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Surf Forecasts:
Nagahama surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Wednesday 08 Apr 2026 JSTForecast update in hr min s Forecast update imminent
Nagahama surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nagahama sea temperature is
15.1° C
(Which is 2.6°C colder than average for this time of year)How big are the waves at Nagahama today?
The current surf forecast for Nagahama at 11AM is: 0.5m 8s primary swell from a South direction and 0.2m 10s secondary swell from a South direction (forecast issued at 08:00am April 08). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Apr) | 2ft (0.6m) | 8s |
| Afternoon (08 Apr) | 1.5ft (0.5m) | 8s |
| Evening (08 Apr) | 1.5ft (0.4m) | 8s |
Table - waves today at Nagahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 08 | Thursday 09 | Friday 10 | Sat 11 | |||||||||||||||||||||
| 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 45 | 50 | 31 | 30 | 66 | 21 | 13 | 6 | 6 | 9 | 22 | 46 | 48 | 45 | 37 | 45 | 92 | 146 | 217 | 196 | 278 | 1023 | 745 | 657 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | glass | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on |
High Tide / height (m) | 6:47AM 1.33 | 9:47PM 1.05 | 7:11AM 1.25 | 12:44AM 1.04 | 7:40AM 1.14 | 2:10AM 1.12 | ||||||||||||||||||
Low Tide / height (m) | 2:17PM 0.20 | 1:32AM 0.95 | 3:21PM 0.30 | 2:06AM 1.04 | 4:59PM 0.38 | |||||||||||||||||||
Wednesday 08 | Thursday 09 | Friday 10 | Sat 11 | |||||||||||||||||||||
| Sunrise | 5:20 | - | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:08 | - | - | - |
 | | | | |  | | | | |  |  | |  |  |  |  |  | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 6 | 1 | 1 | 1 | 4 | 2 | - | - | - |
| Temp. °C | 9 | 11 | 12 | 12 | 13 | 13 | 14 | 13 | 13 | 14 | 16 | 16 | 16 | 16 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 18 |
| Feels °C (?) | 0 | 5 | 9 | 7 | 6 | 6 | 9 | 8 | 8 | 8 | 8 | 8 | 9 | 10 | 9 | 8 | 9 | 9 | 8 | 11 | 13 | 13 | 13 | 14 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nagahama surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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