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Surf Forecasts:
Nagahama surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 pm Monday 30 Mar 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
14.9° C
(Which is 2.4°C colder than average for this time of year)How big are the waves at Nagahama today?
The current surf forecast for Nagahama at 3AM is: 1.1m 5s primary swell from a South-southwest direction and 0.1m 11s secondary swell from a South direction, 0.1m 11s secondary swell from a Southeast direction (forecast issued at 08:00pm March 30). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Mar) | 4ft (1.2m) | 5s |
| Afternoon (31 Mar) | 10ft (3.0m) | 8s |
| Evening (31 Mar) | 10ft (3.0m) | 10s |
Table - waves today at Nagahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Mon 30 | Tuesday 31 | Wednesday 01 | Thursday 02 | |||||||||||||||||||||
| 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 | 4 | 5 | 5 | 5 | 5 | 6 | 8 | 9 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 17 | 28 | 40 | 55 | 67 | 78 | 207 | 988 | 2139 | 1941 | 2339 | 776 | 535 | 264 | 96 | 137 | 85 | 75 | 58 | 43 | 29 | 27 | 51 | 97 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | on | cross- on | on | on | on | on | off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off |
High Tide / height (m) | 3:55AM 1.32 | 3:36PM 1.34 | 4:15AM 1.36 | 4:17PM 1.42 | 4:35AM 1.39 | |||||||||||||||||||
Low Tide / height (m) | 9:22PM 0.23 | 9:45AM 0.52 | 9:57PM 0.23 | 10:13AM 0.37 | 10:30PM 0.27 | 10:42AM 0.24 | ||||||||||||||||||
Mon 30 | Tuesday 31 | Wednesday 01 | Thursday 02 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - |
| Sunset | 6:00 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - |
 |  | | | |  |  |  | |  |  | |  | | | | |  |  | | | | | | |
Rain (mm) | - | - | - | - | - | 2 | 6 | 13 | 3 | 1 | - | - | - | - | - | 2 | 9 | 9 | 5 | 2 | 1 | - | 1 | - |
| Temp. °C | 18 | 17 | 17 | 17 | 17 | 15 | 15 | 17 | 18 | 18 | 17 | 17 | 15 | 15 | 14 | 13 | 11 | 11 | 10 | 11 | 10 | 11 | 11 | 11 |
| Feels °C (?) | 12 | 12 | 11 | 11 | 11 | 7 | 7 | 6 | 7 | 11 | 15 | 14 | 9 | 11 | 10 | 8 | 6 | 3 | 2 | 3 | 1 | 3 | 6 | 6 |
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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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