Surf Forecasts:
How big are the waves at Katahama today (28 Sep):
- Morning surf: Morning surf (28 Sep, local time) - 3.5ft (1.1m), 6s period with SSW swell.
- Afternoon surf: Afternoon surf (28 Sep, local time) - 1ft (0.3m), 9s period with E swell.
- Evening surf: Evening surf (28 Sep, local time) - 0.5ft (0.2m), 9s period with E swell.
The current surf forecast for Katahama at 5AM is: 1.0m 6s primary swell from a South-southwest direction and 0.3m 9s secondary swell from a East direction, 0.1m 9s secondary swell from a Southeast direction (forecast issued at 02:00am September 28). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Sep) | 3.5ft (1.1m) | 6s |
| Afternoon (28 Sep) | 1ft (0.3m) | 9s |
| Evening (28 Sep) | 0.5ft (0.2m) | 9s |
Table - waves today at Katahama. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 76mm), heaviest during Mon morning. Warm (max 23°C on Mon night, min 19°C on Tue afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Monday 28 | Tuesday 29 | Wednesday 30 | ||||||||||||||||||||||
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 | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | E 9 | S 6 | SSW 6 | SSW 6 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | SSE 9 | ENE 4 | E 9 | E 5 | E 6 | E 7 | E 7 | E 6 | E 6 | E 6 | E 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 15 | 20 | 68 | 80 | 6 | 14 | 6 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 9 | 27 | 14 | 57 | 91 | 85 | 91 | 83 | 71 | 71 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 6:17AM1.70m | 6:04PM1.80m | 6:55AM1.66m | 6:32PM1.80m | 7:36AM1.59m | 7:01PM1.75m | ||||||||||||||||||
Low Tide | 00:05AM0.41m | 12:07PM0.70m | 00:36AM0.35m | 12:35PM0.78m | 1:12AM0.34m | 1:05PM0.88m | ||||||||||||||||||
 | |  | |  |  |  |  | | |  | | | | |  | | | | | | | | | |
 | — | 5:37 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:36 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:34 | — | — |
mm | 7 | 8 | 2 | 3 | 31 | 14 | 1 | — | — | — | — | — | 1 | 5 | 9 | 3 | 2 | 1 | 2 | 2 | 1 | — | 1 | — |
Temp °C | 22 | 22 | 23 | 22 | 22 | 22 | 22 | 23 | 23 | 22 | 21 | 21 | 21 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 |
Feels °C | 25 | 26 | 22 | 22 | 25 | 25 | 23 | 24 | 24 | 22 | 22 | 22 | 22 | 22 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 19 | 18 | 20 |
Swell 1 Height (m) Direction Period (s) | SSW 6 | SW 6 | E 9 | E 9 | SSW 6 | E 9 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SSW 12 | SW 12 | SW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 |
| kJ | 59 | 39 | 14 | 14 | 65 | 14 | 281 | 265 | 242 | 185 | 792 | 780 | 1094 | 1060 | 1012 | 795 | 694 | 521 | 458 | 527 | 517 | 478 | 487 | 469 |
Swell 2 Height (m) Direction Period (s) | E 9 | S 6 | SE 9 | SSE 9 | E 9 | SE 10 | SW 17 | SW 15 | SW 14 | SW 13 | SSW 7 | SSW 7 | SSE 9 | W 4 | SSE 9 | SE 12 | E 10 | SSE 9 | SSE 9 | SSE 9 | SE 12 | SE 12 | E 9 | SE 8 |
| kJ | 15 | 20 | 3 | 8 | 6 | 4 | 43 | 176 | 395 | 577 | 147 | 113 | 8 | 3 | 8 | 6 | 7 | 8 | 8 | 8 | 6 | 6 | 7 | 3 |
Swell 3 Height (m) Direction Period (s) | SE 9 | E 9 | E 6 | SE 13 | SE 8 | SW 14 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | SSE 9 | E 10 | E 10 | SSE 9 | SE 12 | SE 12 | SE 12 | — | SE 9 | SE 12 | SE 12 |
| kJ | 3 | 15 | 1 | 7 | 3 | 8 | 6 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 6 | 6 | 6 | — | 3 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | SSW 6 | SSW 6 | — | SSW 6 | — | — | — | — | WNW 4 | — | — | NE 3 | ENE 4 | E 9 | E 5 | E 6 | E 7 | E 7 | E 6 | E 6 | E 6 | E 6 |
| kJ | — | — | 68 | 80 | — | 121 | — | — | — | — | 13 | — | — | 5 | 9 | 27 | 14 | 57 | 91 | 85 | 91 | 83 | 71 | 71 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 65 | 2 | 65 | 2 | 386 | 369 | 334 | 334 | 2 | 2 | 65 | 2 | 2 | 13 | 2 | 2 | 132 | 94 | 13 | 13 | 13 | 13 | 13 | 13 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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