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Surf Forecasts:
Kugenuma Rivermouth surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 am Thursday 19 Feb 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
16.1° 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 7AM is: 0.1m 8s primary swell from a Southwest direction and 0.2m 5s secondary swell from a South-southwest direction (forecast issued at 02:00am February 19). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Feb) | 0.5ft (0.2m) | 5s |
| Afternoon (19 Feb) | 0.5ft (0.2m) | 12s |
| Evening (19 Feb) | 0.5ft (0.2m) | 12s |
Table - waves today at Kugenuma Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 19 | Friday 20 | Saturday 21 | ||||||||||||||||||||||
| 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) (?) | 9 | 5 | 5 | 5 | 5 | 12 | 6 | 12 | 12 | 7 | 9 | 9 | 9 | 4 | 4 | - | 5 | - | 4 | 12 | 4 | - | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 28 | 7 | 3 | 3 | 3 | 11 | 1 | 11 | 11 | 2 | 3 | 3 | 3 | 1 | 1 | 0 | 1 | 0 | 1 | 3 | 1 | 0 | 3 | 3 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | on | cross- on | cross- on | cross- on | cross | cross- off | off | off | off | off | cross- off | glass | glass | cross- off | off | off | off | off | glass | glass | cross- on |
High Tide / height (m) | 6:19AM 1.36 | 6:12PM 1.37 | 6:40AM 1.39 | 6:54PM 1.31 | 7:04AM 1.40 | 7:39PM 1.21 | ||||||||||||||||||
Low Tide / height (m) | 11:58PM 0.19 | 12:14PM 0.43 | 12:23AM 0.28 | 12:47PM 0.35 | 12:48AM 0.39 | 1:25PM 0.30 | ||||||||||||||||||
Thursday 19 | Friday 20 | Saturday 21 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:22 | - | - | - | - |
| Sunset | - | - | - | - | - | 5:27 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:29 | - | - |
 | | |  | | | |  |  | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 7 | 4 | 4 | 6 | 7 | 8 | 8 | 8 | 8 | 5 | 5 | 5 | 7 | 8 | 9 | 9 | 9 | 7 | 7 | 8 | 11 | 12 | 12 | 12 |
| Feels °C (?) | -4 | -5 | -1 | 2 | 2 | 3 | 4 | 4 | 4 | 0 | -1 | -1 | 3 | 4 | 6 | 6 | 5 | 2 | 2 | 3 | 7 | 9 | 10 | 9 |
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