
Surf Forecasts:
How big are the waves at Katahama today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 2ft (0.6m), 8s period with E swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 2ft (0.6m), 9s period with E swell.
- Evening surf: Evening surf (18 Jul, local time) - 2ft (0.6m), 9s period with E swell.
The current surf forecast for Katahama at 5AM is: 0.6m 8s primary swell from a East direction and 0.6m 4s secondary swell from a East-southeast direction (forecast issued at 02:00am July 18). An open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 2ft (0.6m) | 8s |
| Afternoon (18 Jul) | 2ft (0.6m) | 9s |
| Evening (18 Jul) | 2ft (0.6m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat night. Warm (max 29°C on Sun afternoon, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
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 | ||||||||||||||||||||||||
Wave Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | ESE 9 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
Wave Graph | ||||||||||||||||||||||||
52 | 51 | 51 | 52 | 59 | 60 | 61 | 61 | 92 | 120 | 90 | 92 | 87 | 83 | 81 | 83 | 58 | 58 | 58 | 59 | 78 | 56 | 55 | 52 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | on | on | on | on | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off |
High Tide | 7:02AM1.60m | 8:10PM1.67m | 7:49AM1.52m | 8:44PM1.66m | 8:41AM1.42m | |||||||||||||||||||
Low Tide | 1:32AM0.82m | 1:38PM0.34m | 2:16AM0.76m | 2:14PM0.46m | 3:06AM0.72m | 2:52PM0.61m | ||||||||||||||||||
— | 4:46 | — | — | — | — | — | — | — | 4:47 | — | — | — | — | — | — | — | 4:47 | — | — | — | — | — | — | |
— | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | |
mm | 2 | 1 | 1 | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 27 | 27 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 29 | 28 | 27 | 26 | 26 | 26 | 29 | 29 | 29 | 28 | 27 |
Feels °C | 31 | 29 | 29 | 29 | 29 | 30 | 30 | 32 | 30 | 30 | 30 | 31 | 31 | 31 | 30 | 31 | 30 | 30 | 30 | 32 | 31 | 31 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | E 8 | E 9 | E 9 | E 9 | E 9 | ESE 9 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
42 | 33 | 32 | 52 | 59 | 60 | 61 | 61 | 92 | 120 | 90 | 92 | 87 | 83 | 81 | 83 | 58 | 58 | 58 | 59 | 78 | 56 | 55 | 52 | |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SE 8 | SE 7 | SE 7 | SE 8 | SSE 8 | SE 8 | SE 7 | SE 7 | SE 6 | SE 6 | SSE 9 | SE 6 | SSE 8 | SE 8 |
52 | 51 | 51 | 30 | 17 | 17 | 17 | 18 | 17 | 16 | 28 | 27 | 27 | 25 | 26 | 14 | 19 | 14 | 10 | 10 | 8 | 6 | 7 | 17 | |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 4 | SSE 4 | SE 8 | SE 8 | SW 7 | SW 7 | SW 7 | SW 7 | S 8 | S 8 | S 8 | SW 7 | SW 6 | SW 6 | S 7 | SSE 8 | S 7 | WSW 8 |
13 | 13 | 12 | 11 | 11 | 11 | 4 | 3 | 15 | 15 | 16 | 16 | 7 | 12 | 10 | 5 | 10 | 7 | 6 | 6 | 4 | 7 | 4 | 6 | |
Wind waves Height (m) Direction Period (s) | ESE 4 | ESE 4 | ESE 4 | ESE 4 | SE 4 | SE 4 | — | — | — | — | — | — | SW 7 | — | SW 7 | SW 7 | SW 7 | — | SW 6 | — | SW 6 | SW 3 | SSW 3 | SW 4 |
11 | 12 | 16 | 13 | 12 | 9 | — | — | — | — | — | — | 21 | — | 16 | 16 | 11 | — | 11 | — | 10 | 5 | 7 | 6 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 211 | 208 | 208 | 150 | 104 | 104 | 104 | 104 | 13 | 104 | 208 | 6 | 6 | 65 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 208 | 211 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












