Kahalu'u Surf Forecast and Surf Reports

(Big Island, USA)

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- Hourly Forecast
- 16 Day Forecast
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Weather State
Spot Information

Kahalu'u Surf Guide

Kahalu'u in Big Island is an exposed reef break that is usually a safe bet and works all around the year. Offshore winds are from the east southeast. Tends to receive distant groundswells and the ideal swell angle is from the west. Good surf at all stages of the tide. Sometimes crowded. Take care of - Urchins - Rips / undertow - Rocks - Localism.

Kahalu'u Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
Reef	3	very consistent	25.9°C*ocean temperature recorded from satellite

Surfing Kahalu'u:

The best conditions reported for surf at Kahalu'u occur when a West swell combines with an offshore wind direction from the East-southeast.

Hourly Forecast

16 Day Forecast

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

januaryBest Season: winter

The best time of year for surfing Kahalu'u with consistent clean waves (rideable swell with light / offshore winds) is during Winter and most often the month of January. Clean surfable waves are typically found 45% of the time in January while 44% of the time it tends to be blown out. For the remaining 11% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.

clean

45%

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

blown out

44%

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

too small

11%

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

Explore Kahalu'u Location Map

Interactive Kahalu'u 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 Kahalu'u is Kona International At Keahole Airport (KOA) in Usa Hawaii Isl., 19 km (12 miles) away (directly). The second nearest airport to Kahalu'u is Bradshaw Aaf Airport (BSF), also in Usa Hawaii Isl., 48 km (30 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.

Kahalu'u Surf Forecasts:

Hourly Forecast

16 Day Forecast

Todays Surf Summary
Tuesday, 5 May 2026, 10:32 Local Time

m, °C	Tuesday 05
ft, °F	11AM	2PM	5PM	8PM
Wave (m)	SSW	NW	SSW	NW
Period (s)	18	12	16	12
Wind (km/h)
Wind State	cross- on	cross- on	cross	cross- on

Tides at Kahalu'u

Current tide and informaton

For Holualoa, 5 km from Kahalu'u.

Next High Water: 06:30pm | 0.73m

Next Low Water: 10:43am | 0.11m

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

Kahalu'u Sea Temperature

Sunny with very warm air temperatures, feeling like 26.0 °C once we account for any wind. Sea temperatures (25.9 °C) very warm too. Staying comfortable in the water at Kahalu'u 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*: 25.9°C*ocean temperature recorded from satellite