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Surf Forecasts:
Kugenuma Rivermouth surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 am Tuesday 26 May 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
20.1° C
(Which is 1.2°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 7AM is: 0.4m 8s primary swell from a Southeast direction and 0.3m 7s secondary swell from a South direction (forecast issued at 02:00am May 26). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 May) | 1.5ft (0.4m) | 8s |
| Afternoon (26 May) | 1.5ft (0.4m) | 8s |
| Evening (26 May) | 1.5ft (0.4m) | 8s |
Table - waves today at Kugenuma Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Warm (max 25°C on Wed morning, min 20°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 26 | Wednesday 27 | Thursday 28 | ||||||||||||||||||||||
12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 10 | SE 10 | ESE 9 | S 4 | S 5 | S 6 | |
28 | 20 | 20 | 20 | 20 | 21 | 16 | 21 | 15 | 9 | 9 | 14 | 14 | 15 | 16 | 10 | 10 | 9 | 15 | 14 | 8 | 8 | 29 | 75 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | cross-off | cross-off | glassy | cross-on | cross-on | cross-off | glassy | cross-off | off | off | cross-off | cross-on | on | on | on | on | on | on | on | on | on | on | |
High Tide | 00:53AM1.24m | 1:58PM1.04m | 1:31AM1.27m | 3:11PM1.13m | 2:02AM1.31m | 4:04PM1.21m | ||||||||||||||||||
Low Tide | 7:53AM0.55m | 7:28PM0.71m | 8:34AM0.39m | 8:22PM0.79m | 9:11AM0.25m | |||||||||||||||||||
 |  |  | | |  | | | | |  | | | | |  | | | | | |  | | | |
 | — | 4:31 | — | — | — | — | — | — | — | 4:31 | — | — | — | — | — | — | — | 4:30 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:47 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | |
Temp °C | 20 | 19 | 19 | 21 | 23 | 24 | 24 | 22 | 21 | 21 | 21 | 22 | 25 | 25 | 24 | 23 | 22 | 20 | 20 | 20 | 21 | 21 | 21 | 21 |
22 | 20 | 20 | 22 | 24 | 24 | 23 | 23 | 23 | 21 | 21 | 22 | 25 | 26 | 25 | 24 | 22 | 18 | 19 | 20 | 22 | 22 | 22 | 21 | |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 10 | SE 10 | ESE 9 | ESE 9 | SE 10 | SE 10 |
 kJ | 28 | 20 | 20 | 20 | 20 | 21 | 16 | 21 | 15 | 9 | 9 | 14 | 14 | 15 | 16 | 10 | 10 | 9 | 15 | 14 | 8 | 8 | 4 | 4 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | S 7 | S 7 | S 7 | S 7 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | SE 10 | SE 10 | S 6 | E 14 | SE 10 | SE 10 | SE 10 | E 13 | E 13 | SE 10 | S 9 | E 13 | SE 12 |
| kJ | 9 | 8 | 8 | 8 | 4 | 3 | 7 | 3 | 3 | 1 | 1 | 4 | 4 | 1 | 4 | 4 | 4 | 4 | 3 | 3 | 4 | 2 | 3 | 6 |
Swell 3 Height (m) Direction Period (s) | SSW 7 | — | E 15 | E 15 | S 10 | S 10 | S 11 | SE 11 | SE 11 | SE 11 | SE 11 | S 6 | S 6 | SE 14 | S 10 | E 14 | E 13 | E 13 | SE 10 | SE 10 | E 13 | E 13 | E 8 | S 10 |
| kJ | 5 | — | 4 | 4 | 2 | 2 | 2 | 5 | 5 | 4 | 4 | 1 | 1 | 7 | 2 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 1 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 3 | SSW 3 | SSW 3 | S 3 | S 4 | S 5 | S 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 4 | 2 | 8 | 29 | 75 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 30 | 30 | 30 | 24 | 24 | 24 | 45 | 30 | 57 | 24 | 24 | 57 | 24 | 24 | 64 | 30 | 30 | 89 | 85 | 64 | 85 | 85 | 89 | 7 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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