Amatu Surf Guide

Amatu in Kanagawa and Chiba is an exposed beach break that has inconsistent surf Works best in offshore winds from the north northwest. Windswells are much more typical than groudswells and the best wave direction is from the southeast. The beach break provides left and right handers. It's sometimes crowded here. Water quality is rather poor here.

Amatu Spot Info

Type:Rating:Reliability:Todays Sea Temp*:
Beach3inconsistent
80°F*ocean temperature recorded from satellite

Surfing Amatu:

The best conditions reported for surf at Amatu occur when a Southeast swell combines with an offshore wind direction from the North-northwest.

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

octoberBest Season: autumn
The best time of year for surfing Amatu 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 39% of the time in October while 46% of the time it tends to be blown out. For the remaining 15% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.
clean
39%
Surfable waves that hold up well for longer rides in prevailing cross-offshore, offshore or light wind conditions.
blown out
46%
Surfable sized waves that are of poorer quality due to prevailing onshore, cross-onshore or windy conditions (may be preferable for kitesurfing).
too small
15%
Waves usually considered too small for good surf. Some wave-magnet breaks may still work though if conditions are right (on occasion).

Explore Amatu Location Map

Interactive Amatu 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 Amatu is Tokyo International Airport (HND) in Japan, 60 km (37 miles) away (directly). The second nearest airport to Amatu is New Tokyo International Airport (NRT), also in Japan, 74 km (46 miles) away.

  • Map Icons:
  • Break
  • Live Wave Height (ft)
  • Live Wind Speed (mph)
  • Surf Rating (10 Max)
  • Ocean Swells (ft)
  • Wind Speed (mph)
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Please note that some surf spot locations are approximate to protect their exact location while others are not shown at close zoom level.
Amatu Surf Forecasts:
Todays Surf Summary
Friday, 11 July 2025, 03:00 Local Time
Friday 11
0AM3AM6AM9AM
Wave (ft)
3
ESE
2.5
ESE
3
SE
3.5
SE
Period (s) 10 8 8 9
Wind (mph)
15
15
15
20
Wind State cross-
off
cross-
off
cross-
off
cross-
off

Swell History at Amatu

Surf stats for Amatu, see the swell variation by month or season on the history page here.

Wind History at Amatu

Wind stats for Amatu, see the variation in direction and stength by month or season on the history page here.


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