Kojima surfForecast / Kyu Shu / Japan

information circle12 Day Weather and Surf, issued 2 am Friday 04 Jul 2025 JST
Forecast update in hr  min  s Forecast update imminent
Kojima surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kojima sea temperature is
28.0° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Kojima this week:

The surf forecast for Kojima over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 04) at 6PM. The primary swell is predicted to be 0.9m and 10s period with a secondary swell of 0.1m and 16s. Another secondary swell of 0.5m and 3s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Kojima in the next 12 days are 3.5m 10s and forecast to arrive on Thursday (Jul 10) at 6AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Saturday (Jul 05) at 9PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Fri 4th Jul)3ft (0.9m) 10s
Best Surf 6AM (Thu 10th Jul)11ft (3.5m) 10s
Most Powerful 6AM (Thu 10th Jul)11ft (3.5m) 10s

Table - best surf conditions forecast for Kojima over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
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
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
ESE
0.6
E
1
ESE
1.1
ESE
1.2
E
1
E
0.9
E
0.8
E
0.7
E
0.6
E
0.6
ESE
0.7
E
0.7
E
0.6
ESE
0.6
ESE
1.7
E
2.5
ESE
3.5
ESE
3.5
ESE
3
ESE
3
ESE
2.5
ESE
2.2
ESE
1.7
ESE
1.4
E
1.5
E
1.3
ESE
1.2
ESE
1.2
ESE
1.2
E
1.2
E
1.3
E
1.3
E
1.5
E
1.6
E
1.8
E
Period(s) (?)10101010101010109101210101212681010988889109101010101010101010
Wave
Graph
(?)Metric surfscale
Energy (?)1321422242713162572131751621451911701931992142818952106212815991049876661436372444362318392379320352362469507647
Wind
(km/h)
10
SSW
20
SSW
10
WSW
10
WNW
20
SW
15
W
10
WNW
10
SSW
10
NW
0
W
10
ESE
10
N
20
NNE
20
ENE
15
E
15
ENE
25
ENE
20
NE
35
NE
40
NE
35
ENE
45
ENE
40
ENE
35
E
30
E
25
E
20
ENE
20
ENE
20
ENE
10
NE
20
NE
20
E
15
ENE
20
ENE
20
E
25
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
off
offcross-
off
offoffcrossoffglassoncross-
off
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
1:00PM
1.55
12:48AM
1.76
2:35PM
1.58
1:42AM
1.78
3:56PM
1.66
2:37AM
1.82
4:57PM
1.76
3:30AM
1.87
5:45PM
1.86
4:20AM
1.93
6:26PM
1.93
5:06AM
1.99
7:03PM
1.97
5:50AM
2.03
7:38PM
1.99
6:34AM
2.06
8:10PM
1.99
7:16AM
2.05
8:42PM
1.98
8:01AM
2.00
9:14PM
1.95
8:47AM
1.93
9:47PM
1.91
Low Tide
/ height (m)
6:34PM
1.04
7:50AM
0.68
7:48PM
1.16
8:55AM
0.54
9:02PM
1.23
9:51AM
0.40
10:05PM
1.24
10:41AM
0.27
10:58PM
1.23
11:25AM
0.17
11:43PM
1.19
12:07PM
0.11
12:23AM
1.14
12:46PM
0.09
1:02AM
1.08
1:25PM
0.12
1:40AM
1.02
2:02PM
0.20
2:19AM
0.96
2:39PM
0.32
3:00AM
0.90
3:17PM
0.48
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Sunrise5:13--5:13--5:15--5:15--5:16--5:16--5:16--5:16--5:18--5:18--5:18--5:18--
Sunset-7:22--7:22--7:22--7:22--7:22--7:22--7:22--7:21--7:21--7:21--7:21--7:20-
clearclearclearclearpart cloudclearpart cloudpart cloudpart cloudclearclearrain showersthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm clearclearclearclearpart cloudrain showersclearclearclearrain showers
Rain (mm)
-----------11285228912571431-----1---1
Temp. °C292928313227313228303028292927282928272727282828292928302927292927302928
Feels °C (?)313132343430353531333333313130303028262626272728303031313030313130313030

Short Range Forecast: Mostly dry. Warm (max 32°C on Sat afternoon, min 25°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 21mm), heaviest during Tue night. Warm (max 30°C on Mon morning, min 26°C on Mon night). Winds increasing (calm on Mon morning, fresh winds from the NE by Wed night).

Days 6-9 Weather Summary Heavy rain (total 59mm), heaviest during Thu morning. Warm (max 29°C on Sat morning, min 27°C on Thu morning). Winds decreasing (strong winds from the ENE on Fri morning, light winds from the E by Sat night).

Long Range Forecast: Light rain (total 2mm), mostly falling on Mon afternoon. Warm (max 30°C on Sun morning, min 26°C on Sun night). Wind will be generally light.

  • 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 Kojima Surf forecast

The above surf forecast table for Kojima provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Kojima can be found by selecting the local surf guide option on the grey menu. Our Kojima 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 (Kojima) 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 Kojima 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.

Kojima is 13 km (8 miles) from Kushima. If you plan a holiday in Kyu Shu, look for hotels and other accommodation in Kushima. Kushima has rooms for a wide range of budgets as well as car hire and transport links.

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