Waimea Rivermouth Surf Forecast and Surf Reports

(Kaua'i, USA)

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- Hourly Forecast
- 16 Day Forecast
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Waimea Rivermouth Surf Guide

Waimea Rivermouth in Kauai is an exposed beach break that has pretty consitent surf. Summer offers the optimum conditions for surfing. Offshore winds are from the north northeast. Windswells and groundswells in equal measure and the best swell direction is from the south. Waves at the beach break both left and right. Good surf at all stages of the tide. When the surf is up, it can get quite busy in the water. Beware of urchins, rips and rocks.

Waimea Rivermouth Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
Beach	3	fairly consistent	24.5°C*ocean temperature recorded from satellite

Surfing Waimea Rivermouth:

The best conditions reported for surf at Waimea Rivermouth occur when a South swell combines with an offshore wind direction from the North-northeast.

Hourly Forecast

16 Day Forecast

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

augustBest Season: summer

The best time of year for surfing Waimea Rivermouth with consistent clean waves (rideable swell with light / offshore winds) is during Summer and most often the month of August. Clean surfable waves are typically found 40% of the time in August while 6% of the time it tends to be blown out. For the remaining 54% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.

clean

40%

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

54%

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

Explore Waimea Rivermouth Location Map

Interactive Waimea Rivermouth 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 Waimea Rivermouth is Barking Sands Pmrf Airport (BKH) in Usa Kauai Isl., 14 km (9 miles) away (directly). The second nearest airport to Waimea Rivermouth is Lihue Airport (LIH), also in Usa Kauai Isl., 34 km (21 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.

Waimea Rivermouth Surf Forecasts:

Hourly Forecast

16 Day Forecast

Todays Surf Summary
Wednesday, 6 May 2026, 04:46 Local Time

m, °C	Wednesday 06
ft, °F	5AM	8AM	11AM	2PM
Wave (m)	SSW	SSW	SSW	SE
Period (s)	18	18	18	9
Wind (km/h)
Wind State	off	glass	glass	cross- off

Waimea Rivermouth Sea Temperature

Sunny with very warm air temperatures, feeling like 25.0 °C once we account for any wind. Sea temperatures (24.5 °C) warm too. Staying warm in the water won't be a problem in board-shorts, but wear at least a rash-vest to keep the UV off.

Today, many surfers would wear a rashvest wetsuit.

Current Temp*: 24.5°C*ocean temperature recorded from satellite