Katagai Surf Forecast and Surf Reports

(Chiba, Japan)

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

Katagai Surf Guide

Katagai in Chiba is a fairly exposed breakwater break that has very consistent surf The best wind direction is from the northwest and there is no shelter here from cross shore breezes. Waves more likely to be from local windswells than distant groundswells and the ideal wave direction is from the southeast. The breakwater breaks offer lefts and rights. Good surf at all stages of the tide. Often Crowded. Try not to swallow any water - there are pollution concerns here.

Katagai Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
Breakwater	3	very consistent	17.3°C*ocean temperature recorded from satellite

Surfing Katagai:

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

novemberBest Season: spring

The best time of year for surfing Katagai with consistent clean waves (rideable swell with light / offshore winds) is during Spring and most often the month of November. Clean surfable waves are typically found 13% of the time in November while 24% of the time it tends to be blown out. For the remaining 63% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.

clean

13%

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

blown out

24%

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

too small

63%

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

Explore Katagai Location Map

Interactive Katagai 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.

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.

Katagai Surf Forecasts:

Hourly Forecast

16 Day Forecast

Todays Surf Summary
Wednesday, 6 May 2026, 04:49 Local Time

m, °C	Wednesday 06
ft, °F	6AM	9AM	12PM	3PM
Wave (m)	ESE	SE	SE	SSE
Period (s)	9	9	9	5
Wind (km/h)
Wind State	cross- on	cross- on	cross- on	cross- on

Tides at Katagai

Current tide and informaton

For Katagai, 0 km from Katagai.

Next High Water: 05:04am | 1.4m

Next Low Water: 12:37pm | 0.21m

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

Katagai Sea Temperature

The water temperature (17.3 °C) at Katagai is relatively warm. If the sun does come out as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 19.0 °C.

Today, many surfers would wear a summer wetsuit.

Current Temp*: 17.3°C*ocean temperature recorded from satellite