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Surf Forecasts:
Kugenuma Rivermouth surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Monday 23 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
16.2° 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 11AM is: 1.7m 7s primary swell from a South-southwest direction and 0.2m 9s secondary swell from a East-southeast direction, 0.1m 12s secondary swell from a East direction (forecast issued at 08:00am February 23). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Feb) | 5.5ft (1.7m) | 7s |
| Afternoon (23 Feb) | 5ft (1.6m) | 7s |
| Evening (23 Feb) | 3ft (0.9m) | 6s |
Table - waves today at Kugenuma Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 23 | Tuesday 24 | Wednesday 25 | Thu 26 | |||||||||||||||||||||
| 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 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 7 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 6 | 6 | 7 | 7 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 237 | 247 | 276 | 220 | 179 | 60 | 33 | 8 | 9 | 4 | 5 | 4 | 2 | 2 | 2 | 5 | 9 | 125 | 60 | 42 | 79 | 115 | 118 | 83 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | off | off | off | cross- off | off | cross- off | on | on | on | on | cross- on | cross- on | on | cross | off | off | off | off | off |
High Tide / height (m) | 7:57AM 1.36 | 9:44PM 0.97 | 8:26AM 1.31 | 8:58AM 1.23 | ||||||||||||||||||||
Low Tide / height (m) | 3:05PM 0.31 | 1:41AM 0.81 | 4:24PM 0.34 | 6:15PM 0.33 | ||||||||||||||||||||
Monday 23 | Tuesday 24 | Wednesday 25 | Thu 26 | |||||||||||||||||||||
| Sunrise | - | 6:20 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - |
| Sunset | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:31 | - | - | - | - |
 |  |  | |  | |  |  | |  |  | | | | | | | |  |  | | | | | |
Rain (mm) | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 6 | 20 | 5 | 1 | 4 | 1 |
| Temp. °C | 15 | 16 | 17 | 19 | 19 | 13 | 11 | 10 | 10 | 10 | 12 | 13 | 12 | 13 | 14 | 14 | 14 | 15 | 13 | 10 | 10 | 9 | 8 | 7 |
| Feels °C (?) | 9 | 11 | 13 | 15 | 16 | 7 | 6 | 5 | 6 | 7 | 10 | 11 | 9 | 12 | 13 | 13 | 12 | 12 | 12 | 4 | 3 | 2 | 0 | -2 |
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