Kaifu Rivermouth Surf Break

Kaifu Rivermouth Surf Forecast and Surf Report

Lat Long: 33.59° N 134.36° E

Issued: 8 pm 26 Jun 2026 (local time)

Forecast update in  hr  min

Today's Kaifu Rivermouth sea temperature is
23.8° C

Slightly cooler than normal

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


Kaifu Rivermouth surf forecast from 26 Jun 2026:

  • Best quality surf: Saturday 27 Jun, 6PM (local time) - 11ft (3.5m), 12s period, S swell with glassy winds.
  • Most powerful swell: Saturday 27 Jun, 6PM (local time) - 11ft (3.5m), 12s period, S swell with 3,179 kJ wave energy.
  • Next surfable swell (1★+): Saturday 27 Jun, 3AM (local time) - 3.5ft (1.1m), 12s period with SSW swell.

Best Forecast Surf Conditions for Kaifu Rivermouth this week:

The surf forecast for Kaifu Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jun 27) at 3AM. The primary swell is predicted to be 1.1m and 12s period with a secondary swell of 0.4m and 10s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Kaifu Rivermouth in the next 16 days are 3.5m 12s and forecast to arrive on Saturday (Jun 27) at 6PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Saturday (Jun 27) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Sat 27th Jun)3.5ft (1.1m) 12s
Best Surf 6PM (Sat 27th Jun)11ft (3.5m) 12s
Most Powerful 6PM (Sat 27th Jun)11ft (3.5m) 12s

Table - best surf conditions forecast for Kaifu Rivermouth over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 37mm), heaviest during Sat morning. Warm (max 25°C on Sat afternoon, min 22°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 41mm), heaviest during Wed afternoon. Warm (max 25°C on Thu morning, min 22°C on Mon night). Wind will be generally light.

Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Fri
3
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
2
3
3
4
1
1
1
0
0
1
1
1
2
2
1
3
1
0
1
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
SSW
13
1.1
S
14
3
S
11
2.5
S
11
1.3
SSE
9
1
SSW
9
0.9
SSE
8
0.7
SSE
7
0.8
SE
9
0.8
SE
9
0.6
SE
9
1.6
SE
6
1.9
SE
7
1.9
SW
7
1.1
SSW
7
2
E
7
0.9
ESE
6
1
ESE
8
0.9
ESE
8
0.7
ESE
8
0.6
ESE
8
Wave Graph
Metric surfscale
Energy kJ
530
458
2620
1606
273
169
106
48
93
99
70
145
362
335
105
364
57
128
94
68
54
Wind (km/h)
10
N
15
NE
20
N
5
ESE
10
NE
5
ENE
0
NW
5
ENE
5
ESE
5
WNW
5
ENE
5
ESE
5
SW
5
SW
5
S
5
NNE
5
ENE
5
SSE
5
WSW
10
SSE
10
S
Wind State
cross-off
cross-off
cross-off
glassy
cross
cross-on
glassy
cross
on
cross-off
glassy
glassy
glassy
glassy
glassy
glassy
glassy
on
cross-off
on
cross-on
High Tide
3:12AM1.55m
5:23PM1.53m
3:56AM1.58m
6:00PM1.59m
4:37AM1.62m
6:35PM1.62m
5:16AM1.66m
7:08PM1.64m
5:54AM1.69m
7:40PM1.65m
6:30AM1.70m
8:10PM1.65m
7:07AM1.69m
Low Tide
9:46PM1.07m
10:21AM0.35m
10:35PM1.06m
11:00AM0.27m
11:16PM1.04m
11:37AM0.21m
11:52PM1.01m
12:13PM0.18m
00:26AM0.98m
12:48PM0.16m
1:00AM0.96m
1:22PM0.17m
1:35AM0.93m
1:55PM0.21m
rain showers
heavy rain
rain showers
light rain
cloud
rain showers
part cloud
part cloud
clear
clear
light rain
mod rain
heavy rain
mod rain
mod rain
rain showers
rain showers
thunderstorm
clear
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:54
4:54
4:54
4:54
4:54
4:56
4:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:15
7:15
7:15
7:15
7:15
7:15
7:15
7:15
 mm
4
24
2
4
3
2
8
11
6
7
1
2
4
3
3
Temp °C
23
23
25
23
23
25
23
25
25
23
24
23
23
23
23
22
25
25
23
25
26
Feels °C
26
24
26
28
26
28
27
27
27
26
27
27
27
27
27
26
29
29
26
28
28
Swell 1
Height (m)
Direction
Period (s)
1.3
SSW
13
1.1
S
14
3
S
11
2.5
S
11
1.3
SSE
9
1.1
SSE
8
0.9
SSE
8
0.7
SSE
7
0.8
SE
9
0.8
SE
9
0.7
SSW
7
0.9
SSW
7
1
SSW
7
1.3
S
7
1.1
SSW
7
1.6
ESE
7
0.9
ESE
6
1
ESE
8
0.9
ESE
8
0.7
ESE
8
0.6
ESE
8
Energy kJ
530
458
2620
1606
273
169
106
48
93
99
48
66
105
154
105
237
57
128
94
68
54
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
10
1.1
SE
9
0.2
ESE
16
0.2
ESE
16
1.2
SSW
9
1
SSW
9
0.8
SSW
8
0.5
SSW
7
0.6
SSW
7
0.4
SSW
7
0.6
SE
9
0.2
ESE
14
0.2
ESE
13
0.6
SE
9
0.6
SE
9
0.8
SSW
7
0.7
SSW
7
0.4
SSW
7
0.4
SSW
6
0.3
SSW
6
0.2
SSW
6
Energy kJ
36
190
26
25
237
141
76
29
42
21
70
18
18
65
67
62
44
18
13
7
4
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
18
0.9
SSW
12
0.2
ESE
16
0.2
ESE
16
0.1
SE
16
0.2
ESE
15
0.4
SE
9
0.2
ESE
15
0.2
ESE
15
0.2
ESE
14
0.3
ESE
14
0.9
SE
8
0.2
ESE
13
0.2
ESE
13
0.2
ESE
13
0.5
SE
9
0.2
ESE
13
0.2
ESE
12
0.2
ESE
12
0.2
SSE
5
Energy kJ
12
247
26
25
10
22
31
21
21
20
37
88
18
17
17
39
16
15
14
3
Wind waves
Height (m)
Direction
Period (s)
0.4
NNE
3
0.6
NE
3
0.8
NNE
4
0.4
NE
3
0.4
NE
4
0.2
NNE
3
0.7
SE
4
1.6
SE
6
1.9
SE
7
1.9
SW
7
0.4
NNE
4
2
E
7
0.4
NNE
3
0.2
NNE
3
Energy kJ
3
9
21
3
3
1
16
145
362
335
5
364
4
1
Nearest Offshore or Glassy
Rating
(10 max)
2
3
4
4
3
1
1
1
1
1
1
1
2
2
1
3
1
1
1
1
1
Distance (km)
0
0
4
0
2
6
0
10
5
0
0
0
0
0
0
0
0
6
0
6
477
Best forecast wave conditions in Shikoku
Rating
(10 max)
3
4
4
4
3
2
2
1
1
1
1
2
3
2
1
3
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
3
4
4
4
3
2
2
1
1
1
1
2
3
2
1
3
1
1
1
2
1
Header Global
Rating
(10 max)
7
5
6
5
4
7
5
6
6
7
6
5
5
5
5
5
4
5
7
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Kaifu Rivermouth Surf forecast

The above surf forecast table for Kaifu Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kaifu Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Kaifu Rivermouth surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kaifu Rivermouth) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Kaifu Rivermouth may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Kaifu Rivermouth is 40 km (25 miles) from Muroto. If you plan a holiday in Shikoku, look for hotels and other accommodation in Muroto. Muroto has rooms for a wide range of budgets as well as car hire and transport links.

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