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Kugenuma Rivermouth surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 am Tuesday 02 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
20.7° C
(Which is slightly warmer than usual)How big are the waves at Kugenuma Rivermouth today?
The current surf forecast for Kugenuma Rivermouth at 10AM is: 0.3m 5s primary swell from a South-southwest direction and 0.1m 10s secondary swell from a Southeast direction (forecast issued at 02:00am December 02). The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Dec) | 1ft (0.3m) | 5s |
| Afternoon (02 Dec) | 0.5ft (0.1m) | 10s |
| Evening (02 Dec) | 1ft (0.3m) | 5s |
Table - waves today at Kugenuma Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 02 | Wednesday 03 | Thursday 04 | ||||||||||||||||||||||
| 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 | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 6 | 5 | 5 | 10 | 10 | 5 | 3 | 4 | 4 | 8 | 8 | 6 | 9 | 7 | 7 | 6 | 6 | 6 | 5 | 14 | 4 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 67 | 18 | 12 | 5 | 4 | 4 | 4 | 4 | 7 | 10 | 17 | 11 | 11 | 75 | 20 | 159 | 151 | 94 | 46 | 12 | 5 | 4 | 6 | 14 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | off | off | cross- off | glass | glass | cross- off | cross- off | off | off | off | off | glass | off | cross | cross- off | cross- off | off | cross | cross- on | cross- on | glass |
High Tide / height (m) | 3:53AM 1.26 | 2:18PM 1.40 | 4:40AM 1.32 | 2:46PM 1.44 | 5:19AM 1.35 | 3:15PM 1.48 | ||||||||||||||||||
Low Tide / height (m) | 8:52AM 0.92 | 9:35PM 0.21 | 9:30AM 0.99 | 10:08PM 0.11 | 10:02AM 1.03 | |||||||||||||||||||
Tuesday 02 | Wednesday 03 | Thursday 04 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:33 | - | - | - | - |
| Sunset | - | - | - | - | - | 4:29 | - | - | - | - | - | - | - | 4:29 | - | - | - | - | - | - | - | 4:29 | - | - |
 |  |  |  | |  | | | | | | |  | | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - |
| Temp. °C | 16 | 16 | 14 | 14 | 15 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 11 | 8 | 7 | 7 | 7 | 8 | 8 | 10 | 10 |
| Feels °C (?) | 13 | 12 | 10 | 10 | 12 | 15 | 16 | 16 | 14 | 13 | 12 | 12 | 12 | 12 | 13 | 4 | -1 | 0 | 0 | 0 | 3 | 2 | 5 | 7 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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