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Kugenuma Rivermouth surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Thursday 04 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Kugenuma Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kugenuma Rivermouth sea temperature is
20.3° C
(Which is normal for this time of year)How big are the waves at Kugenuma Rivermouth today?
The current surf forecast for Kugenuma Rivermouth at 12PM is: 0.3m 10s primary swell from a Southwest direction and 0.4m 5s secondary swell from a Southwest direction (forecast issued at 08:00am December 04). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Dec) | 1.5ft (0.5m) | 6s |
| Afternoon (04 Dec) | 0.5ft (0.2m) | 10s |
| Evening (04 Dec) | 0.5ft (0.2m) | 5s |
Table - waves today at Kugenuma Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 04 | Friday 05 | Saturday 06 | Sun 07 | |||||||||||||||||||||
| 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) (?) | 6 | 6 | 10 | 10 | 5 | 5 | 4 | 5 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 10 | 9 | 10 | 10 | 10 | 10 | 16 | 3 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 108 | 15 | 15 | 9 | 3 | 3 | 10 | 11 | 80 | 96 | 62 | 80 | 27 | 7 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 5 | 3 | 3 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | cross- on | cross- on | cross | cross- off | cross- on | cross- on | cross | cross- on | cross- on | off | off | off | off | off | glass | cross- on | cross- on | on | cross- on | cross- on | cross- on |
High Tide / height (m) | 5:19AM 1.35 | 3:15PM 1.48 | 5:56AM 1.37 | 3:45PM 1.51 | 6:30AM 1.37 | 4:19PM 1.53 | ||||||||||||||||||
Low Tide / height (m) | 10:02AM 1.03 | 10:40PM 0.04 | 10:30AM 1.06 | 11:12PM -0.01 | 11:00AM 1.07 | 11:47PM -0.01 | ||||||||||||||||||
Thursday 04 | Friday 05 | Saturday 06 | Sun 07 | |||||||||||||||||||||
| Sunrise | - | 6:33 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - |
| Sunset | - | - | - | 4:29 | - | - | - | - | - | - | - | 4:29 | - | - | - | - | - | - | - | 4:29 | - | - | - | - |
 |  |  | |  | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 8 | 7 | 8 | 9 | 9 | 9 | 9 | 8 | 7 | 8 | 11 | 12 | 11 | 9 | 8 | 8 | 8 | 9 | 11 | 12 | 13 | 12 | 11 | 10 |
| Feels °C (?) | 0 | 0 | 3 | 3 | 4 | 5 | 5 | 1 | 0 | 1 | 5 | 5 | 3 | 1 | 2 | 4 | 4 | 6 | 8 | 8 | 9 | 7 | 7 | 5 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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