Hanamizu River Surf Forecast and Surf Reports

(Kanagawa, Japan)

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- Hourly Forecast
- 16 Day Forecast
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Spot Information

Hanamizu River Surf Guide

Hanamizu River in Kanagawa and Chiba is a quite exposed beach/sandbar break that has pretty consitent surf Works best in offshore winds from the northwest. Most of the surf comes fis in the form of windswells and the best wave direction is from the southeast. The beach breaks offer lefts and rights. When the surf is up, it can get quite busy in the water.

Hanamizu River Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
Beach/sandbar	3	fairly consistent	19.4°C*ocean temperature recorded from satellite

Surfing Hanamizu River:

The best conditions reported for surf at Hanamizu 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 Hanamizu River (for consistent clean waves)?

octoberBest Season: autumn

The best time of year for surfing Hanamizu 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 Hanamizu River Location Map

Interactive Hanamizu 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 Hanamizu River is Yokota Ab Airport (OKO) in Japan, 51 km (32 miles) away (directly). The second nearest airport to Hanamizu River is Tokyo International Airport (HND), also in Japan, 55 km (34 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.

Hanamizu River Surf Forecasts:

Hourly Forecast

16 Day Forecast

Todays Surf Summary
Thursday, 7 May 2026, 08:21 Local Time

m, °C	Thursday 07
ft, °F	6AM	9AM	12PM	3PM
Wave (m)	SSE	SSE	SSE	ESE
Period (s)	6	6	6	10
Wind (km/h)
Wind State	glass	cross- on	on	cross- on

Tides at Hanamizu River

Current tide and informaton

For Ninomiya, 1 km from Hanamizu River.

Next High Water: 09:20pm | 1.2m

Next Low Water: 01:48pm | 0.31m

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

Hanamizu River Sea Temperature

Sunny with pleasantly warm air temperatures (feeling like 20.0 °C once we account for wind), yet at 19.4 °C the sea remains several degrees colder than the air at Hanamizu River. The majority of surfers will need a spring wetsuit though a summer suit or even a shorty may suffice for a short session.

Today, many surfers would wear a spring wetsuit.

Current Temp*: 19.4°C*ocean temperature recorded from satellite