Sakawa River Surf Forecast and Surf Reports

(Kanagawa, Japan)

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

Sakawa River Surf Guide

Sakawa River in Kanagawa and Chiba is a fairly exposed river break that has fairly consistent surf Offshore winds blow from the northwest. Windswells are much more common than groundswells and the ideal wave angle is from the southeast. The river breaks are all rights. When it's working here, it can get crowded. Watch out for rocks.

Sakawa River Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
River	3	fairly consistent	19.1°C*ocean temperature recorded from satellite

Surfing Sakawa River:

The best conditions reported for surf at Sakawa River occur when a Southeast swell combines with an offshore wind direction from the Northwest.

Hourly Forecast

16 Day Forecast

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

octoberBest Season: autumn

The best time of year for surfing Sakawa River with consistent clean waves (rideable swell with light / offshore winds) is during Autumn and most often the month of October. Clean surfable waves are typically found 3% of the time in October while 10% of the time it tends to be blown out. For the remaining 87% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.

clean

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

blown out

10%

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

too small

87%

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

Explore Sakawa River Location Map

Interactive Sakawa River 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 Sakawa River is Oshima Airport (OIM) in Japan, 54 km (34 miles) away (directly). The second nearest airport to Sakawa River is Yokota Ab Airport (OKO), also in Japan, 60 km (37 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.

Sakawa River Surf Forecasts:

Hourly Forecast

16 Day Forecast

Todays Surf Summary
Wednesday, 6 May 2026, 16:21 Local Time

m, °C	Wednesday 06
ft, °F	12PM	3PM	6PM	9PM
Wave (m)	SE	SSE	SE	SE
Period (s)	6	6	6	6
Wind (km/h)
Wind State	cross	cross- on	cross- on	cross- off

Tides at Sakawa River

Current tide and informaton

For Odawara, 2 km from Sakawa River.

Next High Water: 08:22pm | 1.24m

Next Low Water: 12:52am | 1.01m

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

Sakawa River Sea Temperature

The Sakawa River water temperature is reasonably warm (19.1 °C) and the air temperature will similar (windchill forecast 18.0 °C). A good quality summer wetsuit would be ideal.

Today, many surfers would wear a summer wetsuit.

Current Temp*: 19.1°C*ocean temperature recorded from satellite