Osaki break guide

Osaki Surf Guide

Osaki in Kanagawa and Chiba is a fairly exposed reef and point break that does not work very often The best wind direction is from the north northeast. Usually gets local windswells, but groundswells do happen and the ideal wave direction is from the south. A right hand reef break Surfable at all stages of the tide. It very rarely gets crowded here. Take care of rocks in the line up.

Osaki Spot Info

Type:Rating:Reliability:Todays Sea Temp*:
Reef and point2inconsistent
19.6°C*ocean temperature recorded from satellite

Surfing Osaki:

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

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

julyBest Season: summer
The best time of year for surfing Osaki 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 3% of the time in July 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
3%
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 Osaki Location Map

Interactive Osaki 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 Osaki is Tokyo International Airport (HND) in Japan, 35 km (22 miles) away (directly). The second nearest airport to Osaki is Yokota Ab Airport (OKO), also in Japan, 54 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)
Map placeholder
Please note that some surf spot locations are approximate to protect their exact location while others are not shown at close zoom level.
Osaki Surf Forecasts:
Todays Surf Summary
Wednesday, 6 May 2026, 14:42 Local Time
Wednesday 06
12PM3PM6PM9PM
Wave (m)
0.3
SE
0.6
SSE
0.6
SSE
0.6
S
Period (s) 11 6 6 6
Wind (km/h)
20
25
20
20
Wind State on cross-
on
on on

Swell History at Osaki

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

Wind History at Osaki

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


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest