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Surf Forecasts:
Kugenuma Rivermouth surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Thursday 07 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 normal for this time of year)How big are the waves at Kugenuma Rivermouth today?
The current surf forecast for Kugenuma Rivermouth at 3PM is: 0.4m 10s primary swell from a East-southeast direction and 0.1m 11s secondary swell from a Southeast direction, 0.7m 6s secondary swell from a South-southeast direction (forecast issued at 08:00am May 07). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 May) | 1.5ft (0.4m) | 6s |
| Afternoon (07 May) | 2.5ft (0.7m) | 6s |
| Evening (07 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 afternoon, min 16°C on Sat night). Winds decreasing (strong winds from the SW on Fri night, calm by Sat night). | ||||||||||||||||||||||||
Thursday 7 | Friday 8 | Saturday 9 | Sun 10 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSE 6 | SSE 6 | ESE 10 | SSE 6 | SSE 6 | SSE 6 | S 6 | S 6 | S 6 | S 6 | S 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SW 7 | SW 7 | SSW 7 | SSW 7 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | |
13 | 13 | 43 | 42 | 15 | 23 | 76 | 60 | 36 | 35 | 79 | 126 | 198 | 261 | 276 | 466 | 353 | 86 | 27 | 18 | 18 | 18 | 18 | 18 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | cross-on | on | on | on | on | on | cross-on | on | on | on | on | on | cross-on | cross | on | cross-on | cross-off | off | cross-on | glassy | cross-off | cross-off | |
High Tide | 6:37AM1.31m | 9:58PM1.14m | 7:24AM1.19m | 11:23PM1.14m | 8:45AM1.05m | 00:37AM1.17m | ||||||||||||||||||
Low Tide | 2:15PM0.17m | 2:06AM1.02m | 3:20PM0.30m | 5:19AM0.99m | 4:48PM0.43m | |||||||||||||||||||
 |  | | | |  | |  | | |  | | | | | | | | | | | | | | |
 | 4:45 | — | — | — | — | — | — | 4:43 | — | — | — | — | — | — | — | 4:43 | — | — | — | — | — | — | — | 4:41 |
 | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:32 | — | — | 6:34 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 19 | 19 | 20 | 21 | 20 | 19 | 19 | 19 | 20 | 20 | 22 | 21 | 20 | 20 | 18 | 18 | 18 | 19 | 21 | 19 | 19 | 18 | 17 |
18 | 20 | 18 | 19 | 19 | 18 | 17 | 19 | 19 | 19 | 19 | 18 | 16 | 13 | 14 | 16 | 16 | 16 | 16 | 18 | 16 | 17 | 16 | 14 | |
Swell 1 Height (m) Direction Period (s) | SSE 6 | SSE 6 | SE 11 | SE 11 | SSE 6 | SSE 6 | SE 11 | S 6 | S 6 | SE 11 | SE 11 | SE 11 | ESE 11 | SE 11 | SE 11 | SSW 7 | SSW 8 | SSW 7 | SSW 7 | SSW 5 | SSW 4 | SSW 6 | SSW 6 | SE 11 |
 kJ | 13 | 13 | 4 | 4 | 15 | 23 | 4 | 60 | 36 | 18 | 18 | 18 | 12 | 5 | 5 | 222 | 161 | 86 | 27 | 5 | 4 | 8 | 8 | 18 |
Swell 2 Height (m) Direction Period (s) | SE 11 | SE 11 | ESE 10 | ESE 10 | SE 11 | ESE 11 | — | ESE 11 | ESE 11 | — | — | — | — | — | — | ESE 11 | ESE 11 | SE 11 | SE 11 | SW 8 | SE 11 | SE 11 | SE 11 | SSW 6 |
| kJ | 4 | 4 | 43 | 42 | 4 | 11 | — | 11 | 11 | — | — | — | — | — | — | 12 | 11 | 18 | 18 | 10 | 18 | 18 | 18 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 8 | SE 11 | S 7 | SW 8 | SW 8 | SW 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 18 | 4 | 3 | 3 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | SSE 6 | SSE 6 | S 4 | SSW 4 | S 6 | — | SW 6 | S 6 | S 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SW 7 | SW 7 | — | — | — | — | — | NE 2 | ENE 2 |
| kJ | — | — | 22 | 40 | 9 | 17 | 76 | — | 29 | 35 | 79 | 126 | 198 | 261 | 276 | 466 | 353 | — | — | — | — | — | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 26 | 84 | 84 | 84 | 30 | 30 | 7 | 7 | 19 | 88 | 512 | 463 | 480 | 480 | 480 | 2 | 7 | 7 | 8 | 45 | 24 | 45 | 45 | 57 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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