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Surf Forecasts:
Kugenuma Rivermouth surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Tuesday 05 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
19.4° 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 1PM is: 0.4m 7s primary swell from a South direction and 0.3m 8s secondary swell from a Southwest direction (forecast issued at 08:00am May 05). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | 1.5ft (0.4m) | 8s |
| Afternoon (05 May) | 1.5ft (0.5m) | 7s |
| Evening (05 May) | 1.5ft (0.5m) | 3s |
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 21mm), heaviest during Wed night. Warm (max 20°C on Thu afternoon, min 16°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 5 | Wednesday 6 | Thursday 7 | Fri 8 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 8 | SW 8 | S 7 | S 7 | S 7 | S 3 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | S 7 | SSW 7 | |
73 | 18 | 16 | 23 | 33 | 5 | 9 | 9 | 38 | 20 | 27 | 36 | 35 | 42 | 34 | 36 | 38 | 41 | 32 | 43 | 72 | 67 | 83 | 91 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | on | on | on | on | on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | glassy | off | cross-off | off | off | on | on | on | on | |
High Tide | 5:26AM1.45m | 7:54PM1.22m | 5:59AM1.40m | 8:49PM1.17m | 6:37AM1.31m | 9:58PM1.14m | ||||||||||||||||||
Low Tide | 12:43PM-0.02m | 00:17AM0.93m | 1:25PM0.06m | 00:58AM0.98m | 2:15PM0.17m | 2:06AM1.02m | ||||||||||||||||||
 |  | | | |  | |  |  | | | |  |  | | | | | | | | | | | |
 | 4:47 | — | — | — | — | — | — | 4:46 | — | — | — | — | — | — | — | 4:45 | — | — | — | — | — | — | — | 4:43 |
 | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | 6:32 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 4 | 5 | 2 | 5 | 1 | — | — | — | — | — | |
Temp °C | 14 | 16 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 16 | 17 | 17 | 17 | 17 | 16 | 17 | 20 | 19 | 19 | 18 | 18 |
7 | 13 | 12 | 10 | 10 | 10 | 12 | 13 | 14 | 15 | 14 | 15 | 15 | 16 | 16 | 19 | 14 | 12 | 15 | 21 | 18 | 18 | 16 | 18 | |
Swell 1 Height (m) Direction Period (s) | SSW 8 | S 7 | S 7 | SSW 8 | SW 8 | SSE 7 | SSE 7 | SSE 7 | S 6 | SE 11 | SE 11 | SE 11 | SE 9 | SE 11 | SE 11 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | S 7 | S 7 |
 kJ | 73 | 16 | 16 | 6 | 2 | 5 | 9 | 9 | 18 | 4 | 4 | 4 | 3 | 5 | 5 | 36 | 38 | 41 | 32 | 43 | 72 | 67 | 83 | 80 |
Swell 2 Height (m) Direction Period (s) | SE 11 | SW 8 | SW 8 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | E 9 | E 9 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 |
| kJ | 4 | 18 | 11 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 19 | 18 | 5 | 1 | 1 | 5 | 4 | 4 | 4 | 4 | 5 | 5 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | — | SE 10 | SE 11 | — | SSE 7 | SW 8 | SW 8 | — | SW 7 | SW 7 | SW 7 | SW 6 | — | — | SE 11 | ESE 9 | — | — | SE 11 | — | — | SE 10 | — | SSE 7 |
| kJ | — | 4 | 4 | — | 9 | 2 | 2 | — | 2 | 2 | 2 | 2 | — | — | 5 | 7 | — | — | 19 | — | — | 28 | — | 17 |
Wind waves Height (m) Direction Period (s) | N 3 | N 3 | — | S 7 | S 7 | S 3 | S 3 | S 4 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | — | — | — | — | — | N 3 | — | SSW 7 | SSW 7 |
| kJ | 6 | 2 | — | 23 | 33 | 5 | 3 | 4 | 38 | 20 | 27 | 36 | 35 | 42 | 34 | — | — | — | — | — | 1 | — | 74 | 91 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 19 | 45 | 26 | 64 | 85 | 85 | 140 | 84 | 30 | 64 | 85 | 85 | 30 | 30 | 30 | 30 | 30 | 30 | 2 | 24 | 26 | 7 | 7 | 7 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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