Surf Forecasts:
How big are the waves at Katahama today (27 Jul):
- Morning surf: Morning surf (27 Jul, local time) - 1.5ft (0.4m), 10s period with SE swell.
- Afternoon surf: Afternoon surf (27 Jul, local time) - 1.5ft (0.4m), 10s period with SE swell.
- Evening surf: Evening surf (27 Jul, local time) - 1.5ft (0.5m), 10s period with SE swell.
The current surf forecast for Katahama at 12PM is: 0.4m 10s primary swell from a Southeast direction and 0.7m 4s secondary swell from a East direction (forecast issued at 08:00am July 27). An open ocean swell of 0.5m 8s is not directed at the surf break, a second open ocean swell of 0.4m 5s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Jul) | 1.5ft (0.4m) | 10s |
| Afternoon (27 Jul) | 1.5ft (0.4m) | 10s |
| Evening (27 Jul) | 1.5ft (0.5m) | 10s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Mon afternoon. Warm (max 34°C on Wed afternoon, min 24°C on Mon night). Winds increasing (light winds from the ENE on Mon night, fresh winds from the W by Tue night). | ||||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | ||||||||||||||||||||
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 10 | SE 10 | SE 10 | SE 10 | SE 14 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SW 4 | ESE 10 | ESE 10 | SE 10 | SE 10 | ESE 10 | SE 10 | SE 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 38 | 38 | 38 | 37 | 37 | 48 | 48 | 48 | 49 | 38 | 38 | 38 | 38 | 37 | 42 | 38 | 38 | 27 | 26 | 37 | 23 | 23 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | on | on | on | on | on | cross-on | cross | cross | on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 3:12AM1.52m | 5:34PM1.54m | 3:57AM1.57m | 5:56PM1.59m | 4:38AM1.62m | 6:17PM1.63m | ||||||||||||||||
Low Tide | 10:33AM0.31m | 10:57PM1.12m | 11:06AM0.27m | 11:27PM1.04m | 11:37AM0.25m | |||||||||||||||||
 |  | |  | |  | |  | | | | |  | | |  | | | | | |  | |
 | 4:52 | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — |
 | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — |
mm | — | — | — | 2 | 3 | 2 | 1 | — | — | — | — | 1 | — | 1 | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 27 | 26 | 25 | 24 | 25 | 24 | 24 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 29 | 32 | 34 | 32 | 30 |
Feels °C | 30 | 30 | 28 | 27 | 27 | 27 | 28 | 27 | 28 | 29 | 29 | 30 | 30 | 29 | 27 | 25 | 25 | 29 | 32 | 33 | 33 | 32 |
Swell 1 Height (m) Direction Period (s) | WSW 4 | S 8 | S 8 | S 8 | SSW 8 | SSW 8 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | ESE 10 | SSW 8 | SSW 8 | SSW 8 | SE 10 | ESE 10 | SE 10 | SW 6 |
| kJ | 11 | 35 | 34 | 34 | 53 | 39 | 61 | 62 | 62 | 61 | 58 | 58 | 65 | 41 | 38 | 27 | 26 | 26 | 24 | 37 | 23 | 152 |
Swell 2 Height (m) Direction Period (s) | S 8 | SW 4 | SSW 5 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SE 13 | ESE 10 | ESE 10 | SE 10 | SE 13 | SE 12 | SE 12 | SE 9 |
| kJ | 36 | 5 | 9 | 37 | 37 | 48 | 48 | 48 | 49 | 38 | 38 | 38 | 38 | 37 | 27 | 38 | 38 | 24 | 26 | 6 | 6 | 23 |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SW 5 | SE 14 | SSW 4 | SE 14 | SE 14 | SE 13 | SE 13 | SE 13 | ESE 4 | ESE 4 | SE 13 | E 16 | SE 13 | SE 13 | SE 13 | S 8 | E 13 | E 13 | E 10 |
| kJ | 38 | 38 | 38 | 6 | 30 | 2 | 29 | 29 | 28 | 28 | 27 | 3 | 3 | 27 | 5 | 27 | 27 | 27 | 5 | 3 | 3 | 7 |
Wind waves Height (m) Direction Period (s) | WSW 4 | E 8 | E 4 | ESE 4 | ESE 4 | E 5 | E 4 | E 4 | E 4 | E 4 | ESE 4 | — | — | SW 4 | SW 4 | SW 4 | WSW 4 | WSW 5 | WSW 6 | SW 6 | SW 6 | WSW 6 |
| kJ | 12 | 18 | 13 | 22 | 19 | 29 | 13 | 10 | 9 | 6 | 5 | — | — | 16 | 42 | 46 | 55 | 103 | 160 | 257 | 221 | 167 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 13 | 150 | 94 | 145 | 104 | 104 | 104 | 103 | 13 | 13 | 104 | 65 | 105 | 6 | 6 | 103 | 65 | 6 | 104 | 161 | 2 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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