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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 8 pm Friday 27 Mar 2026 JSTForecast update in hr min s Forecast update imminent
Katahama surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Katahama sea temperature is
15.1° C
(Which is 2.7°C colder than average for this time of year)How big are the waves at Katahama today?
The current surf forecast for Katahama at 3AM is: 1.2m 9s primary swell from a East direction (forecast issued at 08:00pm March 27). An open ocean swell of 0.1m 7s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Mar) | 3.5ft (1.1m) | 10s |
| Afternoon (28 Mar) | 3.5ft (1.0m) | 10s |
| Evening (28 Mar) | 3ft (0.9m) | 10s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Fri 27 | Saturday 28 | Sunday 29 | Monday 30 | |||||||||||||||||||||
| 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) (?) | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 289 | 283 | 235 | 240 | 212 | 216 | 186 | 186 | 151 | 151 | 117 | 110 | 83 | 83 | 89 | 65 | 85 | 60 | 41 | 41 | 40 | 40 | 43 | 47 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | glass | off | cross- off | glass | cross- on | cross- on | cross- on | glass | cross- off | cross- off | cross- off | glass | on | cross- on | cross- on | glass | cross- off | glass | glass | glass | cross | cross- off |
High Tide / height (m) | 3:16AM 1.27 | 1:59PM 1.11 | 3:45AM 1.34 | 3:04PM 1.21 | 4:08AM 1.39 | |||||||||||||||||||
Low Tide / height (m) | 7:39PM 0.41 | 9:15AM 0.87 | 8:49PM 0.36 | 9:50AM 0.73 | 9:36PM 0.34 | 10:17AM 0.60 | ||||||||||||||||||
Fri 27 | Saturday 28 | Sunday 29 | Monday 30 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:41 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:37 | - | - | - |
| Sunset | 6:02 | - | - | - | - | - | - | - | 6:04 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - |
 |  | | | | |  | |  | | | | | | | | |  | |  |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | 1 | 1 |
| Temp. °C | 14 | 14 | 13 | 12 | 11 | 13 | 15 | 15 | 15 | 14 | 13 | 12 | 12 | 14 | 16 | 16 | 16 | 16 | 15 | 14 | 14 | 15 | 17 | 18 |
| Feels °C (?) | 11 | 12 | 12 | 11 | 9 | 12 | 13 | 12 | 14 | 14 | 12 | 10 | 10 | 13 | 14 | 13 | 15 | 16 | 14 | 13 | 13 | 15 | 15 | 15 |
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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 Katahama 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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