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Surf Forecasts:
Kugenuma Rivermouth surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 am Wednesday 06 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
19.5° 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 9AM is: 0.7m 6s primary swell from a South-southeast direction and 0.4m 6s secondary swell from a South-southeast direction, 0.1m 11s secondary swell from a Southeast direction (forecast issued at 02:00am May 06). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 May) | 2.5ft (0.7m) | 6s |
| Afternoon (06 May) | 1.5ft (0.4m) | 9s |
| Evening (06 May) | 1.5ft (0.5m) | 6s |
Table - waves today at Kugenuma Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 22°C on Fri morning, min 17°C on Wed morning). Winds increasing (calm on Wed night, strong winds from the SW by Fri night). | ||||||||||||||||||||||||
Wednesday 6 | Thursday 7 | Friday 8 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSE 7 | SSE 7 | SSE 6 | SSE 6 | SE 9 | SE 9 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | S 7 | S 7 | S 7 | S 7 | S 7 | SSW 6 | SSW 6 | SSW 6 | |
9 | 9 | 25 | 29 | 20 | 20 | 19 | 19 | 18 | 13 | 15 | 19 | 17 | 41 | 62 | 35 | 48 | 47 | 44 | 89 | 72 | 126 | 182 | 253 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | cross-on | cross-on | on | on | cross-on | glassy | off | cross-on | on | on | on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | |
High Tide | 5:59AM1.40m | 8:49PM1.17m | 6:37AM1.31m | 9:58PM1.14m | 7:24AM1.19m | |||||||||||||||||||
Low Tide | 00:17AM0.93m | 1:25PM0.06m | 00:58AM0.98m | 2:15PM0.17m | 2:06AM1.02m | 3:20PM0.30m | ||||||||||||||||||
 |  |  |  | | | | | | | | | | | |  | | | | | | | | | |
 | — | 4:46 | — | — | — | — | — | — | — | 4:45 | — | — | — | — | — | — | — | 4:43 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:32 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 17 | 16 | 17 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 19 | 20 | 20 | 19 | 20 | 19 | 19 | 19 | 20 | 22 | 22 | 21 | 20 |
13 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 18 | 19 | 18 | 17 | 19 | 18 | 19 | 19 | 19 | 20 | 17 | 14 | 12 | |
Swell 1 Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 6 | SSE 6 | SE 11 | SE 11 | SE 11 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 6 | SSE 6 | SSE 7 | SE 11 | SSE 7 | S 7 | S 7 | S 7 | S 7 | ESE 11 | ESE 11 | ESE 11 | ESE 11 |
 kJ | 9 | 9 | 13 | 12 | 4 | 4 | 4 | 19 | 18 | 13 | 15 | 19 | 17 | 41 | 4 | 35 | 48 | 47 | 44 | 43 | 11 | 12 | 12 | 12 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 11 | SE 11 | SE 11 | SE 9 | SE 9 | SE 8 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 11 | ESE 11 | ESE 11 | ESE 11 | — | — | — | — |
| kJ | 4 | 4 | 4 | 4 | 20 | 20 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 27 | 4 | 4 | 11 | 11 | 11 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SW 8 | — | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 8 | SE 9 | SE 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | — | 19 | 5 | 18 | 18 | 5 | 3 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 3 | S 3 | SSE 6 | SSE 6 | S 6 | SSE 6 | SSE 6 | — | — | — | — | — | — | S 2 | SSE 7 | S 4 | S 4 | SSW 4 | — | S 7 | S 7 | SSW 6 | SSW 6 | SSW 6 |
| kJ | 3 | 2 | 25 | 29 | 17 | 19 | 19 | — | — | — | — | — | — | 1 | 62 | 7 | 8 | 6 | — | 89 | 72 | 126 | 182 | 253 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 88 | 140 | 30 | 85 | 85 | 88 | 88 | 84 | 84 | 26 | 24 | 24 | 26 | 84 | 85 | 30 | 30 | 30 | 30 | 7 | 463 | 222 | 463 | 480 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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