Surf Forecasts:
Oiso Jetty surf forecast from 19 Jun 2026:
- Best quality surf: Sunday 21 Jun, 6AM (local time) - 6ft (1.8m), 6s period, S swell with offshore winds.
- Most powerful swell: Sunday 21 Jun, 6PM (local time) - 6ft (1.9m), 7s period, SW swell with 352 kJ wave energy.
- Next surfable swell (1★+): Sunday 21 Jun, 6AM (local time) - 6ft (1.8m), 6s period with S swell.
Best Forecast Surf Conditions for Oiso Jetty this week:
The surf forecast for Oiso Jetty over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jun 21) at 6AM. The primary swell is predicted to be 1.8m and 6s period with a secondary swell of 1.3m and 6s. Another secondary swell of 0.1m and 12s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Oiso Jetty in the next 16 days are 1.9m 7s and forecast to arrive on Sunday (Jun 21) at 6PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Tuesday (Jun 23) at 9AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Sun 21st Jun) | 6ft (1.8m) 6s |
| Best Surf | 6AM (Sun 21st Jun) | 6ft (1.8m) 6s |
| Most Powerful | 6PM (Sun 21st Jun) | 6ft (1.9m) 7s |
Table - best surf conditions forecast for Oiso Jetty over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 51mm), heaviest during Sat night. Warm (max 26°C on Sun afternoon, min 20°C on Sat afternoon). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 6mm), mostly falling on Tue night. Warm (max 24°C on Tue morning, min 16°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSE 10 | S 6 | SSE 5 | SW 6 | SSW 8 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSE 12 | SSE 11 | SSE 11 | SE 11 | SE 10 | SSE 10 | SSE 5 | SSE 10 | SSE 6 | SSE 7 | SE 8 | SE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 9 | 12 | 28 | 157 | 236 | 68 | 59 | 39 | 117 | 13 | 13 | 12 | 18 | 17 | 10 | 10 | 10 | 20 | 41 | 64 | 18 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | cross-on | on | cross-off | cross-on | cross-on | cross | glassy | cross-on | cross | cross | glassy | glassy | cross-on | cross-on | glassy | cross-on | cross-on | cross-off |
High Tide | 9:31PM1.34m | 8:32AM1.22m | 10:05PM1.32m | 9:56AM1.10m | 10:40PM1.32m | 11:43AM1.04m | 11:17PM1.32m | 1:37PM1.06m | 11:58PM1.33m | 3:02PM1.13m | 00:43AM1.33m | 3:57PM1.21m | 1:30AM1.35m | ||||||||
Low Tide | 2:29PM0.32m | 3:14AM0.84m | 3:10PM0.50m | 4:24AM0.75m | 3:53PM0.67m | 5:37AM0.65m | 4:42PM0.82m | 6:43AM0.54m | 5:45PM0.94m | 7:39AM0.44m | 7:01PM1.02m | 8:26AM0.35m | 8:12PM1.05m | ||||||||
 |  |  |  |  |  | | |  |  | | |  | | | | |  | | | | |
 | 4:28 | — | — | 4:28 | — | — | 4:28 | — | — | 4:28 | — | — | 4:28 | — | — | 4:28 | — | — | 4:28 | — | — |
 | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — |
mm | 3 | 12 | 35 | — | — | — | — | — | 1 | 1 | 1 | 4 | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 21 | 22 | 23 | 26 | 24 | 24 | 24 | 23 | 24 | 23 | 18 | 18 | 19 | 19 | 22 | 23 | 22 | 23 | 23 | 21 |
Feels °C | 26 | 23 | 23 | 26 | 29 | 25 | 24 | 25 | 25 | 25 | 22 | 16 | 18 | 19 | 20 | 23 | 22 | 23 | 23 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SSE 10 | SSE 9 | S 6 | SSW 8 | SSW 7 | SSW 8 | SSW 8 | SSW 6 | SSW 6 | SSE 11 | SSE 11 | SE 11 | SE 10 | SSE 10 | SSE 5 | SSW 8 | SSE 6 | SSE 7 | SE 8 | SE 7 |
| kJ | 5 | 9 | 8 | 79 | 105 | 68 | 59 | 39 | 12 | 6 | 13 | 12 | 18 | 17 | 10 | 7 | 7 | 20 | 41 | 64 | 18 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SE 12 | SW 7 | SE 11 | SE 6 | SSE 10 | SSE 10 | SSE 10 | SW 9 | SSE 12 | S 6 | S 6 | SE 4 | S 9 | S 8 | SSW 9 | SSE 10 | SSW 9 | SW 11 | SW 10 | S 7 |
| kJ | 9 | 6 | 2 | 5 | 6 | 10 | 10 | 10 | 19 | 13 | 2 | 1 | 1 | 2 | 1 | 8 | 10 | 8 | 5 | 4 | 10 |
Swell 3 Height (m) Direction Period (s) | SE 5 | SE 12 | SE 12 | SE 9 | SSE 11 | E 16 | E 8 | E 10 | SSE 10 | SW 8 | S 11 | S 10 | S 9 | S 11 | SW 10 | SSE 10 | SSW 10 | SE 10 | SE 11 | S 9 | SSE 9 |
| kJ | 1 | 6 | 6 | 3 | 12 | 5 | 1 | 8 | 10 | 3 | 2 | 2 | 2 | 2 | 4 | 10 | 10 | 4 | 5 | 1 | 9 |
Wind waves Height (m) Direction Period (s) | — | S 6 | SSE 5 | SW 6 | SSW 8 | — | — | SSE 2 | SSW 8 | N 3 | ESE 3 | ESE 4 | SE 4 | S 3 | S 4 | — | SSE 5 | — | ENE 2 | NE 2 | — |
| kJ | — | 12 | 28 | 157 | 236 | — | — | 1 | 117 | 2 | 4 | 1 | 4 | 5 | 7 | — | 8 | — | 1 | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 121 | 106 | 463 | 9 | 22 | 0 | 12 | 61 | 61 | 77 | 200 | 200 | 82 | 69 | 69 | 42 | 490 | 9 | 45 | 61 | 9 |
Best forecast wave conditions in Kanagawa | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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 16 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