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Surf Forecasts:
Nagahama surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Friday 17 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
16.2° C
(Which is 2.0°C colder than average for this time of year)How big are the waves at Nagahama today?
The current surf forecast for Nagahama at 12PM is: 1.2m 15s primary swell from a South-southeast direction (forecast issued at 08:00am April 17). An open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Apr) | 4ft (1.2m) | 15s |
| Afternoon (17 Apr) | 4ft (1.2m) | 14s |
| Evening (17 Apr) | 4.5ft (1.4m) | 16s |
Table - waves today at Nagahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| 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) (?) | 15 | 15 | 15 | 14 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 637 | 653 | 619 | 565 | 491 | 1036 | 1165 | 1255 | 1239 | 1224 | 1068 | 1041 | 845 | 833 | 869 | 857 | 924 | 924 | 1038 | 1132 | 1147 | 1222 | 1059 | 1031 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | glass | cross | cross- off | glass | glass | glass | glass | cross- on | cross- on | cross- on | cross | glass | glass | off | off | off | cross | cross- off | glass | off | cross- off |
High Tide / height (m) | 4:21AM 1.41 | 5:11PM 1.45 | 4:43AM 1.44 | 5:49PM 1.44 | 5:06AM 1.45 | 6:29PM 1.39 | ||||||||||||||||||
Low Tide / height (m) | 10:44AM 0.11 | 10:58PM 0.49 | 11:15AM 0.03 | 11:26PM 0.58 | 11:48AM -0.01 | 11:54PM 0.68 | ||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| Sunrise | 5:07 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - |
 | |  | | |  | | | | |  | | |  |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 11 | 13 | 15 | 14 | 13 | 13 | 13 | 14 | 14 | 15 | 16 | 17 | 17 | 16 | 16 | 16 | 17 | 19 | 20 | 18 | 16 | 16 | 16 |
| Feels °C (?) | 2 | 5 | 9 | 12 | 12 | 11 | 12 | 12 | 14 | 13 | 13 | 13 | 15 | 17 | 16 | 16 | 15 | 15 | 17 | 18 | 16 | 16 | 15 | 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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