Surf Forecasts:
How big are the waves at Katahama today (25 Aug):
- Morning surf: Morning surf (25 Aug, local time) - 7.5ft (2.3m), 13s period with SSE swell.
- Afternoon surf: Afternoon surf (25 Aug, local time) - 7ft (2.2m), 12s period with S swell.
- Evening surf: Evening surf (25 Aug, local time) - 7ft (2.1m), 12s period with S swell.
The current surf forecast for Katahama at 2AM is: 2.2m 14s primary swell from a South-southeast direction (forecast issued at 08:00pm August 24). An open ocean swell of 0.6m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Aug) | 7.5ft (2.3m) | 13s |
| Afternoon (25 Aug) | 7ft (2.2m) | 12s |
| Evening (25 Aug) | 7ft (2.1m) | 12s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 30°C on Wed morning, min 26°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Mon 24 | Tuesday 25 | Wednesday 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) | SSE 18 | SSE 15 | SSE 15 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | S 12 | S 12 | S 12 | S 13 | S 12 | E 13 | E 13 | SSE 9 | SSE 9 | E 12 | SSE 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 1042 | 2237 | 2182 | 2167 | 1877 | 1777 | 1451 | 1459 | 1292 | 1363 | 1248 | 1019 | 121 | 119 | 108 | 103 | 73 | 113 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off |
High Tide | 4:45PM1.55m | 3:17AM1.50m | 5:06PM1.61m | 4:02AM1.57m | 5:24PM1.65m | |||||||||||||
Low Tide | 10:24PM1.11m | 10:18AM0.41m | 10:51PM1.01m | 10:51AM0.39m | ||||||||||||||
 |  | | | |  | | | | |  | | | | | | | | |
 | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — |
 | 6:24 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:22 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 26 | 26 | 26 | 28 | 29 | 29 | 28 | 27 | 27 | 26 | 26 | 29 | 30 | 30 | 28 | 28 |
Feels °C | 31 | 31 | 30 | 30 | 31 | 31 | 31 | 29 | 29 | 29 | 30 | 30 | 30 | 32 | 31 | 31 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | SSE 14 | SSE 15 | SSE 15 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | S 12 | S 12 | S 12 | S 13 | S 12 | S 12 | S 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 |
| kJ | 1042 | 2237 | 2182 | 2167 | 1877 | 1777 | 1451 | 1459 | 1292 | 1363 | 1248 | 1019 | 1005 | 942 | 820 | 1071 | 737 | 789 |
Swell 2 Height (m) Direction Period (s) | SSE 18 | SW 10 | SW 10 | SW 10 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 | E 13 | E 13 | E 13 | SE 9 | SSE 9 | SSE 9 | E 12 | SSE 9 |
| kJ | 1026 | 74 | 58 | 58 | 153 | 150 | 100 | 132 | 128 | 126 | 125 | 123 | 121 | 90 | 108 | 103 | 73 | 113 |
Swell 3 Height (m) Direction Period (s) | SW 10 | E 12 | E 12 | E 11 | SW 10 | SW 10 | E 10 | SW 10 | — | SW 9 | SW 9 | SW 9 | WSW 9 | E 13 | E 12 | E 12 | E 12 | E 12 |
| kJ | 113 | 71 | 69 | 37 | 59 | 59 | 35 | 24 | — | 13 | 13 | 13 | 8 | 119 | 78 | 75 | 71 | 72 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SW 10 | — | SW 4 | SW 4 | WSW 4 | WSW 4 | WSW 4 | WSW 4 | SW 4 | SW 10 | S 9 | S 9 |
| kJ | — | — | — | — | — | — | 46 | — | 20 | 16 | 12 | 12 | 21 | 22 | 26 | 4 | 202 | 194 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 6 | 2 | 2 | 2 | 2 | 65 | 382 | 236 | 355 | 65 | 6 | 2 | 2 | 2 | 382 | 397 | 355 | 6 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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