide. Sometimes crowded. Hazards include urchins, rips, rocks and locals.

Kahuku Ranch Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
Reef	3	fairly consistent	25.6°C*ocean temperature recorded from satellite

Surfing Kahuku Ranch:

The best conditions reported for surf at Kahuku Ranch occur when a Southwest swell combines with an offshore wind direction from the Northeast.

Hourly Forecast

16 Day Forecast

What's the best time of year to surf Kahuku Ranch (for consistent clean waves)?

juneBest Season: summer

The best time of year for surfing Kahuku Ranch with consistent clean waves (rideable swell with light / offshore winds) is during Summer and most often the month of June. Clean surfable waves are typically found 30% of the time in June while 1% of the time it tends to be blown out. For the remaining 69% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.

clean

30%

Surfable waves that hold up well for longer rides in prevailing cross-offshore, offshore or light wind conditions.

blown out

Surfable sized waves that are of poorer quality due to prevailing onshore, cross-onshore or windy conditions (may be preferable for kitesurfing).

too small

69%

Waves usually considered too small for good surf. Some wave-magnet breaks may still work though if conditions are right (on occasion).

Explore Kahuku Ranch Location Map

Interactive Kahuku Ranch surf break location map. View information about nearby surf breaks, their wave consistency and rating compared to other spots in the region. Current swell conditions from local buoys are shown along with live wind speed and direction from nearby weather stations. Click icons on the map for more detail. The closest passenger airport to Kahuku Ranch is Bradshaw Aaf Airport (BSF) in Usa Hawaii Isl., 92 km (57 miles) away (directly). The second nearest airport to Kahuku Ranch is Kona International At Keahole Airport (KOA), also in Usa Hawaii Isl., 95 km (59 miles) away.

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Please note that some surf spot locations are approximate to protect their exact location while others are not shown at close zoom level.

Kahuku Ranch Surf Forecasts:

Hourly Forecast

16 Day Forecast

Todays Surf Summary
Wednesday, 6 May 2026, 10:43 Local Time

m, °C	Wednesday 06
ft, °F	11AM	2PM	5PM	8PM
Wave (m)	SSW	S	SSW	SSW
Period (s)	18	16	16	16
Wind (km/h)
Wind State	cross- off	cross- off	glass	cross- off

Tides at Kahuku Ranch

Current tide and informaton

For Kaalualu Point, 7 km from Kahuku Ranch.

Next High Water: 07:05pm | 0.81m

Next Low Water: 11:25am | 0.16m

NEXT	IS AT (local time)	remaining
high tide
low tide

Kahuku Ranch Sea Temperature

Sunny with very warm air temperatures, feeling like 25.0 °C once we account for any wind. Sea temperatures (25.6 °C) very warm too. Staying comfortable in the water at Kahuku Ranch won't be a problem, but wear at least a rash-vest to keep the UV off.

Today, many surfers would wear a rashvest wetsuit.

Current Temp*: 25.6°C*ocean temperature recorded from satellite