Surf Forecasts:
How big are the waves at Katahama today (25 Sep):
- Morning surf: Morning surf (25 Sep, local time) - 2.5ft (0.7m), 4s period with E swell.
- Afternoon surf: Afternoon surf (25 Sep, local time) - 2.5ft (0.7m), 4s period with ESE swell.
- Evening surf: Evening surf (25 Sep, local time) - 2.5ft (0.7m), 4s period with ESE swell.
The current surf forecast for Katahama at 4AM is: 0.3m 9s primary swell from a East direction (forecast issued at 08:00pm September 24). An open ocean swell of 0.4m 4s is not directed at the surf break, a second open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Sep) | 2.5ft (0.7m) | 4s |
| Afternoon (25 Sep) | 2.5ft (0.7m) | 4s |
| Evening (25 Sep) | 2.5ft (0.7m) | 4s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Sun afternoon. Warm (max 25°C on Fri morning, min 19°C on Sat afternoon). Wind will be generally light. | ||||||||||||||||||
Thu 24 | Friday 25 | Saturday 26 | ||||||||||||||||
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 9 | E 9 | E 9 | E 9 | E 9 | E 4 | E 4 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | E 8 | E 8 | E 8 | ENE 4 | E 6 | E 6 | E 7 |
Wave Graph  | ||||||||||||||||||
 kJ | 7 | 7 | 14 | 14 | 14 | 15 | 16 | 17 | 17 | 19 | 15 | 13 | 12 | 12 | 31 | 74 | 58 | 69 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | cross-off | cross | cross | cross-on | on | on | on | cross-on | cross-on | cross | cross | cross | cross-off | cross | cross | cross-off |
High Tide | 4:41PM1.67m | 4:35AM1.63m | 4:59PM1.70m | 5:09AM1.68m | 5:19PM1.74m | |||||||||||||
Low Tide | 10:50PM0.72m | 10:53AM0.55m | 11:13PM0.60m | 11:17AM0.59m | ||||||||||||||
 | | |  |  | | | |  |  | | |  | |  | | | | |
 | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:40 | — | — | — | — | — | — | — | 5:38 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | 2 | 1 | 2 | 1 | 1 | — | 1 | 2 | — |
Temp °C | 26 | 24 | 24 | 24 | 23 | 24 | 25 | 25 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 19 | 19 | 19 |
Feels °C | 28 | 27 | 26 | 26 | 24 | 24 | 26 | 25 | 24 | 24 | 24 | 23 | 23 | 22 | 20 | 18 | 18 | 19 |
Swell 1 Height (m) Direction Period (s) | ESE 5 | ESE 5 | WSW 4 | WSW 4 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 4 | E 8 | E 8 | E 8 | E 10 | E 10 | E 10 | E 10 |
| kJ | 5 | 5 | 10 | 5 | 14 | 14 | 14 | 15 | 15 | 13 | 15 | 12 | 12 | 12 | 17 | 8 | 8 | 8 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | W 3 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | E 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 9 | SSE 9 |
| kJ | 6 | 6 | 14 | 14 | 1 | 7 | 7 | 7 | 7 | 7 | 12 | 7 | 7 | 7 | 7 | 7 | 8 | 7 |
Swell 3 Height (m) Direction Period (s) | SSE 8 | SSE 8 | ESE 5 | ESE 5 | SSE 8 | SSW 7 | S 7 | S 7 | S 7 | S 7 | SSE 8 | S 7 | S 7 | S 7 | S 7 | S 7 | S 10 | S 9 |
| kJ | 7 | 7 | 2 | 2 | 7 | 5 | 4 | 4 | 4 | 4 | 7 | 1 | 1 | 1 | 1 | 1 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | WSW 4 | WSW 4 | WSW 4 | W 4 | E 5 | E 4 | E 4 | ESE 4 | ESE 4 | ESE 4 | — | E 4 | E 4 | E 4 | ENE 4 | E 6 | E 6 | E 7 |
| kJ | 16 | 20 | 14 | 6 | 4 | 15 | 16 | 17 | 17 | 19 | — | 13 | 9 | 10 | 31 | 74 | 58 | 69 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 179 | 186 | 186 | 186 | 186 | 2462 | 911 | 911 | 202 | 202 | 1366 | 179 | 150 | 764 | 764 | 236 | 94 | 13 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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