Primary tabs
Check the 16-day forecast with Swellnet Pro for $8.95/month
Chiba North Surf Forecast
◀
6am Wed 09 Jul
1ft+ ESE
8kt SSW
(Knee-Waist High)
0.5m @ 11.5s ESE (118°)
0.7m @ 8.7s E (100°)
0.5m @ 3.7s S (183°)
12pm Wed 09 Jul
1ft ESE
10kt S
(Knee High)
0.5m @ 11.3s ESE (118°)
0.7m @ 8.6s ESE (104°)
0.5m @ 4s S (178°)
6pm Wed 09 Jul
1ft ESE
10kt S
(Knee High)
0.5m @ 11.2s ESE (118°)
0.7m @ 8.4s ESE (106°)
0.5m @ 4.1s S (175°)
6am Thu 10 Jul
1ft ESE
4kt S
(Knee High)
0.5m @ 11s ESE (116°)
0.6m @ 8s ESE (105°)
0.5m @ 4.9s SSE (166°)
12pm Thu 10 Jul
1ft ESE
5kt E
(Knee High)
0.5m @ 10.9s ESE (116°)
0.6m @ 8s ESE (106°)
0.4m @ 5.4s SSE (167°)
6pm Thu 10 Jul
1ft ESE
8kt NE
(Knee High)
0.5m @ 10.8s ESE (114°)
0.5m @ 7.3s ESE (106°)
0.5m @ 5.7s SSE (162°)
6am Fri 11 Jul
1ft NNE
16kt NNE
(Knee High)
2ft North-east facing beaches
(Waist-Shoulder High)
1.5m @ 5.8s NNE (22°)
0.5m @ 10.2s ESE (115°)
0.5m @ 7.1s ESE (107°)
12pm Fri 11 Jul
1-2ft NNE
17kt NNE
(Waist High)
3ft North-east facing beaches
(Head High)
1.8m @ 6.4s NNE (29°)
0.6m @ 6.8s SE (128°)
0.4m @ 8.3s ESE (120°)
6pm Fri 11 Jul
2ft NE
17kt NE
(Waist-Shoulder High)
3-4ft North-east facing beaches
(Overhead)
1.9m @ 6.8s NE (35°)
0.7m @ 7.8s SE (124°)
0.5m @ 10.1s ESE (116°)

Wed
6am
Wed
12pm
Wed
6pm
Thu
6am
Thu
12pm
Thu
6pm
Fri
6am
Fri
12pm
Fri
6pm
Wave Height & Swell Direction
Swell Train Data
Wind Speed & Direction
A
SSW
8kt
A
S
10kt
A
S
10kt
A
S
4kt
A
E
5kt
A
NE
8kt
A
NNE
16kt
A
NNE
17kt
A
NE
17kt
Tide Times & Weather



▶
Surf Forecast Swell Train Analysis
Date
Surf
Wind
Primary Swell
Secondary Swell
Tertiary Swell
-
Wed
09/07
12am
1ft+
S
9kt
0.8
m
8.9s
97 (E)
0.5
m
11.8s
118 (ESE)
0.3
m
2.3s
177 (S)
6am
1ft+
SSW
8kt
0.5
m
11.5s
118 (ESE)
0.7
m
8.7s
100 (E)
0.5
m
3.7s
183 (S)
12pm
1ft
S
10kt
0.5
m
11.3s
118 (ESE)
0.7
m
8.6s
104 (ESE)
0.5
m
4s
178 (S)
6pm
1ft
S
10kt
0.5
m
11.2s
118 (ESE)
0.7
m
8.4s
106 (ESE)
0.5
m
4.1s
175 (S)
Wed
09/07
1ft
S
10kt
0.5
m
11.3s
118 (ESE)
0.7
m
8.6s
104 (ESE)
0.5
m
4s
178 (S)
-
Thu
10/07
12am
1ft
S
7kt
0.5
m
11.1s
118 (ESE)
0.6
m
8.1s
104 (ESE)
0.5
m
4.4s
174 (S)
6am
1ft
S
4kt
0.5
m
11s
116 (ESE)
0.6
m
8s
105 (ESE)
0.5
m
4.9s
166 (SSE)
12pm
1ft
E
5kt
0.5
m
10.9s
116 (ESE)
0.6
m
8s
106 (ESE)
0.4
m
5.4s
167 (SSE)
6pm
1ft
NE
8kt
0.5
m
10.8s
114 (ESE)
0.5
m
7.3s
106 (ESE)
0.5
m
5.7s
162 (SSE)
Thu
10/07
1ft
E
5kt
0.5
m
10.9s
116 (ESE)
0.6
m
8s
106 (ESE)
0.4
m
5.4s
167 (SSE)
-
Fri
11/07
12am
1ft
1-2ft
NF
NNE
15kt
0.5
m
10.5s
114 (ESE)
0.5
m
7.2s
106 (ESE)
1.1
m
5.2s
20 (NNE)
6am
1ft
2ft
NF
NNE
16kt
1.5
m
5.8s
22 (NNE)
0.5
m
10.2s
115 (ESE)
0.5
m
7.1s
107 (ESE)
12pm
1-2ft
3ft
NF
NNE
17kt
1.8
m
6.4s
29 (NNE)
0.6
m
6.8s
128 (SE)
0.4
m
8.3s
120 (ESE)
6pm
2ft
3-4ft
NF
NE
17kt
1.9
m
6.8s
35 (NE)
0.7
m
7.8s
124 (SE)
0.5
m
10.1s
116 (ESE)
Fri
11/07
1-2ft
3ft
NF
NNE
17kt
1.8
m
6.4s
29 (NNE)
0.6
m
6.8s
128 (SE)
0.4
m
8.3s
120 (ESE)
- bulletin_datetime_utc => 2025-07-08 12:00:00
- location_identifier => 244
- timezone => Asia/Tokyo