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Surf Forecasts:
Kugenuma Rivermouth surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 pm Sunday 05 Apr 2026 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
16.0° C
(Which is 1.5°C colder than average for this time of year)How big are the waves at Kugenuma Rivermouth today?
The current surf forecast for Kugenuma Rivermouth at 3AM is: 1.2m 8s primary swell from a South direction and 0.4m 9s secondary swell from a South-southwest direction (forecast issued at 08:00pm April 05). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Apr) | 2.5ft (0.8m) | 8s |
| Afternoon (06 Apr) | 2.5ft (0.8m) | 7s |
| Evening (06 Apr) | 3ft (0.9m) | 4s |
Table - waves today at Kugenuma Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sun 05 | Monday 06 | Tuesday 07 | Wednesday 08 | |||||||||||||||||||||
| 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) (?) | 10 | 8 | 10 | 8 | 9 | 8 | 8 | 7 | 7 | 4 | 4 | 5 | 5 | 4 | 5 | 7 | 5 | 9 | 8 | 8 | 9 | 9 | 8 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 327 | 266 | 373 | 182 | 84 | 64 | 39 | 68 | 82 | 25 | 34 | 33 | 24 | 20 | 17 | 12 | 12 | 82 | 136 | 53 | 47 | 26 | 18 | 40 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross | off | off | cross- off | cross | on | on | cross- on | on | cross- on | cross- on | on | cross- on | cross- on | off | off | off | off | off | glass | cross- on | on |
High Tide / height (m) | 7:06PM 1.25 | 6:03AM 1.44 | 7:53PM 1.17 | 6:30AM 1.40 | 8:52PM 1.08 | 6:59AM 1.33 | ||||||||||||||||||
Low Tide / height (m) | 12:09AM 0.71 | 1:01PM 0.04 | 12:31AM 0.80 | 1:44PM 0.10 | 12:52AM 0.89 | 2:38PM 0.20 | ||||||||||||||||||
Sun 05 | Monday 06 | Tuesday 07 | Wednesday 08 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - | - | - |
| Sunset | 6:05 | - | - | - | - | - | - | - | 6:06 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - |
 |  | |  |  |  | | | | | | | |  | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 3 | 2 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 18 | 17 | 17 | 15 | 16 | 18 | 18 | 19 | 18 | 17 | 17 | 17 | 14 | 14 | 16 | 12 | 11 | 11 | 10 | 10 | 11 | 13 | 14 |
| Feels °C (?) | 16 | 15 | 16 | 16 | 13 | 15 | 17 | 16 | 15 | 15 | 14 | 14 | 14 | 8 | 10 | 13 | 4 | 3 | 3 | 3 | 5 | 9 | 8 | 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)
FREE! Surf-Forecast.com widget for your website
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