Surf-Forecast | Katagai Surf Guide

Lat Long: 35.53° N 140.46° E

Issued: 8 am 06 Nov 2026 (local time)

Forecast update in hr min

Today's Katagai sea temperature is

20.8°C

Katagai surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Katagai Surf Guide

Katagai in Chiba is a fairly exposed breakwater break that has very consistent surf Ideal winds are from the northwest and there is no shelter here from cross shore breezes. Windswells are much more typical than groudswells and the ideal wave angle is from the southeast. The breakwater breaks offer lefts and rights. The quality of the surf isn't affected by the tide. Likely to be crowded if working. Pollution may be a hazard at this break.

Katagai Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
Breakwater	3	very consistent	20.8°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
Friday, 6 November 2026, 12:42 Local Time

m, °C	Friday 06
ft, °F	12PM	3PM	6PM	9PM
Wave (m)	SE	SE	SE	SE
Period (s)	12	11	10	10
Wind (km/h)
Wind State	cross	cross- on	on	cross- on

Tides at Katagai

Current tide and informaton

For Katagai, 0 km from Katagai.

Next High Water: 01:52pm | 1.31m

Next Low Water: 08:30pm | 0.4m

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

Katagai Sea Temperature

Sunny with pleasantly warm air temperatures (feeling like 21.0 °C once we account for wind), and similar sea temperatures (20.8 °C). Wear boardshorts or a shorty, or better still a thin summer wetsuit to keep the UV off.

Today, many surfers would wear a shorty.

Current Temp*: 20.8°C*ocean temperature recorded from satellite