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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 8 pm Thursday 30 Apr 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
17.8° C
(Which is 1.9°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: 1.7m 7s primary swell from a East-southeast direction (forecast issued at 08:00pm April 30). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 May) | 7ft (2.1m) | 8s |
| Afternoon (01 May) | 3.5ft (1.1m) | 8s |
| Evening (01 May) | 3.5ft (1.1m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 46mm), heaviest during Fri morning. Warm (max 24°C on Sat afternoon, min 13°C on Fri night). Winds decreasing (strong winds from the W on Fri night, calm by Sat night). | ||||||||||||||||||||||||
Thu 30 | Friday 1 | Saturday 2 | Sunday 3 | |||||||||||||||||||||
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 | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
E 7 | E 6 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 10 | SE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 10 | ESE 10 | ESE 10 | ESE 9 | |
339 | 291 | 269 | 263 | 444 | 480 | 214 | 173 | 237 | 172 | 115 | 55 | 58 | 36 | 16 | 26 | 26 | 32 | 47 | 49 | 47 | 72 | 71 | 69 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | off | glassy | glassy | on | cross-on | cross | |
High Tide | 4:54PM1.41m | 4:23AM1.53m | 5:28PM1.44m | 4:47AM1.57m | 6:03PM1.45m | 5:13AM1.59m | ||||||||||||||||||
Low Tide | 10:35PM0.65m | 11:04AM0.16m | 11:01PM0.69m | 11:32AM0.09m | 11:28PM0.74m | 12:03PM0.05m | ||||||||||||||||||
 |  | |  |  |  | | |  |  | |  |  | | | | | | | | | | | | |
 | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:54 | — | — | — | — |
 | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | 6:31 |
1 | 2 | 4 | 6 | 7 | 14 | 12 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 14 | 14 | 14 | 15 | 16 | 16 | 17 | 17 | 15 | 13 | 13 | 14 | 19 | 22 | 24 | 21 | 19 | 18 | 17 | 17 | 19 | 20 | 21 |
8 | 8 | 10 | 9 | 10 | 13 | 17 | 15 | 10 | 7 | 5 | 6 | 7 | 15 | 17 | 19 | 16 | 17 | 17 | 16 | 16 | 18 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | SW 5 | SW 5 | ESE 7 | — | — | ESE 8 | SSW 9 | SE 8 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | SW 8 | SW 7 | SW 7 | SW 6 | SW 6 | ESE 10 | ESE 9 |
 kJ | 1 | 1 | 269 | — | — | 480 | 1101 | 173 | 237 | 172 | 115 | 55 | 58 | 36 | 16 | 26 | 26 | 78 | 54 | 91 | 58 | 35 | 71 | 69 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SSW 7 | SE 8 | E 9 | — | — | — | — | SE 9 | SE 10 | SE 10 | ESE 11 | ESE 11 | ESE 9 | ESE 9 | ESE 9 | E 10 | ESE 10 | ESE 10 | S 6 |
| kJ | — | — | — | — | — | 89 | 214 | 99 | — | — | — | — | 21 | 16 | 16 | 11 | 11 | 32 | 47 | 49 | 47 | 72 | 71 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | E 8 | — | — | — | — | — | — | — | — | — | — | S 7 | SE 10 | — | — | S 7 | — | — |
| kJ | — | — | — | — | — | — | 120 | — | — | — | — | — | — | — | — | — | — | 1 | 17 | — | — | 1 | — | — |
Wind waves Height (m) Direction Period (s) | E 7 | E 6 | — | ESE 7 | ESE 7 | SSW 8 | SSW 9 | SSW 9 | SW 9 | SW 9 | SW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 7 | WSW 6 | WSW 6 | WSW 6 | WSW 5 | NW 4 | — | — | SW 6 | SW 6 |
| kJ | 339 | 291 | — | 263 | 444 | 821 | 1482 | 1157 | 1108 | 1475 | 1672 | 2064 | 1814 | 1405 | 835 | 431 | 280 | 136 | 48 | 8 | — | — | 29 | 40 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 747 | 674 | 66 | 103 | 103 | 65 | 2 | 6 | 351 | 351 | 351 | 351 | 103 | 2 | 210 | 104 | 104 | 2 | 2 | 2 | 2 | 13 | 6 | 1935 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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