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Kugenuma Rivermouth surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 pm Wednesday 03 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 10PM is: 1.3m 7s primary swell from a Southwest direction and 0.3m 8s secondary swell from a Southeast direction (forecast issued at 02:00pm December 03). An open ocean swell of 2.5m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Dec) | - | - |
| Afternoon (03 Dec) | 4.5ft (1.3m) | 5s |
| Evening (03 Dec) | 4ft (1.2m) | 6s |
Table - waves today at Kugenuma Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 03 | Thursday 04 | Friday 05 | Saturday 06 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 5 | 6 | 6 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 4 | 5 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 11 | 84 | 176 | 116 | 192 | 135 | 107 | 15 | 7 | 3 | 3 | 3 | 7 | 8 | 67 | 69 | 80 | 93 | 27 | 7 | 3 | 4 | 4 | 3 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- off | cross- on | off | cross- off | cross- off | cross- off | glass | cross- on | cross- on | cross- on | glass | cross | cross- on | cross- on | cross | cross- on | cross | off | off | off | off | cross- off | cross- off |
High Tide / height (m) | 2:46PM 1.44 | 5:19AM 1.35 | 3:15PM 1.48 | 5:56AM 1.37 | 3:45PM 1.51 | 6:30AM 1.37 | ||||||||||||||||||
Low Tide / height (m) | 9:30AM 0.99 | 10:08PM 0.11 | 10:02AM 1.03 | 10:40PM 0.04 | 10:30AM 1.06 | 11:12PM -0.01 | ||||||||||||||||||
Wednesday 03 | Thursday 04 | Friday 05 | Saturday 06 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 |
| Sunset | - | 4:29 | - | - | - | - | - | - | - | 4:29 | - | - | - | - | - | - | - | 4:29 | - | - | - | - | - | - |
 |  |  |  |  | | |  | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 16 | 15 | 10 | 8 | 7 | 7 | 8 | 8 | 9 | 10 | 10 | 9 | 8 | 7 | 8 | 11 | 12 | 10 | 9 | 8 | 8 | 9 | 9 |
| Feels °C (?) | 11 | 14 | 11 | 3 | -1 | -3 | 0 | 4 | 4 | 4 | 5 | 8 | 4 | 2 | 0 | 2 | 2 | 4 | 1 | 2 | 3 | 4 | 6 | 5 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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