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Surf Forecasts:
Kugenuma Rivermouth surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 pm 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 9PM is: 0.7m 6s primary swell from a South direction and 0.2m 11s secondary swell from a East-southeast direction (forecast issued at 02:00pm May 07). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 May) | - | - |
| Afternoon (07 May) | 1.5ft (0.4m) | 10s |
| Evening (07 May) | 2.5ft (0.7m) | 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). Mainly strong winds. | ||||||||||||||||||||||||
Thu 7 | Friday 8 | Saturday 9 | Sun 10 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ESE 10 | SE 10 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | SSW 6 | SSW 6 | SSW 6 | S 7 | SW 7 | SW 7 | SSW 7 | SSW 8 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | |
43 | 28 | 42 | 36 | 61 | 65 | 50 | 48 | 92 | 122 | 186 | 253 | 218 | 407 | 309 | 62 | 49 | 18 | 18 | 18 | 18 | 18 | 17 | 16 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | on | on | on | cross-on | cross-on | on | on | on | on | on | cross-on | glassy | cross-on | cross-off | off | on | on | cross | cross-off | cross-off | off | off | |
High Tide | 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 | 7:08AM0.84m | ||||||||||||||||||
 | | |  |  | | |  | | |  | | |  | | | | | | | | | | | |
 | — | — | — | — | — | 4:43 | — | — | — | — | — | — | — | 4:43 | — | — | — | — | — | — | — | 4:41 | — | — |
 | — | — | 6:31 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | 6:34 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 20 | 20 | 20 | 20 | 19 | 19 | 21 | 21 | 22 | 21 | 21 | 20 | 18 | 18 | 18 | 21 | 20 | 18 | 18 | 18 | 17 | 16 | 17 |
17 | 18 | 20 | 18 | 19 | 19 | 19 | 20 | 18 | 17 | 17 | 14 | 14 | 17 | 15 | 14 | 17 | 16 | 14 | 15 | 15 | 12 | 11 | 12 | |
Swell 1 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | ESE 11 | ESE 11 | S 6 | S 6 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | SE 11 | SE 11 | SSW 7 | SSW 8 | SSW 7 | SSW 8 | SSW 7 | SE 11 | SE 11 | SSW 6 | SE 11 | SE 10 | SE 10 |
 kJ | 4 | 4 | 4 | 11 | 11 | 65 | 50 | 11 | 11 | 11 | 12 | 5 | 5 | 208 | 151 | 62 | 49 | 16 | 18 | 18 | 8 | 18 | 17 | 16 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | SE 10 | ESE 10 | — | — | ESE 11 | ESE 11 | — | — | — | — | — | — | SE 11 | SE 11 | ESE 11 | SE 11 | SE 11 | S 7 | SSW 6 | SE 11 | SSW 6 | S 6 | S 6 |
| kJ | 43 | 28 | 42 | — | — | 11 | 11 | — | — | — | — | — | — | 5 | 5 | 11 | 18 | 18 | 4 | 8 | 18 | 7 | 3 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 8 | SW 8 | SW 8 | SW 8 | S 7 | S 6 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 2 | 2 | 2 | 1 | 1 | — |
Wind waves Height (m) Direction Period (s) | SSE 6 | S 4 | S 6 | S 6 | S 6 | — | — | S 6 | S 6 | SSW 6 | SSW 6 | SSW 6 | S 7 | SW 7 | SW 7 | — | — | — | S 3 | SSW 3 | — | — | — | — |
| kJ | 22 | 23 | 36 | 36 | 61 | — | — | 48 | 92 | 122 | 186 | 253 | 218 | 407 | 309 | — | — | — | 5 | 2 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 85 | 85 | 484 | 30 | 7 | 4 | 30 | 89 | 499 | 499 | 480 | 480 | 480 | 0 | 9 | 0 | 0 | 45 | 85 | 57 | 128 | 57 | 82 | 57 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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