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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 am Sunday 03 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
18.1° C
(Which is 1.7°C colder than average for this time of year)How big are the waves at Katahama today?
The current surf forecast for Katahama at 6AM is: 0.5m 10s primary swell from a East-southeast direction (forecast issued at 02:00am May 03). An open ocean swell of 0.8m 6s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 May) | 1.5ft (0.5m) | 10s |
| Afternoon (03 May) | 1.5ft (0.5m) | 10s |
| Evening (03 May) | 4.5ft (1.3m) | 6s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 34mm), heaviest during Sun night. Warm (max 21°C on Sun night, min 12°C on Mon night). Winds decreasing (near gales from the SSW on Sun night, calm by Mon night). | ||||||||||||||||||||||||
Sunday 3 | Monday 4 | Tuesday 5 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SSW 6 | SSW 6 | ESE 9 | E 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 7 | ESE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | E 5 | E 5 | ESE 5 | |
47 | 49 | 54 | 54 | 52 | 52 | 58 | 123 | 50 | 44 | 30 | 32 | 19 | 20 | 35 | 51 | 21 | 27 | 27 | 39 | 39 | 61 | 53 | 38 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | glassy | glassy | glassy | cross | cross | cross | cross | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross-on | on | on | cross-on | cross | |
High Tide | 5:13AM1.59m | 6:40PM1.44m | 5:43AM1.59m | 7:20PM1.41m | 6:16AM1.56m | 8:08PM1.37m | ||||||||||||||||||
Low Tide | 11:28PM0.74m | 12:03PM0.05m | 11:59PM0.79m | 12:39PM0.05m | 00:34AM0.84m | 1:19PM0.09m | ||||||||||||||||||
 | |  | |  |  | |  |  | |  | | | | |  | | | | | | | | | |
 | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:34 | — |
— | — | — | — | — | — | — | 4 | 8 | 8 | 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 18 | 18 | 19 | 20 | 20 | 19 | 19 | 19 | 21 | 19 | 19 | 20 | 20 | 17 | 15 | 13 | 12 | 14 | 16 | 16 | 17 | 17 | 17 |
17 | 17 | 18 | 18 | 18 | 18 | 17 | 18 | 16 | 14 | 15 | 13 | 13 | 12 | 9 | 6 | 5 | 7 | 12 | 14 | 13 | 13 | 14 | 15 | |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 7 | SW 6 | SW 6 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | E 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 7 | ESE 10 | SE 10 | SW 9 | WSW 8 | SW 8 | SW 8 | SW 8 | SW 8 |
 kJ | 114 | 79 | 49 | 30 | 52 | 52 | 50 | 50 | 50 | 44 | 30 | 32 | 19 | 20 | 20 | 51 | 21 | 27 | 439 | 267 | 167 | 90 | 57 | 35 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 10 | ESE 10 | S 6 | WSW 6 | — | — | — | — | — | ESE 11 | E 9 | — | ESE 10 | ESE 10 | — | — | SE 10 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
| kJ | 47 | 49 | 54 | 54 | 1 | 4 | — | — | — | — | — | 22 | 7 | — | 35 | 21 | — | — | 27 | 26 | 39 | 38 | 38 | 38 |
Swell 3 Height (m) Direction Period (s) | S 7 | S 6 | S 7 | S 6 | — | — | — | — | — | — | — | E 10 | — | — | — | — | — | — | W 6 | ESE 10 | SSE 7 | W 4 | SSE 7 | SSE 6 |
| kJ | 3 | 3 | 8 | 7 | — | — | — | — | — | — | — | 17 | — | — | — | — | — | — | 3 | 39 | 5 | 3 | 5 | 8 |
Wind waves Height (m) Direction Period (s) | WNW 4 | NW 4 | — | — | SW 6 | SSW 5 | SSW 6 | SSW 6 | SSW 7 | SSW 8 | SW 9 | SW 10 | SW 10 | SW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | NW 5 | ENE 3 | E 4 | E 5 | E 5 | ESE 5 |
| kJ | 6 | 2 | — | — | 38 | 46 | 58 | 123 | 282 | 1383 | 2703 | 2369 | 2140 | 1786 | 1599 | 1157 | 1249 | 1020 | 42 | 4 | 18 | 61 | 53 | 34 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 6 | 6 | 1900 | 1900 | 1912 | 619 | 619 | 352 | 334 | 352 | 334 | 373 | 351 | 103 | 150 | 2 | 2 | 2 | 13 | 13 | 208 | 208 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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