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Surf Forecasts:
Kugenuma Rivermouth surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 pm 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
19.5° 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 8PM is: 0.2m 7s primary swell from a South-southeast direction and 0.1m 10s secondary swell from a Southeast direction, 0.4m 3s secondary swell from a South direction (forecast issued at 02:00pm May 05). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | - | - |
| Afternoon (05 May) | 1.5ft (0.5m) | 7s |
| Evening (05 May) | 0.5ft (0.2m) | 7s |
Table - waves today at Kugenuma Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Wed night. Warm (max 22°C on Fri morning, min 16°C on Tue afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Tue 5 | Wednesday 6 | Thursday 7 | Fri 8 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 7 | S 7 | S 7 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | SSE 6 | SE 9 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | S 7 | S 7 | S 7 | |
16 | 23 | 33 | 5 | 9 | 8 | 38 | 44 | 21 | 28 | 27 | 34 | 34 | 27 | 26 | 29 | 29 | 28 | 33 | 43 | 36 | 44 | 57 | 56 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | cross-on | on | cross-on | on | on | on | on | on | on | cross-on | glassy | cross-off | off | off | cross-off | glassy | on | on | cross-on | cross-on | cross-on | on | |
High Tide | 7:54PM1.22m | 5:59AM1.40m | 8:49PM1.17m | 6:37AM1.31m | 9:58PM1.14m | 7:24AM1.19m | ||||||||||||||||||
Low Tide | 12:43PM-0.02m | 00:17AM0.93m | 1:25PM0.06m | 00:58AM0.98m | 2:15PM0.17m | 2:06AM1.02m | ||||||||||||||||||
 | | |  |  |  |  |  | | | |  | | |  | | | | | | | | | | |
 | — | — | — | — | — | 4:46 | — | — | — | — | — | — | — | 4:45 | — | — | — | — | — | — | — | 4:43 | — | — |
 | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | 6:32 |
— | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | |
Temp °C | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 19 |
13 | 10 | 10 | 11 | 12 | 13 | 14 | 16 | 15 | 15 | 16 | 18 | 19 | 17 | 16 | 15 | 16 | 18 | 17 | 18 | 18 | 18 | 18 | 18 | |
Swell 1 Height (m) Direction Period (s) | S 7 | SSW 8 | SW 8 | SSE 7 | SSE 7 | SSE 6 | S 6 | SSE 6 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | S 7 | S 7 | S 7 |
 kJ | 16 | 6 | 2 | 5 | 9 | 8 | 18 | 20 | 4 | 4 | 4 | 5 | 5 | 27 | 26 | 29 | 29 | 28 | 33 | 43 | 36 | 44 | 57 | 56 |
Swell 2 Height (m) Direction Period (s) | SW 8 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 9 | SE 11 | SE 9 | SE 8 | E 9 | SE 11 | SE 11 | SE 11 | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 |
| kJ | 11 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 21 | 18 | 3 | 3 | 1 | 5 | 5 | 5 | 4 | 4 | 4 | 5 | 4 | 4 | 4 | 5 |
Swell 3 Height (m) Direction Period (s) | SE 11 | — | SSE 7 | SW 8 | SW 8 | — | SE 11 | SW 7 | SE 11 | — | SW 6 | W 6 | SE 11 | — | — | — | — | — | — | — | SE 10 | — | — | — |
| kJ | 4 | — | 9 | 2 | 2 | — | 19 | 2 | 19 | — | 2 | 1 | 5 | — | — | — | — | — | — | — | 28 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | S 7 | S 7 | S 3 | S 3 | SSE 4 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | — | — | — | — | — | S 3 | — | — | — | — | — |
| kJ | — | 23 | 33 | 3 | 3 | 6 | 38 | 44 | 20 | 28 | 27 | 34 | 34 | — | — | — | — | — | 1 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 64 | 508 | 85 | 85 | 30 | 7 | 7 | 64 | 64 | 545 | 30 | 26 | 24 | 24 | 30 | 24 | 24 | 26 | 30 | 4 | 30 | 30 | 222 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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