Oiso Jetty surf break

Oiso Jetty surfForecast / Kanagawa / Japan

information circle12 Day Weather and Surf, issued 2 am Wednesday 02 Jul 2025 JST
Forecast update in hr  min  s Forecast update imminent
Oiso Jetty surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Oiso Jetty sea temperature is
25.3° C
(Which is 1.3°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Oiso Jetty this week:

The surf forecast for Oiso Jetty over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jul 05) at 3AM. The primary swell is predicted to be 0.8m and 10s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Oiso Jetty in the next 12 days are 1.3m 12s and forecast to arrive on Tuesday (Jul 08) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Sat 5th Jul)2.5ft (0.8m) 10s
Best Surf 3AM (Sat 5th Jul)2.5ft (0.8m) 10s
Most Powerful 3AM (Tue 8th Jul)4.5ft (1.3m) 12s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
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
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.3
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.6
SE
0.6
SE
0.7
SE
0.7
SE
0.6
SE
0.6
SE
0.6
SE
0.6
SE
0.6
SE
0.8
SE
0.8
SE
1.1
SE
1.3
SSE
1.1
SSE
0.9
SSE
0.8
S
0.8
SSW
0.6
SW
0.7
SW
0.7
SW
0.7
SW
0.6
SW
0.6
ESE
0.6
SE
0.5
SE
1
SE
0.7
SE
0.6
SW
0.5
SE
0.4
E
Period(s) (?)10101010991010111010109101112121211108101016151516141211151312111112
Wave
Graph
(?)Metric surfscale
Energy (?)214334454724616011198777456741232432364755033261771801952162422492701851781412193721971517592
Wind
(km/h)
5
SSE
10
S
10
N
5
ENE
15
S
10
SSW
5
SSE
15
S
5
SW
10
ESE
10
S
5
SSW
5
ESE
10
S
0
WSW
15
ENE
25
ENE
30
NE
20
NE
10
S
5
NNE
15
ENE
10
SSE
5
ENE
10
SE
15
S
10
SSW
5
SSE
10
S
10
NE
20
NE
25
E
20
NNE
25
NNE
25
NE
25
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on
cross-
off
cross-
on
cross-
on
cross-
on
oncross-
on
crosscross-
on
cross-
on
glassglasscross-
on
glasscrosscross-
on
cross-
off
cross-
off
cross-
on
cross-
off
cross-
on
cross-
on
glassoncross-
on
cross-
on
cross-
on
cross-
on
crosscrosscross-
on
cross-
off
cross-
off
crosscross
High Tide
/ height (m)
9:51PM
1.32
10:11AM
1.05
10:23PM
1.31
12:01PM
1.01
10:59PM
1.31
2:01PM
1.05
11:44PM
1.31
3:22PM
1.14
12:35AM
1.31
4:10PM
1.22
1:30AM
1.33
4:47PM
1.29
2:21AM
1.37
5:21PM
1.34
3:09AM
1.41
5:52PM
1.38
3:53AM
1.45
6:23PM
1.41
4:35AM
1.48
6:52PM
1.43
5:17AM
1.48
7:21PM
1.44
Low Tide
/ height (m)
3:03PM
0.61
4:30AM
0.71
3:38PM
0.75
5:38AM
0.63
4:22PM
0.88
6:42AM
0.54
5:30PM
0.99
7:39AM
0.45
7:03PM
1.06
8:29AM
0.35
8:22PM
1.08
9:14AM
0.26
9:20PM
1.07
9:55AM
0.18
10:05PM
1.04
10:34AM
0.11
10:44PM
1.01
11:11AM
0.07
11:21PM
0.97
11:47AM
0.05
11:59PM
0.93
12:22PM
0.08
12:39AM
0.87
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Sunrise4:31--4:31--4:31--4:33--4:33--4:33--4:33--4:35--4:35--4:35--4:37--4:37--
Sunset-7:00--7:00--7:00--7:00--7:00--7:00--7:00--7:00--7:00--7:00--6:59--6:59-
thunderstorm thunderstorm thunderstorm clearthunderstorm clearpart cloudclearclearclearthunderstorm clearclearclearclearclearclearrain showersrain showersclearclearclearclearclearclearclearpart cloudpart cloudpart cloudpart cloudclearpart cloudlight rainpart cloudpart cloudrain showers
Rain (mm)
8312-1-----3------33-------------1--5
Temp. °C272826262625272726282827282826313128292926292926272826272826292926282927
Feels °C (?)323231312828292930313131313130313027323231323231293030313132282827282928

Short Range Forecast: Heavy rain (total 24mm), heaviest during Wed night. Warm (max 28°C on Wed afternoon, min 24°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Sat afternoon. Warm (max 31°C on Mon morning, min 25°C on Mon night). Wind will be generally light.

Days 6-9 Weather Summary Light rain (total 3mm), mostly falling on Tue morning. Warm (max 29°C on Tue morning, min 25°C on Wed night). Wind will be generally light.

Long Range Forecast: Moderate rain (total 10mm), heaviest on Mon morning. Warm (max 29°C on Sat morning, min 25°C on Fri 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 Oiso Jetty Surf forecast

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

Oiso Jetty is 3 km (2 miles) from Ninomiya. If you plan a holiday in Kanagawa, look for hotels and other accommodation in Ninomiya. Ninomiya has rooms for a wide range of budgets as well as car hire and transport links.

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