Sosanji Rivermouth Surf Forecast and Surf Reports

(Kyu Shu, Japan)

Forecast
- Hourly Forecast
- 16 Day Forecast
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Live
Weather State
Spot Information

Sosanji Rivermouth Surf Guide

Sosanji Rivermouth in Kyu Shu is an exposed rivermouth break that does not work very often Works best in offshore winds from the west. Windswells are much more typical than groudswells and the best wave direction is from the southeast.. When it's working here, it can get crowded. Be wary of rips - they make surfing here dangerous.

Sosanji Rivermouth Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
River	2	inconsistent	22.1°C*ocean temperature recorded from satellite

Surfing Sosanji Rivermouth:

The best conditions reported for surf at Sosanji Rivermouth occur when a Southeast swell combines with an offshore wind direction from the West.

Hourly Forecast

16 Day Forecast

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

julyBest Season: summer

The best time of year for surfing Sosanji Rivermouth with consistent clean waves (rideable swell with light / offshore winds) is during Summer and most often the month of July. Clean surfable waves are typically found 48% of the time in July while 38% of the time it tends to be blown out. For the remaining 14% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.

clean

48%

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

blown out

38%

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

too small

14%

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

Explore Sosanji Rivermouth Location Map

Interactive Sosanji 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 Sosanji Rivermouth is Miyazaki Airport (KMI) in Japan, 6 km (4 miles) away (directly). The second nearest airport to Sosanji Rivermouth is Kagoshima Airport (KOJ), also in Japan, 70 km (43 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.

Sosanji Rivermouth Surf Forecasts:

Hourly Forecast

16 Day Forecast

Todays Surf Summary
Thursday, 7 May 2026, 16:41 Local Time

m, °C	Thursday 07
ft, °F	12PM	3PM	6PM	9PM
Wave (m)	ESE	ESE	ESE	ESE
Period (s)	9	8	8	8
Wind (km/h)
Wind State	cross- on	on	glass	cross- off

Tides at Sosanji Rivermouth

Current tide and informaton

For Oryuzako, Miyazaki, Japan, 4 km from Sosanji Rivermouth.

Next High Water: 10:59pm | 1.6m

Next Low Water: 04:08am | 1.21m

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

Sosanji Rivermouth Sea Temperature

Sunny with pleasantly warm air temperatures (feeling like 20.0 °C once we account for wind), and similar sea temperatures (22.1 °C). Wear boardshorts or a shorty, or better still a thin summer wetsuit to keep the UV off.

Today, many surfers would wear a shorty.

Current Temp*: 22.1°C*ocean temperature recorded from satellite