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Surf Forecasts:
Katahama surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 8 pm Sunday 31 May 2026 JSTForecast update in hr min s Forecast update imminent
Katahama surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Katahama sea temperature is
20.7° C
(Which is 1.5°C colder than average for this time of year)How big are the waves at Katahama today (01 Jun):
- Morning surf: Morning surf (01 Jun, local time) - 3.5ft (1.0m), 11s period with S swell.
- Afternoon surf: Afternoon surf (01 Jun, local time) - 2.5ft (0.8m), 10s period with S swell.
- Evening surf: Evening surf (01 Jun, local time) - 1.5ft (0.5m), 10s period with E swell.
The current surf forecast for Katahama at 12AM is: 1.1m 12s primary swell from a South direction (forecast issued at 08:00pm May 31). An open ocean swell of 1.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Jun) | 3.5ft (1.0m) | 11s |
| Afternoon (01 Jun) | 2.5ft (0.8m) | 10s |
| Evening (01 Jun) | 1.5ft (0.5m) | 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 121mm), heaviest during Wed morning. Warm (max 24°C on Mon morning, min 18°C on Tue night). Winds increasing (calm on Mon night, gales from the NE by Wed afternoon). | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wednesday 3 | |||||||||||||||||||||
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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 10 | E 10 | E 10 | E 10 | E 9 | E 10 | E 10 | E 10 | E 10 | SE 6 | E 9 | E 9 | SE 6 | SSE 8 | SE 9 | ESE 9 | ESE 10 | |
292 | 336 | 330 | 298 | 233 | 229 | 224 | 121 | 46 | 45 | 44 | 28 | 50 | 50 | 49 | 49 | 52 | 28 | 28 | 220 | 345 | 2334 | 2633 | 1432 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | glassy | glassy | glassy | cross-off | cross | cross-on | cross-on | on | cross-on | cross-on | cross | cross | cross | cross | cross | |
High Tide | 6:05PM1.45m | 4:46AM1.60m | 6:41PM1.47m | 5:21AM1.61m | 7:19PM1.48m | 6:00AM1.58m | ||||||||||||||||||
Low Tide | 11:14PM0.95m | 11:52AM0.07m | 11:50PM0.96m | 12:27PM0.07m | 00:33AM0.96m | 1:06PM0.11m | ||||||||||||||||||
 |  | |  |  | | | | | | |  |  | | | | |  |  | |  | | | | |
 | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:33 | — | — | — | — |
 | 6:52 | — | — | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | 6:54 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 6 | 7 | 16 | 44 | 35 | 11 | |
Temp °C | 23 | 20 | 20 | 19 | 19 | 22 | 24 | 23 | 22 | 21 | 21 | 20 | 20 | 21 | 21 | 21 | 21 | 18 | 18 | 18 | 18 | 18 | 19 | 20 |
22 | 19 | 20 | 19 | 20 | 22 | 22 | 21 | 21 | 22 | 23 | 22 | 21 | 22 | 22 | 21 | 22 | 18 | 18 | 15 | 14 | 11 | 9 | 9 | |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | SSW 14 | SSW 13 | SSW 13 | SSW 14 | SSW 13 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | S 12 | SSW 14 | SW 14 | SW 16 | SSW 16 | S 16 |
 kJ | 292 | 336 | 330 | 298 | 233 | 229 | 224 | 547 | 642 | 1058 | 1090 | 1042 | 1700 | 1581 | 1356 | 1380 | 1317 | 1314 | 800 | 1432 | 1617 | 4158 | 13750 | 32663 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | SSW 6 | SSW 6 | SSW 5 | SSW 15 | S 14 | S 10 | S 10 | SSW 18 | SSW 17 | SSW 16 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | SSW 14 | — | SSE 8 | — | S 10 | ESE 10 |
| kJ | 71 | 75 | 69 | 58 | 46 | 370 | 311 | 121 | 198 | 216 | 373 | 539 | 50 | 50 | 49 | 49 | 28 | 28 | 682 | — | 345 | — | 1081 | 1432 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | E 10 | E 10 | S 15 | SW 5 | SSW 17 | E 10 | E 10 | E 10 | E 10 | E 9 | SE 11 | E 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | — | — | — | — | SSE 11 |
| kJ | 22 | 22 | 49 | 49 | 218 | 27 | 159 | 48 | 46 | 45 | 44 | 28 | 19 | 49 | 20 | 19 | 19 | 18 | 18 | — | — | — | — | 1081 |
Wind waves Height (m) Direction Period (s) | S 6 | SSW 5 | — | — | — | — | SSW 5 | SSW 5 | — | — | — | — | — | — | — | — | SE 6 | — | E 9 | SE 6 | ESE 6 | SE 9 | ESE 9 | NNE 6 |
| kJ | 17 | 57 | — | — | — | — | 16 | 8 | — | — | — | — | — | — | — | — | 52 | — | 28 | 220 | 309 | 2334 | 2633 | 300 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 127 | 210 | 65 | 2 | 2 | 6 | 65 | 355 | 6 | 2 | 2 | 2 | 2 | 13 | 13 | 13 | 208 | 104 | 104 | 103 | 658 | 658 | 658 | 373 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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