Surf Forecasts:
How big are the waves at Katahama today (23 Jun):
- Morning surf: Morning surf (23 Jun, local time) - 3ft (0.9m), 5s period with E swell.
- Afternoon surf: Afternoon surf (23 Jun, local time) - 1.5ft (0.4m), 11s period with SE swell.
- Evening surf: Evening surf (23 Jun, local time) - 1.5ft (0.4m), 10s period with SE swell.
The current surf forecast for Katahama at 4PM is: 0.4m 11s primary swell from a Southeast direction and 0.7m 5s secondary swell from a East direction (forecast issued at 08:00am June 23). An open ocean swell of 0.4m 6s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Jun) | 3ft (0.9m) | 5s |
| Afternoon (23 Jun) | 1.5ft (0.4m) | 11s |
| Evening (23 Jun) | 1.5ft (0.4m) | 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 30mm), heaviest during Thu night. Warm (max 23°C on Wed morning, min 19°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 23 | Wednesday 24 | Thursday 25 | Fri 26 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SE 11 | E 5 | E 5 | SE 11 | SE 9 | SE 10 | E 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SSW 17 | SSW 16 | SE 11 | SE 10 | SE 10 | E 4 | SE 10 | SE 10 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 41 | 43 | 43 | 43 | 23 | 26 | 45 | 37 | 37 | 38 | 41 | 41 | 41 | 41 | 41 | 0 | 0 | 40 | 37 | 36 | 18 | 26 | 26 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | cross-off | cross | cross-on | cross-on | cross | glassy | glassy | cross-off | cross | cross | cross | cross | cross | cross | cross | glassy |
High Tide | 12:16PM1.14m | 00:17AM1.48m | 2:05PM1.18m | 1:10AM1.48m | 3:24PM1.27m | 1:58AM1.49m | ||||||||||||||||||
Low Tide | 6:18AM0.71m | 5:33PM0.83m | 7:30AM0.60m | 6:45PM0.95m | 8:31AM0.49m | 8:02PM1.03m | ||||||||||||||||||
 | | |  | |  |  | |  | | | | |  | | | | | | | |  |  | | |
 | 4:33 | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:35 |
 | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | 7:04 |
mm | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 4 | 2 | 2 | 4 | 6 | 3 |
Temp °C | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 21 | 23 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 19 | 19 | 20 | 20 | 20 | 21 |
Feels °C | 23 | 22 | 22 | 23 | 23 | 23 | 24 | 22 | 21 | 22 | 24 | 22 | 23 | 23 | 23 | 22 | 21 | 20 | 18 | 18 | 19 | 21 | 22 | 24 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | SE 11 | SE 11 | E 4 | ESE 4 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SSW 14 | SSW 13 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 24 | 13 | 43 | 43 | 9 | 3 | 45 | 50 | 50 | 50 | 51 | 51 | 50 | 47 | 105 | 111 | 284 | 417 | 732 | 838 | 957 | 857 | 845 | 1065 |
Swell 2 Height (m) Direction Period (s) | W 5 | SE 11 | SW 6 | SW 6 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SSW 10 | S 10 | SSW 17 | SSW 12 | SSW 12 | SE 10 | SE 10 | SE 10 | SSW 8 | SSW 7 | SSW 7 |
| kJ | 11 | 43 | 9 | 9 | 23 | 26 | 15 | 37 | 37 | 38 | 41 | 41 | 41 | 33 | 49 | 164 | 99 | 158 | 37 | 36 | 16 | 207 | 203 | 139 |
Swell 3 Height (m) Direction Period (s) | SE 11 | W 4 | W 4 | ENE 10 | ENE 10 | ENE 10 | SE 12 | S 5 | SSE 5 | SSW 5 | S 11 | SSW 11 | SSW 10 | SE 11 | SE 11 | ENE 9 | SSW 9 | SE 11 | E 19 | E 19 | ESE 12 | SE 10 | SE 10 | SW 9 |
| kJ | 41 | 6 | 1 | 9 | 19 | 18 | 23 | 4 | 2 | 3 | 23 | 40 | 36 | 41 | 41 | 28 | 26 | 40 | 7 | 7 | 15 | 26 | 26 | 20 |
Wind waves Height (m) Direction Period (s) | E 5 | E 5 | E 5 | E 5 | E 4 | — | — | — | ENE 3 | ENE 3 | ENE 3 | — | — | — | — | — | — | E 8 | ENE 3 | ENE 4 | E 4 | E 4 | E 4 | SSW 7 |
| kJ | 30 | 40 | 37 | 21 | 14 | — | — | — | 1 | 1 | 2 | — | — | — | — | — | — | 37 | 11 | 16 | 18 | 11 | 8 | 120 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 94 | 94 | 236 | 236 | 104 | 94 | 6 | 6 | 94 | 94 | 13 | 6 | 6 | 2 | 2 | 2 | 13 | 103 | 103 | 103 | 103 | 13 | 13 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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