Ohara (Isumi)

LIVE　Updated 12:00

Forecast — it can miss

Ohara (Isumi) spot guide (wind, swell direction, tide) →

Post on X Send on LINE

Score 16

Poor conditions

★☆☆☆☆

TODAY · Advanced only

Today is hard
head-overhead, onshore

Onshore and choppy. Conditions for advanced surfers.

Onshore — messy

Wave height

1.7-2.1m

head-overheadsets double overhead

vs yesterday -2.3m

Period

fairly long

Water temp

26°

Boardshorts OK

Rougher than 76% of the last 90 daysWave height · 2026/06/24〜2026/09/21

Wind & swell

Wind direction

ENE

Wind speed

2.0 m/s

Beach faces

ENE

Condition

Onshore ✕

Swell direction

Swell rating

Wrong direction ✕

21:00

BEST TIME

Waves ○ × Crowd ◎

in 9h

Confidence: High

Shows how closely the forecast models agree

Wave height trend06–00h

06 ★

2.2m

2.1m

1.9m

1.8m

1.6m

1.5m

1.4m

Hourly detail

06:00

overhead-double overheadBEST

2.2m9s2m ↙Off

Clean face. Worth going

09:00

overhead-double overhead

2.1m9s2m ↑On

Onshore and messy. Advanced only

12:00

head-overheadsets double overhead

1.9m8s2m ↑On

Onshore and messy. Advanced only

15:00

head-overheadsets double overhead

1.8m8s3m ↑On

Onshore and messy. Advanced only

TideJMA tide table (勝浦)

Low

07:47

47 cm

High

15:14

131 cm

Low

20:38

98 cm

Weekly forecast16 days

TODAY

4.1m

double overhead

9/23

1.4m

shoulder-head

9/24

1.3m

chest-shoulder

9/25

1.4m

shoulder-head

9/26

1.3m

chest-shoulder

9/27

1.4m

shoulder-head

9/28

1.7m

head-overhead

Get the app

大原（いすみ） surf forecast in the app

Set a home spot and today's waves show up the moment you open it. Free, no account needed.

App Store Google Play

Spots in this areaChiba North

Tsurigasaki (Shidashita)