
Surf Forecasts:
How big are the waves at Katahama today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 8ft (2.5m), 16s period with SE swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 10ft (3.0m), 14s period with SE swell.
- Evening surf: Evening surf (19 Sep, local time) - 10ft (3.0m), 13s period with SE swell.
The current surf forecast for Katahama at 12PM is: 3.0m 14s primary swell from a Southeast direction (forecast issued at 08:00am September 19). An open ocean swell of 2.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 8ft (2.5m) | 16s |
| Afternoon (19 Sep) | 10ft (3.0m) | 14s |
| Evening (19 Sep) | 10ft (3.0m) | 13s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 27mm), heaviest during Mon afternoon. Warm (max 26°C on Sat morning, min 22°C on Sun night). Winds decreasing (strong winds from the NNE on Mon morning, light winds from the WNW by Mon night). | ||||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | ||||||||||||||||||||
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) | SE 16 | SE 16 | SE 14 | SE 14 | SE 13 | SE 13 | SE 13 | SE 13 | SE 12 | ESE 12 | SE 12 | ESE 12 | ESE 12 | SE 12 | SE 12 | SE 12 | SSE 13 | SSE 13 | SSE 13 | SE 13 | SE 12 | SE 11 |
Wave Graph | ||||||||||||||||||||||
1287 | 3499 | 4065 | 4042 | 3555 | 3502 | 3567 | 3165 | 3459 | 4022 | 2785 | 4574 | 4992 | 3089 | 3552 | 4709 | 5989 | 6587 | 8119 | 7948 | 4427 | 1112 | |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off |
High Tide | 1:24PM1.31m | 9:42PM1.39m | 2:57PM1.42m | 00:31AM1.31m | 3:33PM1.51m | |||||||||||||||||
Low Tide | 4:47AM0.62m | 4:45PM1.27m | 6:32AM0.65m | 8:29PM1.23m | 8:06AM0.62m | |||||||||||||||||
5:31 | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | |
— | — | — | 5:49 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:45 | — | — | |
mm | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | 7 | 2 | — | 2 | 2 | 1 | 9 | 2 | — |
Temp °C | 22 | 23 | 26 | 26 | 25 | 25 | 25 | 25 | 24 | 23 | 23 | 24 | 24 | 22 | 22 | 23 | 23 | 24 | 26 | 26 | 25 | 25 |
Feels °C | 20 | 21 | 25 | 26 | 25 | 25 | 25 | 25 | 23 | 21 | 21 | 22 | 21 | 20 | 19 | 20 | 21 | 21 | 23 | 24 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SE 16 | SE 16 | SE 14 | SE 14 | SE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SSE 13 | SSE 13 | SSE 13 | SE 13 | SE 12 | SE 11 |
1287 | 3499 | 4065 | 4042 | 3555 | 3502 | 3567 | 3165 | 3459 | 3026 | 2785 | 3399 | 3580 | 3089 | 3552 | 4709 | 5989 | 6587 | 8119 | 7948 | 4427 | 1112 | |
Swell 2 Height (m) Direction Period (s) | SE 13 | — | — | S 9 | S 9 | S 9 | — | — | — | S 16 | — | — | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 9 | W 6 | W 6 | E 10 |
802 | — | — | 2 | 2 | 2 | — | — | — | 132 | — | — | 13 | 13 | 13 | 27 | 26 | 26 | 515 | 17 | 36 | 514 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | E 13 | — | — | — | — | — | — | W 6 | W 6 |
— | — | — | — | — | — | — | — | — | — | — | — | — | 28 | — | — | — | — | — | — | 12 | 128 | |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | ENE 8 | E 6 | E 7 | E 7 | ENE 6 | E 7 | ENE 7 | ESE 12 | NE 5 | ESE 12 | ESE 12 | NE 5 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NE 6 | NNE 6 | W 6 | W 7 |
203 | 227 | 627 | 235 | 465 | 377 | 309 | 402 | 383 | 4022 | 47 | 4574 | 4992 | 106 | 93 | 71 | 105 | 143 | 266 | 137 | 130 | 345 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 94 | 351 | 619 | 132 | 132 | 132 | 150 | 132 | 260 | 415 | 415 | 415 | 415 | 415 | 373 | 373 | 373 | 373 | 397 | 373 | 2 | 2 |
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)











