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Surf Forecasts:
Kugenuma Rivermouth surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 pm Sunday 24 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
20.2° C
(Which is 1.1°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 5AM is: 0.7m 7s primary swell from a Southeast direction and 0.1m 11s secondary swell from a East direction (forecast issued at 08:00pm May 24). The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 2ft (0.6m) | 7s |
| Afternoon (25 May) | 2ft (0.6m) | 7s |
| Evening (25 May) | 1.5ft (0.5m) | 8s |
Table - waves today at Kugenuma Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Sun night. Warm (max 23°C on Mon morning, min 19°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 24 | Monday 25 | Tuesday 26 | Wednesday 27 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
SSE 7 | SSE 7 | SSE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SSE 7 | SSE 7 | SE 8 | SE 8 | SSE 7 | SE 8 | SE 8 | SSE 7 | SE 8 | SSE 7 | SSE 7 | SE 7 | SE 7 | SSE 6 | SE 6 | SSE 6 | SSE 6 | |
40 | 41 | 43 | 54 | 56 | 44 | 44 | 37 | 37 | 28 | 20 | 17 | 16 | 16 | 15 | 10 | 17 | 29 | 21 | 21 | 16 | 20 | 26 | 26 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-off | cross-off | off | off | cross-off | cross-off | cross-on | on | cross-on | glassy | glassy | cross-off | cross-off | cross-on | on | cross-on | cross-on | glassy | glassy | off | cross-off | off | cross-off | |
High Tide | 00:07AM1.22m | 12:06PM0.97m | 00:53AM1.24m | 1:58PM1.04m | 1:31AM1.27m | |||||||||||||||||||
Low Tide | 4:56PM0.52m | 7:02AM0.72m | 6:19PM0.63m | 7:53AM0.55m | 7:28PM0.71m | 8:34AM0.39m | ||||||||||||||||||
 |  | |  |  | | | | |  | | |  | | | | |  | | | | |  | | |
 | — | — | — | 4:31 | — | — | — | — | — | — | — | 4:31 | — | — | — | — | — | — | — | 4:31 | — | — | — | — |
 | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | 6:46 |
— | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | |
Temp °C | 20 | 20 | 19 | 19 | 19 | 21 | 23 | 23 | 22 | 21 | 20 | 19 | 19 | 21 | 22 | 23 | 22 | 21 | 21 | 20 | 20 | 21 | 21 | 22 |
20 | 21 | 20 | 19 | 19 | 20 | 23 | 22 | 22 | 22 | 22 | 20 | 20 | 21 | 22 | 23 | 22 | 22 | 24 | 22 | 21 | 21 | 22 | 23 | |
Swell 1 Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SSE 7 | SSE 7 | SE 8 | SE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | S 6 | SSE 7 | SSE 7 | SE 7 | SE 7 | SSE 6 | SE 6 | SSE 6 | SSE 6 |
 kJ | 40 | 41 | 43 | 54 | 56 | 44 | 44 | 37 | 37 | 28 | 20 | 17 | 16 | 16 | 15 | 7 | 17 | 29 | 21 | 21 | 16 | 20 | 26 | 26 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | S 9 | SSW 9 | SSW 8 | SSW 8 | SSE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | S 11 | S 11 | S 11 | ESE 7 | SE 10 | SE 10 | S 10 |
| kJ | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 8 | 7 | 11 | 9 | 14 | 14 | 15 | 9 | 10 | 9 | 2 | 2 | 2 | 5 | 4 | 4 | 2 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 11 | E 8 | SE 11 | SE 11 | E 12 | SE 11 | E 13 | E 16 | S 7 | SSW 8 | — | E 15 | E 15 | S 10 | SE 7 | S 11 | E 15 | E 15 | E 14 | SE 11 | E 14 | E 14 | E 14 |
| kJ | 8 | 9 | 6 | 5 | 5 | 3 | 5 | 3 | 5 | 1 | 6 | — | 4 | 4 | 2 | 7 | 2 | 4 | 4 | 4 | 5 | 4 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 2 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 0 | 0 | 24 | 7 | 26 | 45 | 30 | 30 | 30 | 30 | 45 | 24 | 24 | 30 | 30 | 24 | 30 | 30 | 57 | 24 | 30 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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