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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 8 am Monday 25 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
19.8° 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 3PM is: 1.2m 8s primary swell from a East-southeast direction and 0.4m 8s secondary swell from a South direction (forecast issued at 08:00am May 25). An open ocean swell of 0.4m 12s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 5ft (1.5m) | 8s |
| Afternoon (25 May) | 4ft (1.2m) | 8s |
| Evening (25 May) | 4ft (1.2m) | 8s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 24°C on Wed morning, min 19°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 25 | Tuesday 26 | Wednesday 27 | Thu 28 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | |
374 | 272 | 226 | 170 | 170 | 170 | 138 | 138 | 119 | 133 | 146 | 146 | 146 | 137 | 133 | 105 | 85 | 101 | 105 | 102 | 102 | 102 | 102 | 102 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross-on | on | on | cross-on | glassy | glassy | cross-off | cross | cross-on | on | on | cross-on | cross-off | cross-off | cross-off | cross | cross-on | on | on | glassy | glassy | glassy | |
High Tide | 1:05PM1.11m | 1:36AM1.43m | 2:28PM1.19m | 2:15AM1.46m | 3:27PM1.27m | 2:48AM1.49m | ||||||||||||||||||
Low Tide | 7:26AM0.74m | 6:49PM0.67m | 8:23AM0.59m | 7:54PM0.75m | 9:07AM0.46m | 8:49PM0.81m | ||||||||||||||||||
 | |  | | |  | | | | | | | |  |  | | |  | | | | | | | |
 | 4:37 | — | — | — | — | — | — | 4:37 | — | — | — | — | — | — | — | 4:37 | — | — | — | — | — | — | — | 4:37 |
 | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:51 | — | — | 6:51 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 21 | 22 | 23 | 21 | 20 | 20 | 19 | 19 | 21 | 22 | 23 | 23 | 22 | 21 | 20 | 20 | 23 | 24 | 24 | 23 | 23 | 22 | 22 |
17 | 20 | 22 | 22 | 21 | 20 | 22 | 20 | 20 | 21 | 22 | 22 | 22 | 22 | 21 | 19 | 19 | 21 | 23 | 25 | 24 | 26 | 25 | 25 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | S 8 | S 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ENE 10 | ENE 11 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 14 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
 kJ | 204 | 196 | 196 | 19 | 29 | 170 | 138 | 138 | 119 | 133 | 146 | 22 | 22 | 137 | 133 | 105 | 85 | 101 | 105 | 19 | 102 | 102 | 102 | 102 |
Swell 2 Height (m) Direction Period (s) | ENE 11 | ENE 11 | SSW 8 | ENE 12 | ENE 12 | SSW 7 | ENE 12 | ENE 12 | SSE 7 | S 6 | ENE 11 | S 6 | S 6 | ENE 10 | E 11 | E 10 | E 10 | SE 14 | ESE 14 | SE 10 | ESE 14 | ESE 14 | ESE 14 | ESE 13 |
| kJ | 37 | 39 | 28 | 44 | 44 | 17 | 46 | 44 | 15 | 13 | 23 | 7 | 7 | 20 | 20 | 17 | 8 | 8 | 19 | 4 | 19 | 19 | 18 | 18 |
Swell 3 Height (m) Direction Period (s) | SW 9 | SSW 9 | ENE 11 | SW 8 | E 16 | ENE 12 | SSE 7 | SSE 7 | ENE 11 | ENE 11 | S 6 | SE 15 | SE 15 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 10 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 3 | 15 | 40 | 10 | 5 | 46 | 15 | 9 | 41 | 40 | 7 | 9 | 9 | 6 | 3 | 3 | 2 | 2 | 1 | 2 | 4 | 4 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | — | — | — | — | — | — | ESE 8 | ESE 8 | — | — | — | NE 3 | — | — | ESE 8 | — | — | — | — |
| kJ | 374 | 272 | 226 | 170 | 170 | — | — | — | — | — | — | 146 | 146 | — | — | — | 2 | — | — | 102 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 13 | 13 | 13 | 85 | 103 | 2 | 2 | 2 | 13 | 13 | 103 | 85 | 104 | 13 | 13 | 13 | 13 | 13 | 104 | 13 | 13 | 13 | 6 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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