Surf Forecasts:
How big are the waves at Katahama today (18 Jun):
- Afternoon surf: Afternoon surf (18 Jun, local time) - 3.5ft (1.1m), 7s period with SE swell.
- Evening surf: Evening surf (18 Jun, local time) - 0.5ft (0.2m), 10s period with E swell.
The current surf forecast for Katahama at 10PM is: 0.1m 15s primary swell from a Southeast direction and 0.2m 10s secondary swell from a East direction, 0.1m 11s secondary swell from a Southeast direction (forecast issued at 02:00pm June 18). An open ocean swell of 1.7m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | - | - |
| Afternoon (18 Jun) | 3.5ft (1.1m) | 7s |
| Evening (18 Jun) | 0.5ft (0.2m) | 10s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 38mm), heaviest during Sat night. Warm (max 28°C on Sun morning, min 21°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
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 | 6 AM | 9 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SE 6 | SE 7 | SE 15 | E 10 | SSE 7 | SSE 11 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SSW 4 | SSW 5 | SE 9 | SE 9 | SE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 74 | 100 | 9 | 9 | 57 | 11 | 25 | 27 | 22 | 18 | 16 | 16 | 25 | 15 | 24 | 15 | 24 | 24 | 24 | 52 | 88 | 22 | 21 | 21 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | cross-on | on | on | on | on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross | cross | cross-off |
High Tide | 8:11PM1.54m | 7:06AM1.51m | 8:52PM1.54m | 7:58AM1.41m | 9:38PM1.52m | 9:00AM1.30m | ||||||||||||||||||
Low Tide | 1:20PM0.17m | 1:49AM0.93m | 2:02PM0.26m | 2:47AM0.90m | 2:47PM0.38m | 3:51AM0.85m | ||||||||||||||||||
 |  | |  | |  | | | | | | | |  |  | |  | | |  |  | |  | | |
 | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:33 | — | — |
 | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | 7:02 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 5 | 7 | 4 | 8 | 4 | 4 |
Temp °C | 24 | 25 | 24 | 22 | 22 | 21 | 21 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 21 | 21 | 21 | 22 | 22 | 23 | 23 |
Feels °C | 26 | 24 | 24 | 23 | 25 | 24 | 23 | 25 | 25 | 26 | 25 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 21 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SW 9 | SSW 9 | E 10 | SSE 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SSW 6 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 |
| kJ | 99 | 375 | 474 | 8 | 57 | 314 | 177 | 96 | 67 | 54 | 52 | 49 | 75 | 62 | 75 | 73 | 77 | 75 | 51 | 24 | 23 | 22 | 21 | 21 |
Swell 2 Height (m) Direction Period (s) | SE 6 | SE 7 | ENE 6 | SE 11 | SE 11 | SSE 11 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 5 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 4 | SE 12 | SSE 12 | SSE 12 | SSE 11 |
| kJ | 74 | 100 | 3 | 5 | 19 | 11 | 25 | 27 | 22 | 18 | 12 | 7 | 25 | 15 | 24 | 15 | 24 | 24 | 24 | 3 | 6 | 13 | 13 | 12 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | SE 16 | SE 15 | SE 15 | E 9 | E 10 | SSE 11 | ESE 8 | SE 10 | SE 10 | SE 10 | SE 10 | E 8 | E 9 | E 8 | E 8 | SE 13 | E 4 | E 4 | E 9 | E 9 | E 9 | E 9 | E 12 |
| kJ | 10 | 10 | 9 | 9 | 2 | 2 | 11 | 6 | 16 | 16 | 16 | 16 | 1 | 6 | 5 | 6 | 6 | 1 | 3 | 6 | 6 | 6 | 2 | 11 |
Wind waves Height (m) Direction Period (s) | N 3 | SW 2 | WSW 4 | SSW 8 | SW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 4 | SSW 4 | SSW 5 | SW 6 | SW 7 | SW 8 |
| kJ | 2 | 2 | 13 | 433 | 291 | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 52 | 88 | 209 | 459 | 499 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 65 | 65 | 2 | 2 | 2 | 2 | 13 | 211 | 104 | 13 | 13 | 13 | 13 | 13 | 236 | 211 | 13 | 13 | 208 | 208 | 351 | 334 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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