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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 pm Wednesday 27 May 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
20.0° C
(Which is 2.0°C colder than average for this time of year)How big are the waves at Katahama today?
The current surf forecast for Katahama at 6PM is: 0.9m 9s primary swell from a East-southeast direction and 0.2m 14s secondary swell from a East-southeast direction (forecast issued at 02:00pm May 27). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | - | - |
| Afternoon (27 May) | 3ft (0.9m) | 9s |
| Evening (27 May) | 3ft (0.9m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Wed night. Warm (max 29°C on Fri morning, min 20°C on Wed night). Winds increasing (calm on Wed night, strong winds from the W by Fri afternoon). | ||||||||||||||||||||||||
Wed 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 6 | E 7 | |
177 | 123 | 126 | 126 | 131 | 99 | 99 | 77 | 99 | 116 | 90 | 94 | 75 | 96 | 90 | 67 | 65 | 65 | 47 | 47 | 70 | 74 | 66 | 155 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | glassy | on | cross-on | cross | cross | cross | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-on | |
High Tide | 3:27PM1.27m | 2:48AM1.49m | 4:14PM1.34m | 3:17AM1.52m | 4:54PM1.39m | 3:45AM1.55m | ||||||||||||||||||
Low Tide | 9:07AM0.46m | 8:49PM0.81m | 9:43AM0.34m | 9:33PM0.86m | 10:16AM0.24m | 10:09PM0.90m | ||||||||||||||||||
 | | |  |  | | | | | |  |  | | |  | | | | |  | | | | | |
 | — | — | — | — | — | 4:37 | — | — | — | — | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:35 | — | — |
 | — | — | 6:51 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | 6:52 |
— | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 22 | 21 | 21 | 20 | 20 | 20 | 21 | 22 | 22 | 22 | 22 | 22 | 24 | 23 | 27 | 29 | 29 | 27 | 23 | 22 | 21 | 20 | 22 |
24 | 23 | 22 | 24 | 22 | 22 | 21 | 21 | 22 | 25 | 25 | 23 | 20 | 22 | 21 | 23 | 22 | 22 | 20 | 20 | 20 | 19 | 19 | 21 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 8 | SSW 7 | SSW 7 | ESE 8 | ESE 10 | E 10 | SSW 7 | E 10 | E 10 | E 10 | SW 7 | SW 7 | SSW 7 | SW 7 | E 7 |
 kJ | 122 | 123 | 126 | 126 | 131 | 99 | 99 | 77 | 99 | 116 | 163 | 203 | 75 | 96 | 90 | 77 | 65 | 65 | 47 | 109 | 91 | 59 | 37 | 155 |
Swell 2 Height (m) Direction Period (s) | S 5 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | S 4 | S 5 | SSE 5 | S 5 | SSE 6 | E 8 | ESE 8 | ESE 13 | S 9 | ESE 12 | E 10 | ESE 12 | SE 13 | ESE 12 | E 10 | WNW 6 | W 5 | E 9 | SW 7 |
| kJ | 2 | 19 | 19 | 19 | 18 | 3 | 11 | 19 | 20 | 35 | 90 | 94 | 16 | 2 | 15 | 67 | 15 | 6 | 15 | 47 | 40 | 20 | 64 | 29 |
Swell 3 Height (m) Direction Period (s) | ESE 14 | S 5 | S 5 | S 5 | S 5 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | SW 7 | ESE 13 | ESE 13 | S 9 | S 9 | S 9 | ESE 12 | S 9 | SE 8 | SE 8 | SE 13 | E 10 | E 10 | W 5 | ESE 11 |
| kJ | 19 | 2 | 2 | 2 | 2 | 18 | 18 | 17 | 17 | 34 | 16 | 16 | 2 | 2 | 2 | 15 | 2 | 3 | 3 | 6 | 70 | 74 | 13 | 43 |
Wind waves Height (m) Direction Period (s) | E 9 | — | — | — | — | SSE 4 | — | NE 3 | ENE 3 | — | — | — | SW 7 | SW 7 | SW 7 | WSW 5 | WSW 6 | WSW 6 | WSW 6 | W 6 | ENE 3 | E 4 | E 6 | E 7 |
| kJ | 177 | — | — | — | — | 16 | — | 4 | 4 | — | — | — | 311 | 353 | 322 | 96 | 204 | 256 | 271 | 110 | 3 | 7 | 66 | 247 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 104 | 104 | 65 | 65 | 65 | 13 | 65 | 13 | 13 | 13 | 2 | 65 | 103 | 103 | 65 | 65 | 103 | 115 | 65 | 352 | 103 | 2 | 2 | 13 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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