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Surf Forecasts:
Nagahama surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 pm Sunday 12 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
15.5° C
(Which is 2.5°C colder than average for this time of year)How big are the waves at Nagahama today?
The current surf forecast for Nagahama at 2AM is: 0.3m 11s primary swell from a Southeast direction and 0.5m 6s secondary swell from a South-southeast direction (forecast issued at 08:00pm April 12). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Apr) | 1ft (0.3m) | 11s |
| Afternoon (13 Apr) | 1ft (0.3m) | 11s |
| Evening (13 Apr) | 1ft (0.3m) | 11s |
Table - waves today at Nagahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sun 12 | Monday 13 | Tuesday 14 | Wednesday 15 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 4 | 6 | 6 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 13 | 17 | 17 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 7 | 8 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 31 | 44 | 48 | 50 | 52 | 52 | 73 | 79 | 340 | 255 | 539 | 620 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | on | cross | glass | glass | cross | cross | glass | glass | cross- off | off | off | cross- off | cross- on | cross- off | cross- off | cross- off | off | off | off | glass | cross- on |
High Tide / height (m) | 2:55AM 1.24 | 2:15PM 1.16 | 3:17AM 1.29 | 3:08PM 1.28 | 3:38AM 1.34 | |||||||||||||||||||
Low Tide / height (m) | 7:54PM 0.36 | 8:47AM 0.70 | 8:43PM 0.34 | 9:15AM 0.53 | 9:23PM 0.34 | 9:44AM 0.37 | ||||||||||||||||||
Sun 12 | Monday 13 | Tuesday 14 | Wednesday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:09 | - | - | - |
| Sunset | 6:09 | - | - | - | - | - | - | - | 6:10 | - | - | - | - | - | - | - | 6:12 | - | - | - | - | - | - | - |
 |  | | |  | | | | |  | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 17 | 20 | 19 | 18 | 17 | 16 | 16 | 16 | 17 | 18 | 18 |
| Feels °C (?) | 13 | 15 | 16 | 16 | 16 | 17 | 18 | 17 | 18 | 18 | 18 | 15 | 15 | 15 | 19 | 16 | 15 | 16 | 15 | 15 | 15 | 16 | 18 | 16 |
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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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