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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 8 am Wednesday 06 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
18.6° C
(Which is 1.5°C colder than average for this time of year)How big are the waves at Katahama today?
The current surf forecast for Katahama at 2PM is: 0.5m 9s primary swell from a East-southeast direction and 0.8m 6s secondary swell from a Southeast direction (forecast issued at 08:00am May 06). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 May) | 1.5ft (0.4m) | 9s |
| Afternoon (06 May) | 2.5ft (0.8m) | 6s |
| Evening (06 May) | 2.5ft (0.8m) | 6s |
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 Fri afternoon. Warm (max 21°C on Fri morning, min 13°C on Fri night). Winds increasing (calm on Wed night, strong winds from the W by Fri night). | ||||||||||||||||||||||||
Wednesday 6 | Thursday 7 | Friday 8 | Sat 9 | |||||||||||||||||||||
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 | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 9 | ESE 9 | ESE 6 | SE 6 | SE 6 | SE 6 | SE 6 | ESE 9 | ESE 9 | ESE 6 | SSE 7 | SE 7 | SSE 7 | SSE 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | ESE 11 | |
35 | 34 | 44 | 48 | 42 | 42 | 33 | 32 | 32 | 36 | 36 | 131 | 105 | 102 | 90 | 90 | 90 | 90 | 133 | 92 | 92 | 73 | 75 | 76 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | cross-on | glassy | cross | cross-off | glassy | glassy | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 6:53AM1.48m | 9:05PM1.32m | 7:35AM1.37m | 10:19PM1.28m | 8:30AM1.23m | 11:48PM1.29m | ||||||||||||||||||
Low Tide | 2:05PM0.17m | 2:17AM0.96m | 2:59PM0.28m | 3:47AM1.00m | 4:06PM0.40m | |||||||||||||||||||
 | | | | |  | | | |  | |  | |  | | | | | | |  |  | | | |
 | 4:52 | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 |
 | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:36 | — | — | 6:37 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | |
Temp °C | 16 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 17 | 18 | 20 | 20 | 20 | 19 | 18 | 18 | 18 | 21 | 21 | 21 | 19 | 18 | 16 | 14 |
13 | 14 | 16 | 16 | 17 | 18 | 16 | 16 | 17 | 18 | 19 | 19 | 19 | 18 | 17 | 18 | 19 | 20 | 18 | 18 | 15 | 13 | 8 | 5 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 6 | SE 6 | SE 6 | SE 6 | SE 6 | ESE 6 | ESE 6 | ESE 6 | SSE 7 | SE 7 | SSE 7 | SSE 7 | SSE 7 | S 6 | S 6 | S 6 | SE 10 | ESE 10 | ESE 10 | ESE 10 | SSW 7 | SW 7 |
 kJ | 35 | 34 | 44 | 42 | 42 | 42 | 33 | 26 | 32 | 36 | 34 | 131 | 105 | 102 | 75 | 52 | 38 | 36 | 106 | 92 | 92 | 73 | 186 | 206 |
Swell 2 Height (m) Direction Period (s) | S 6 | ESE 5 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 6 | — | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | — | — | — | ESE 11 | ESE 11 |
| kJ | 18 | 9 | 34 | 48 | 33 | 32 | 32 | 32 | 31 | 30 | 22 | — | 64 | 65 | 90 | 90 | 90 | 90 | 133 | — | — | — | 75 | 76 |
Swell 3 Height (m) Direction Period (s) | SW 7 | S 6 | WSW 6 | SW 6 | SW 6 | SW 5 | W 7 | S 5 | S 5 | S 5 | ESE 10 | — | — | — | SE 7 | — | — | — | — | — | — | — | — | — |
| kJ | 7 | 10 | 4 | 1 | 1 | 1 | 1 | 5 | 5 | 5 | 36 | — | — | — | 37 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 5 | NE 2 | — | — | — | — | — | — | NNE 2 | — | — | — | — | WSW 3 | — | W 3 | — | — | SSW 6 | S 7 | SSW 6 | SW 7 | W 6 | WNW 6 |
| kJ | 11 | 1 | — | — | — | — | — | — | 1 | — | — | — | — | 1 | — | 1 | — | — | 62 | 107 | 207 | 483 | 232 | 193 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 65 | 13 | 13 | 65 | 6 | 13 | 13 | 13 | 6 | 94 | 6 | 6 | 2 | 2 | 2 | 2 | 94 | 334 | 94 | 334 | 351 | 351 | 103 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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