Surf Forecasts:
How big are the waves at Katahama today (26 Aug):
- Morning surf: Morning surf (26 Aug, local time) - 2ft (0.6m), 13s period with E swell.
- Afternoon surf: Afternoon surf (26 Aug, local time) - 2.5ft (0.8m), 9s period with SSE swell.
- Evening surf: Evening surf (26 Aug, local time) - 2.5ft (0.8m), 9s period with SSE swell.
The current surf forecast for Katahama at 1AM is: 2.0m 12s primary swell from a South direction and 0.6m 13s secondary swell from a East direction (forecast issued at 08:00pm August 25). An open ocean swell of 0.8m 4s 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 (26 Aug) | 2ft (0.6m) | 13s |
| Afternoon (26 Aug) | 2.5ft (0.8m) | 9s |
| Evening (26 Aug) | 2.5ft (0.8m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 21mm), heaviest during Thu night. Warm (max 30°C on Wed morning, min 24°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Tue 25 | Wednesday 26 | Thursday 27 | ||||||||||||||||
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) | S 12 | S 12 | S 12 | S 12 | S 12 | E 13 | SE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 10 | SW 6 | SSE 9 | SSE 10 | S 10 | S 10 | S 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 1292 | 1363 | 1229 | 1002 | 870 | 119 | 84 | 106 | 96 | 90 | 132 | 220 | 100 | 141 | 147 | 125 | 122 | 110 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | cross-off | glassy |
High Tide | 5:06PM1.61m | 4:02AM1.57m | 5:24PM1.65m | 4:40AM1.64m | 5:42PM1.69m | |||||||||||||
Low Tide | 10:51PM1.01m | 10:51AM0.39m | 11:15PM0.91m | 11:19AM0.38m | ||||||||||||||
 |  | | | | | | |  |  | | | | |  | | |  | |
 | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — |
 | 6:23 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 3 | 8 |
Temp °C | 28 | 27 | 27 | 27 | 26 | 29 | 30 | 30 | 29 | 28 | 27 | 27 | 27 | 29 | 29 | 30 | 28 | 27 |
Feels °C | 29 | 30 | 30 | 31 | 30 | 33 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 31 | 30 | 32 | 30 | 32 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SSE 10 | SW 10 | SW 10 | SW 10 |
| kJ | 1292 | 1363 | 1229 | 1002 | 870 | 639 | 550 | 480 | 477 | 460 | 447 | 463 | 347 | 292 | 147 | 200 | 167 | 138 |
Swell 2 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 13 | E 13 | SE 10 | SE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 10 | SSE 10 | SSE 9 | ESE 11 | S 10 | S 10 | S 9 |
| kJ | 128 | 126 | 125 | 123 | 121 | 96 | 84 | 106 | 96 | 90 | 132 | 220 | 94 | 141 | 41 | 125 | 122 | 110 |
Swell 3 Height (m) Direction Period (s) | — | — | SW 9 | E 19 | WSW 9 | E 13 | E 12 | E 12 | E 12 | E 12 | S 10 | E 12 | E 12 | E 12 | E 14 | E 11 | ESE 11 | ESE 11 |
| kJ | — | — | 13 | 7 | 8 | 119 | 78 | 75 | 73 | 72 | 74 | 68 | 42 | 41 | 37 | 36 | 38 | 38 |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 4 | WSW 4 | WSW 4 | WSW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 5 | SW 6 | SW 6 | SW 10 | SW 6 | SW 6 | SW 6 |
| kJ | 16 | 17 | 13 | 25 | 32 | 21 | 29 | 39 | 25 | 21 | 26 | 44 | 100 | 89 | 562 | 89 | 83 | 89 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 236 | 65 | 6 | 2 | 2 | 6 | 397 | 127 | 103 | 103 | 103 | 127 | 103 | 132 | 66 | 65 | 94 | 2 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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