Usami Surf Break

Usami 48 hour detailed Surf Forecast

Lat Long: 35.00° N 139.08° E

Issued: 2 pm 18 Jun 2026 (local time)

Forecast update in  hr  min

Today's Usami sea temperature is
22.3° C

1.0°C colder than average for this time of year

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 35mm), heaviest during Sat night. Warm (max 26°C on Sun morning, min 20°C on Sat morning). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sun
21
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SE
8
0.6
S
7
0.4
SE
8
0.7
SSW
8
0.4
SE
9
0.1
SE
11
0.6
SE
6
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.1
SE
12
0.3
SE
9
0.3
SE
12
1.5
SSW
6
0.3
SE
9
Wave Graph
Metric surfscale
Energy kJ
24
0
25
0
27
5
26
17
16
16
16
16
15
15
15
15
15
15
15
6
14
21
141
13
Wind (km/h)
20
NE
10
NE
5
WSW
5
SSW
5
NNE
5
NNE
10
ENE
5
ENE
5
E
5
ESE
5
ESE
5
E
10
NE
15
NE
15
NE
10
NE
10
NNE
5
N
0
NE
5
SSE
10
SSW
15
SSW
15
SSW
15
SW
Wind State
cross-off
cross-off
glassy
glassy
glassy
glassy
cross-off
cross-off
off
off
glassy
off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
glassy
cross
cross-on
cross-on
cross-on
High Tide
7:59PM1.40m
6:12AM1.37m
8:34PM1.38m
7:00AM1.30m
9:09PM1.35m
7:56AM1.21m
Low Tide
12:44PM0.01m
1:08AM0.94m
1:22PM0.11m
1:55AM0.90m
2:02PM0.23m
2:48AM0.85m
part cloud
part cloud
part cloud
clear
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:28
4:28
4:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:59
7:00
7:00
7:00
 mm
1
3
3
2
3
2
3
4
4
5
4
Temp °C
23
24
24
22
22
22
21
22
24
24
23
22
22
22
21
20
21
21
21
21
21
22
22
24
Feels °C
23
26
27
25
25
25
23
24
27
27
27
25
25
24
23
21
23
24
25
24
23
24
24
27
Swell 1
Height (m)
Direction
Period (s)
0.9
S
7
0.6
SE
6
0.7
SE
6
0.7
SSW
8
0.8
SSE
7
0.8
SSE
7
0.6
SE
6
0.5
S
6
0.6
SSE
6
0.5
SSE
6
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.4
SE
10
0.3
SE
9
0.3
SE
9
1
S
6
1.1
S
7
Energy kJ
72
32
40
63
58
69
26
22
30
21
16
16
15
15
15
15
15
15
15
24
14
13
60
107
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
8
0.6
S
7
0.6
S
7
0.6
SE
6
0.4
SE
9
0.2
SSE
9
0.5
S
7
0.4
SE
6
0.3
SE
10
0.3
SE
10
0.1
SE
14
0.3
S
6
0.2
SSE
5
0.2
S
5
0.2
SSW
7
0.2
SSW
8
0.3
SSW
7
0.2
SSW
7
0.2
SSW
6
0.1
SE
12
0.1
SE
12
0.3
SE
12
0.3
SE
9
0.3
SE
9
Energy kJ
24
35
36
34
27
8
26
15
16
16
7
6
3
2
4
6
10
5
4
6
6
21
13
13
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
16
0.5
SE
8
0.4
SE
8
0.5
SE
9
0.4
SW
8
0.1
SE
11
0.2
SSE
11
0.3
SE
10
0.1
SE
14
0.1
SE
14
0.1
SE
8
0.3
SE
6
0.2
S
6
0.2
SSE
5
0.2
SSE
5
0.1
SE
13
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.2
SSE
12
0.1
S
7
0.2
SSE
11
0.2
SSE
11
Energy kJ
10
34
25
36
17
5
11
17
8
7
3
5
2
3
3
7
6
6
6
14
1
13
12
Wind waves
Height (m)
Direction
Period (s)
0.7
NNE
4
0.5
NE
4
0.6
SE
6
0.6
SSE
6
0.3
ESE
3
0.3
ESE
3
0.3
ESE
3
0.3
ESE
4
0.4
ESE
4
0.5
SE
4
0.7
SE
4
0.6
SSE
4
0.7
SSE
4
1.2
S
5
1.1
S
5
1.5
SSW
6
1.7
SSW
7
Energy kJ
13
7
23
22
2
2
2
2
8
9
18
12
16
63
65
141
294
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
2
3
2
Distance (km)
83
41
27
27
27
27
38
60
125
71
74
71
71
92
92
226
125
71
42
123
123
436
419
83
Best forecast wave conditions in Shizuoka
Rating
(10 max)
1
1
2
2
3
2
2
1
1
1
1
1
1
1
1
2
Best forecast wave conditions in Japan
Rating
(10 max)
1
2
3
2
3
2
2
1
1
1
1
1
1
1
1
1
2
1
1
1
2
3
4
3
Header Global
Rating
(10 max)
5
9
9
9
5
5
5
5
6
6
6
6
7
4
4
4
4
4
5
5
9
9
4
9
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder

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