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Surf Forecasts:
Kugenuma Rivermouth surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 pm Sunday 26 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
19.4° C
(Which is slightly warmer than usual)How big are the waves at Kugenuma Rivermouth today?
The current surf forecast for Kugenuma Rivermouth at 10PM is: 0.4m 6s primary swell from a South-southeast direction and 0.1m 13s secondary swell from a East direction (forecast issued at 02:00pm April 26). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Apr) | - | - |
| Afternoon (26 Apr) | 1.5ft (0.4m) | 6s |
| Evening (26 Apr) | 1.5ft (0.4m) | 6s |
Table - waves today at Kugenuma Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 39mm), heaviest during Sun night. Warm (max 21°C on Wed morning, min 15°C on Sun night). Mainly strong winds. | ||||||||||||||||||||||||
Sun 26 | Monday 27 | Tuesday 28 | Wed 29 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 6 | SSE 6 | SSE 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 3 | S 4 | SSW 4 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | |
9 | 9 | 14 | 14 | 14 | 15 | 15 | 19 | 36 | 47 | 45 | 45 | 34 | 37 | 24 | 23 | 11 | 18 | 22 | 37 | 61 | 74 | 77 | 72 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | cross | cross-off | off | off | cross-off | cross | glassy | glassy | glassy | cross-on | on | on | on | cross-on | on | on | cross-on | cross-on | cross-on | cross | glassy | |
High Tide | 12:35PM0.97m | 2:26AM1.21m | 2:13PM1.06m | 2:48AM1.25m | 3:12PM1.16m | 3:08AM1.28m | ||||||||||||||||||
Low Tide | 7:29PM0.45m | 8:41AM0.64m | 8:25PM0.48m | 9:10AM0.48m | 9:07PM0.53m | |||||||||||||||||||
 |  |  |  | |  |  | |  | | |  |  | | | | | | | | | | | | |
 | — | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — |
 | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | 6:24 |
— | — | — | — | — | 4 | 17 | 15 | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 18 | 18 | 17 | 17 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 18 | 19 | 20 | 18 | 18 | 18 | 17 | 19 |
15 | 16 | 16 | 17 | 16 | 12 | 8 | 10 | 15 | 17 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 16 | 15 | 15 | 16 | 16 | 19 | |
Swell 1 Height (m) Direction Period (s) | SE 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 6 | SSE 6 | SSE 7 | S 7 | S 7 | S 7 | S 7 | S 7 | SE 7 | SE 7 | SE 7 | SSE 7 | SSE 7 | SSE 7 | — | S 13 | S 13 |
 kJ | 9 | 9 | 14 | 14 | 14 | 15 | 15 | 19 | 36 | 47 | 45 | 45 | 34 | 37 | 24 | 2 | 2 | 2 | 5 | 5 | 5 | — | 3 | 3 |
Swell 2 Height (m) Direction Period (s) | S 7 | S 7 | E 13 | E 13 | SE 13 | — | — | — | — | — | S 16 | — | ESE 8 | SE 7 | SE 8 | — | E 12 | S 14 | — | — | — | — | SE 11 | SE 11 |
| kJ | 1 | 1 | 3 | 3 | 7 | — | — | — | — | — | 5 | — | 6 | 2 | 2 | — | 3 | 4 | — | — | — | — | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | SE 11 | S 6 | S 6 | — | — | S 16 | — | — | — | S 16 | — | — | — | — | S 14 | — | — | SE 12 | SE 11 | S 13 | S 13 | S 13 |
| kJ | — | — | 5 | 1 | 1 | — | — | 5 | — | — | — | 5 | — | — | — | — | 4 | — | — | 5 | 5 | 4 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | NNE 3 | N 3 | NNW 3 | N 3 | NNE 3 | NNE 3 | — | — | — | S 7 | S 3 | S 4 | SSW 4 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 |
| kJ | — | — | — | — | — | — | 2 | 5 | 2 | 1 | 1 | 1 | — | — | — | 23 | 11 | 18 | 22 | 37 | 61 | 74 | 77 | 72 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 798 | 788 | 30 | 30 | 30 | 480 | 64 | 30 | 24 | 24 | 2 | 2 | 45 | 57 | 84 | 85 | 85 | 85 | 85 | 795 | 222 | 222 | 2 | 0 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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