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Surf Forecasts:
Osaki surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 pm Sunday 07 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Osaki surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Osaki sea temperature is
19.0° C
(Which is slightly cooler than normal)How big are the waves at Osaki today?
The current surf forecast for Osaki at 11PM is: 0.1m 9s primary swell from a Southeast direction and 0.2m 4s secondary swell from a South-southwest direction, 0.1m 7s secondary swell from a Southwest direction (forecast issued at 08:00pm December 07). The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Dec) | - | - |
| Afternoon (07 Dec) | - | - |
| Evening (07 Dec) | 0.5ft (0.1m) | 9s |
Table - waves today at Osaki. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sun 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||||||||
| 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 10 | 4 | 5 | 6 | 6 | 6 | 6 | 5 | 10 | 9 | 9 | 9 | 9 | 11 | 10 | 10 | 10 | 10 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3 | 3 | 3 | 3 | 10 | 13 | 14 | 79 | 136 | 62 | 15 | 4 | 4 | 3 | 3 | 3 | 3 | 5 | 4 | 4 | 4 | 11 | 11 | 24 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | glass | off | off | glass | on | cross- on | cross- on | cross- off | off | off | off | off | off | off | off | cross- off | cross- off | glass | off | off | cross- off | glass | cross- on |
High Tide / height (m) | 5:05PM 1.50 | 7:56AM 1.42 | 5:45PM 1.48 | 8:38AM 1.40 | 6:29PM 1.42 | 9:20AM 1.37 | ||||||||||||||||||
Low Tide / height (m) | 12:32AM -0.04 | 12:43PM 1.05 | 1:13AM 0.00 | 1:29PM 1.04 | 1:55AM 0.09 | 2:20PM 1.01 | ||||||||||||||||||
Sun 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - |
| Sunset | - | - | - | - | - | - | - | 4:29 | - | - | - | - | - | - | - | 4:29 | - | - | - | - | - | - | - | 4:29 |
 | | | | |  |  |  |  |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 14 | 13 | 12 | 11 | 12 | 14 | 16 | 16 | 13 | 12 | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 10 | 9 | 10 | 11 | 12 |
| Feels °C (?) | 12 | 12 | 9 | 7 | 8 | 9 | 9 | 10 | 12 | 6 | 5 | 4 | 3 | 3 | 4 | 6 | 7 | 8 | 8 | 6 | 4 | 6 | 8 | 8 |
- 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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