Surf Forecast Surf Report
Oiso Jetty surf break

Oiso Jetty surfForecast / Kanagawa / Japan

information circle12 Day Weather and Surf, issued 8 am Monday 12 May 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
18.4° C
(Which is 1.7°C colder than average 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 Monday (May 19) at 12PM. The primary swell is predicted to be 1.0m and 6s period with a secondary swell of 0.1m and 11s. Another secondary swell of 0.1m and 9s is also forecast. 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 1.6m 6s and forecast to arrive on Monday (May 19) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Saturday (May 17) at 6AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Mon 19th May)3.5ft (1.0m) 6s
Best Surf12PM (Mon 19th May)3.5ft (1.0m) 6s
Most Powerful 3PM (Mon 19th May)5ft (1.6m) 6s

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

Updates in  hr  min  s Forecast update imminent
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
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
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
SSW
0.9
SSW
0.4
SSW
0.3
SSE
0.4
S
0.3
SSE
0.2
SSE
0.1
SE
0.2
SSE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.3
SE
0.3
SSE
0.8
S
0.8
S
0.7
S
0.5
S
0.6
S
0.5
SSW
0.8
S
1.6
SSW
1.8
SSW
2.3
SSW
2
SSW
0.9
S
0.6
SSE
0.5
S
0.2
ESE
0.4
S
0.5
S
0.4
S
0.2
ESE
0.4
SSW
0.4
S
Period(s) (?)66676651061013121111577666466688877116661176
Wave
Graph
(?)Metric surfscale
Energy (?)44531291164444755195575741192484317026968651193352411131510111512
Wind
(km/h)
10
WSW
10
NE
10
NNE
5
S
15
S
10
W
5
SE
15
S
5
WNW
5
SSE
15
S
10
WSW
10
SW
10
NNE
10
N
10
S
5
NNW
10
WNW
5
E
20
S
10
WSW
5
S
10
S
30
SSW
30
SW
15
SW
5
W
20
NE
15
ENE
5
SW
10
SE
15
S
5
WNW
5
ESE
10
S
5
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
cross-
off
glasscross-
on
cross-
off
oncross-
on
cross-
off
crosscross-
off
cross-
off
cross-
on
glassoffcross-
on
cross-
on
cross-
off
cross-
on
cross-
on
crosscrosscrosscross-
off
crosscrossglassoncross-
on
glasscross-
on
cross-
on
glass
High Tide
/ height (m)
5:17PM
1.41
4:00AM
1.46
5:53PM
1.41
4:25AM
1.47
6:30PM
1.38
4:52AM
1.47
7:10PM
1.35
5:20AM
1.45
7:54PM
1.30
5:51AM
1.42
8:47PM
1.27
6:26AM
1.36
9:49PM
1.26
7:10AM
1.28
10:55PM
1.27
8:20AM
1.18
11:51PM
1.31
10:18AM
1.10
12:36AM
1.35
12:20PM
1.11
1:12AM
1.39
1:51PM
1.21
1:46AM
1.43
Low Tide
/ height (m)
10:27AM
0.18
10:34PM
0.85
10:57AM
0.13
11:02PM
0.90
11:29AM
0.11
11:31PM
0.94
12:03PM
0.12
12:00AM
0.98
12:40PM
0.16
12:34AM
1.01
1:20PM
0.21
1:18AM
1.05
2:06PM
0.28
2:24AM
1.08
3:00PM
0.35
4:06AM
1.06
4:05PM
0.43
5:52AM
0.95
5:17PM
0.51
6:59AM
0.78
6:28PM
0.59
7:47AM
0.58
7:32PM
0.67
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sunrise4:41--4:41--4:39--4:39--4:37--4:37--4:37--4:35--4:35--4:35--4:33--4:33--
Sunset-6:37--6:37--6:37--6:38--6:39--6:40--6:40--6:42--6:43--6:44--6:44--6:45-
cloudpart cloudpart cloudpart cloudclearpart cloudcloudcloudclearclearcloudcloudmod rainheavy rainheavy raincloudpart cloudpart cloudpart cloudpart cloudpart cloudlight rainlight rainheavy rainlight raincloudpart cloudpart cloudpart cloudpart cloudclearpart cloudcloudcloudpart cloudpart cloud
Rain (mm)
------------61415------13225-----------
Temp. °C191917191917202018212019181616182120222220222122222321201918202018202018
Feels °C (?)201817171616191919201918171614202321222120242320202421181618181718191918

Short Range Forecast: Mostly dry. Warm (max 20°C on Wed morning, min 16°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 35mm), heaviest during Fri night. Warm (max 21°C on Thu morning, min 15°C on Fri morning). Wind will be generally light.

Days 6-9 Weather Summary Heavy rain (total 31mm), heaviest during Mon night. Warm (max 23°C on Tue afternoon, min 18°C on Tue night). Winds increasing (calm on Mon morning, fresh winds from the SW by Mon night).

Long Range Forecast: Mostly dry. Warm (max 20°C on Wed morning, min 17°C on Wed 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)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
submit an eyeball surf report

Quick surf report for Oiso Jetty:

join our community of surf reporters

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Oiso Jetty surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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.

Nearest
Nearest