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Surf Forecasts:
Sagami River surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Sunday 12 Oct 2025 JST
How big are the waves at Sagami River today?
The current surf forecast for Sagami River at 12PM is: 0.8m 7s primary swell from a South-southeast direction and 0.5m 8s secondary swell from a South-southwest direction (forecast issued at 08:00am October 12). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Oct) | 2.5ft (0.7m) | 8s |
| Afternoon (12 Oct) | 2.5ft (0.8m) | 8s |
| Evening (12 Oct) | 2.5ft (0.7m) | 7s |
Table - waves today at Sagami River. (Swell directed towards the surf break)
Sunday 12 | Monday 13 | Tuesday 14 | Wed 15 | |||||||||||||||||||||
| 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 | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 7 | 8 | 7 | 7 | 7 | 7 | 9 | 13 | 13 | 12 | 11 | 10 | 9 | 9 | 9 | 8 | 7 | 7 | 7 | 7 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 81 | 60 | 73 | 75 | 57 | 51 | 52 | 63 | 86 | 384 | 1009 | 765 | 541 | 286 | 136 | 55 | 13 | 18 | 10 | 9 | 8 | 5 | 3 | 1 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- on | cross- on | cross- on | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | glass | cross- off | cross- off | cross- off |
High Tide / height (m) | 8:55AM 1.25 | 6:34PM 1.47 | 10:49AM 1.16 | 7:03PM 1.37 | 7:37PM 1.24 | |||||||||||||||||||
Low Tide / height (m) | 1:02PM 1.06 | 2:29AM 0.23 | 1:20PM 1.14 | 3:46AM 0.37 | ||||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | Wed 15 | |||||||||||||||||||||
| Sunrise | 5:45 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:47 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 5:12 | - | - | - | - | - | - | - | 5:10 | - | - | - | - | - | - | - | 5:08 | - | - | - | - |
 |  | | |  | |  | | | | |  |  | | | |  | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | 1 | 3 | 8 |
| Temp. °C | 18 | 20 | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 24 | 25 | 23 | 22 | 21 | 20 | 19 | 19 | 20 | 20 | 20 | 19 | 18 | 17 |
| Feels °C (?) | 19 | 21 | 23 | 25 | 26 | 25 | 25 | 23 | 21 | 19 | 20 | 22 | 21 | 20 | 20 | 19 | 18 | 18 | 20 | 20 | 22 | 20 | 16 | 16 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Kanagawa
Continuing clean conditions at Sagami River (light winds from the SSE at 1290 10 km from Sagami River). 0.9m 7s swell from the S with a 0.2m 10s swell from the ESE. 2 swells combining to make bigger set waves.
1 h 12 min ago
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