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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 2 am Friday 29 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 (29 May):
- Morning surf: Morning surf (29 May, local time) - 2ft (0.6m), 10s period with E swell.
- Afternoon surf: Afternoon surf (29 May, local time) - 2ft (0.6m), 10s period with E swell.
- Evening surf: Evening surf (29 May, local time) - 2ft (0.6m), 10s period with E swell.
The current surf forecast for Katahama at 7AM is: 0.6m 10s primary swell from a East direction and 0.2m 12s secondary swell from a East-southeast direction (forecast issued at 02:00am May 29). An open ocean swell of 1.9m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | 2ft (0.6m) | 10s |
| Afternoon (29 May) | 2ft (0.6m) | 10s |
| Evening (29 May) | 2ft (0.6m) | 10s |
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 30°C on Fri afternoon, min 20°C on Fri night). Winds decreasing (fresh winds from the W on Fri morning, calm by Sun morning). | ||||||||||||||||||||||||
Friday 29 | Saturday 30 | Sunday 31 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
E 9 | ESE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | S 16 | S 15 | S 14 | E 10 | E 10 | E 10 | |
73 | 96 | 67 | 68 | 67 | 67 | 67 | 68 | 67 | 65 | 83 | 85 | 85 | 114 | 112 | 110 | 106 | 104 | 122 | 208 | 325 | 73 | 73 | 75 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross | cross | off | off | cross | cross | cross | cross-off | cross-off | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-off | |
High Tide | 3:17AM1.52m | 4:54PM1.39m | 3:45AM1.55m | 5:30PM1.43m | 4:15AM1.58m | 6:05PM1.45m | ||||||||||||||||||
Low Tide | 9:33PM0.86m | 10:16AM0.24m | 10:09PM0.90m | 10:47AM0.16m | 10:41PM0.94m | 11:19AM0.10m | ||||||||||||||||||
 | |  | | | | |  | | | | | | |  |  | | | | |  | | | | |
 | — | 4:35 | — | — | — | — | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:35 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 22 | 22 | 26 | 29 | 30 | 26 | 23 | 21 | 21 | 20 | 23 | 24 | 25 | 25 | 22 | 21 | 20 | 20 | 23 | 24 | 25 | 24 | 23 |
21 | 19 | 19 | 22 | 23 | 24 | 24 | 22 | 22 | 22 | 20 | 22 | 20 | 21 | 22 | 21 | 21 | 20 | 19 | 22 | 23 | 23 | 23 | 22 | |
Swell 1 Height (m) Direction Period (s) | E 9 | ESE 10 | E 10 | E 10 | E 10 | E 10 | SW 7 | SW 7 | SSW 7 | SSW 7 | E 6 | ESE 6 | SSW 7 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | S 14 | S 13 | S 13 | S 12 |
 kJ | 73 | 96 | 67 | 68 | 67 | 67 | 158 | 118 | 81 | 59 | 78 | 66 | 40 | 114 | 112 | 110 | 106 | 104 | 104 | 102 | 325 | 411 | 473 | 504 |
Swell 2 Height (m) Direction Period (s) | ESE 13 | S 9 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | E 10 | WNW 6 | E 10 | E 5 | SSW 7 | SSW 7 | E 6 | E 6 | ESE 5 | SW 6 | SW 7 | WSW 4 | SW 4 | S 15 | E 10 | E 10 | E 10 | E 10 |
| kJ | 16 | 2 | 15 | 15 | 15 | 15 | 67 | 52 | 67 | 30 | 59 | 41 | 24 | 16 | 9 | 15 | 15 | 13 | 10 | 208 | 100 | 73 | 73 | 75 |
Swell 3 Height (m) Direction Period (s) | S 9 | — | S 9 | S 9 | S 9 | S 9 | ESE 12 | E 10 | W 5 | E 10 | E 11 | E 11 | E 11 | SE 9 | SE 9 | SSE 6 | SSE 6 | SSE 6 | S 16 | SW 6 | SW 6 | SE 12 | S 16 | S 4 |
| kJ | 2 | — | 2 | 2 | 2 | 2 | 15 | 68 | 20 | 65 | 83 | 85 | 85 | 3 | 3 | 12 | 12 | 11 | 122 | 16 | 13 | 23 | 47 | 4 |
Wind waves Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | WSW 7 | WSW 6 | WSW 6 | W 6 | — | E 4 | — | E 6 | — | — | SW 6 | SW 6 | SW 4 | WSW 4 | WSW 4 | WSW 4 | — | — | SSW 6 | SW 3 | — |
| kJ | 365 | 371 | 352 | 306 | 286 | 393 | 141 | — | 6 | — | 128 | — | — | 43 | 58 | 11 | 12 | 14 | 11 | — | — | 18 | 4 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 103 | 103 | 103 | 103 | 103 | 65 | 352 | 103 | 104 | 2 | 2 | 6 | 65 | 208 | 65 | 6 | 6 | 6 | 2 | 2 | 94 | 6 | 6 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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