Beach
both
Level 4/10

Katsuura

Katsuura, Japan
🌀Strong rips

Katsuura sits at the southern end of Chiba's surf coast, rewarding those who venture farther from Tokyo with beautiful waves and significantly fewer crowds. The beachbreak produces quality peaks during typhoon swells, and the fishing town atmosphere includes some of the best seafood on the coast. The extra distance filters out the weekend warriors, leaving more waves for those who make the trip.

Katsuura surf forecast

Model forecast for swell, wind and tide.

10-Day Forecast
Today20
29
Poor
3.7m@12s
29km/h
Mon21
12
Poor
5.3m@12s
37km/h
Tue22
47
Fair
2.9m@11s
8km/h
Wed23
22
Poor
1.2m@8s
17km/h
Thu24
41
Poor
1.2m@8s
11km/h
Fri25
20
Poor
0.7m@10s
17km/h
Sat26
32
Poor
1.0m@9s
15km/h
Sun27
47
Fair
1.2m@9s
4km/h
Mon28
34
Poor
0.8m@9s
12km/h
Tue29
22
Poor
0.7m@14s
14km/h
Choppy 5+ days out, less certain

Today's Conditions

Find Flights
Best session: MorningAM 24 km/h · PM 28 km/h
Swell
3.7m
SE(134°)
Score: 2/25
Period
12s
Medium period swell
Score: 25/25
Wind
29km/h
NNE(32°)
Score: 0/25
Weather
24°C
8.8mm95%
First light 4:54amSunrise 5:24amSunset 5:39pmLast light 6:09pm
Windswell0.6m@3sConfidence
100%

Location & Conditions

Loading map...
0°45°90°135°180°225°270°315°NESW
Swell
Wind
Showing forecast for today

Hourly Forecast, Tide & Strike Windows

Strike window: 4:54am–6:09pm · risingIdeal tide: 0.3–1.5m
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
°C
24°
23°
23°
25°
25°
27°
27°
27°
27°
26°
27°
28°
29°
27°
26°
23°
24°
24°
24°
22°
20°
25°
26°
25°
23°
21°
22°
23°
23°
21°
20°
20°
21°
21°
21°
21°
22°
25°
26°
24°
23°
25°
25°
24°
23°
22°
23°
22°
21°
21°
8m4.0
sec
12s
12s
12s
12s
12s
12s
12s
12s
12s
12s
11s
11s
11s
11s
11s
8s
8s
8s
8s
8s
8s
8s
8s
8s
8s
10s
10s
10s
10s
10s
9s
9s
9s
9s
9s
9s
9s
9s
9s
9s
9s
9s
9s
9s
9s
14s
14s
14s
14s
14s
swell
windkm/h
23g40
25g37
36g54
29g49
27g35
18g43
26g61
37g62
49g81
57g91
9g28
12g26
4g26
8g27
3g28
21g37
19g44
17g45
15g37
13g26
10g18
11g26
10g27
12g29
12g27
16g31
19g40
19g44
17g42
13g36
13g27
16g32
17g35
17g37
13g37
2g25
4g32
6g42
7g48
2g34
10g22
13g30
12g32
11g32
12g29
19g39
19g48
15g46
11g41
4g29
tidem
4:30am0.4m
3:30pm1.1m
6:15am0.4m
3:00pm1.1m
7:00pm1.1m
7:30am0.3m
2:50pm1.1m
8:15pm0.8m
12:50am1.0m
8:00am0.2m
3:07pm1.1m
8:30pm0.7m
1:45am1.1m
8:35am0.1m
3:20pm1.1m
9:00pm0.5m
2:40am1.1m
9:06am0.1m
3:30pm1.1m
9:25pm0.3m
3:20am1.1m
9:39am0.1m
3:55pm1.1m
9:55pm0.2m
4:05am1.2m
10:04am0.2m
4:08pm1.3m
10:30pm0.1m
4:45am1.2m
10:40am0.3m
4:30pm1.3m
5:25am1.2m
Ideal tideStrike windowNight

Tide times today

4:30 am
Low tide - 0.42m
3:30 pm
High tide - 1.06m
6:30 pm
High tide - 1.07m
Times shown in spot-local time.

Strike Score Breakdown

29
Poor
Components
Swell Direction16/25
Swell Size2/25
Swell Period25/25
Wind0/25
Raw Score43/100
Adjustments
🤢 Wind History-6
🌊 Tide+5
💨 Gusty Wind-3
⚠️ Weak Component-10
Adjusted Score29/100
Confidence
Multiplier×1.00
Final Score29
🤢 Morning Sickness🌊 Optimal tide window👥 Respect for the Aged Day

Plan Your Strike

Return flights to NRT, departing today with a 5-day trip window.

Search Flights on Skyscanner
See where's firing right nowToday's best waves worldwide, scored live
Free Strike Report

Know when Asia is about to fire

Get the best strike windows in Asia — and worldwide — in your inbox every Monday & Thursday. Live Strike Scores, the swell behind them, zero fluff.

Free forever. Two emails a week. Unsubscribe anytime.

For real surf travel

Get the full Katsuura trip window

Pro unlocks the 10-day forecast window, unlimited alerts, and custom spot tracking that help turn a good-looking surf report into a better travel decision.

10-day window

See the trip window before flights get expensive.

Unlimited alerts

Let the app watch your score threshold for you.

Custom spots

Track the breaks that actually matter to your travel plans.

Swell Requirements

Optimal direction
ESE (120°)
Direction range
70° - 160°
Size range
0.8m - 2.5m
Ideal size
1.6m - 2.1m
Height multiplier
1.00×
Ideal period
12s+

Wind Requirements

Optimal direction
WNW (290°)
Offshore range
250° - 340°

Tide Requirements

Optimal tide
mid
Optimal range
0.3m - 1.5m

Water temp

22°C

Wetsuit

Springsuit / 2mm

Difficulty

4/10

Crowd level

4/10

Access: JR Sotobo Line to Katsuura station.

Frequently Asked Questions

What tide is best at Katsuura?

The Katsuura profile favors mid tide, ideally between 0.3m and 1.5m on the local tide chart. Compare this preference with the forecast tide and local conditions before choosing a session.

What wind direction is offshore at Katsuura?

The Katsuura profile uses wind from WNW (290°) as its preferred direction, with an offshore range of 250° to 340°. Wind speed matters too: light winds outside that range can still produce surfable conditions, while strong offshore winds can make takeoffs difficult.

What swell size and direction work best at Katsuura?

The Katsuura scoring profile favors swell from ESE (70° to 160°), a swell-height range of 0.8m to 2.5m, and a reference period of 12s. These are model inputs, not guaranteed breaking-wave heights or a promise that the surf will suit every ability.

When is the best time of year to surf Katsuura?

The main season at Katsuura is Aug-Oct. A secondary window runs Nov, Dec, Jan, Feb. Typhoon season delivers best swells. Less crowded than northern Chiba.

How do I get to Katsuura?

The spot profile lists NRT as a nearby airport. The estimated road transfer is 100 minutes. JR Sotobo Line to Katsuura station.

What kind of wave is Katsuura?

Katsuura is a beach break, a peak with lefts and rights. Difficulty is rated 4/10.

Best Season

Peak: Aug-Oct

Secondary: Nov, Dec, Jan, Feb

Typhoon season delivers best swells. Less crowded than northern Chiba.

Getting There

Airport
NRT
Drive time
100 min
Data quality
verified

Strike Log

Community Discussion