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Surf Forecasts:
Osaki surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Saturday 30 May 2026 JSTForecast update in hr min s Forecast update imminent
Osaki surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Osaki sea temperature is
21.2° C
(Which is normal for this time of year)How big are the waves at Osaki today (30 May):
- Morning surf: Morning surf (30 May, local time) - 1.5ft (0.4m), 6s period with SE swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 2ft (0.6m), 6s period with S swell.
- Evening surf: Evening surf (30 May, local time) - 1.5ft (0.5m), 4s period with S swell.
The current surf forecast for Osaki at 5PM is: 0.7m 4s primary swell from a South direction and 0.1m 12s secondary swell from a Southeast direction, 0.1m 13s secondary swell from a South direction (forecast issued at 08:00am May 30). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 1.5ft (0.4m) | 6s |
| Afternoon (30 May) | 2ft (0.6m) | 6s |
| Evening (30 May) | 1.5ft (0.5m) | 4s |
Table - waves today at Osaki. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Sun afternoon, min 20°C on Sun night). Winds increasing (calm on Sat night, fresh winds from the SSW by Mon night). | ||||||||||||||||||||||||
Saturday 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 6 | SE 6 | SSE 7 | S 6 | SW 7 | S 4 | SSE 6 | SSE 6 | S 15 | S 15 | S 13 | S 13 | S 12 | S 12 | S 12 | S 11 | S 11 | SW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | |
10 | 10 | 15 | 30 | 13 | 6 | 8 | 7 | 18 | 39 | 31 | 81 | 108 | 100 | 132 | 123 | 119 | 84 | 116 | 234 | 166 | 376 | 394 | 452 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | on | on | on | on | on | on | glassy | off | off | glassy | cross-on | on | on | cross-on | cross-on | on | on | on | on | on | on | on | on | |
High Tide | 5:08PM1.33m | 3:31AM1.41m | 5:55PM1.37m | 4:05AM1.44m | 6:40PM1.39m | |||||||||||||||||||
Low Tide | 10:04AM0.08m | 10:12PM0.88m | 10:43AM-0.02m | 10:53PM0.93m | 11:23AM-0.08m | 11:32PM0.97m | ||||||||||||||||||
 | | | |  |  | | |  | | | | | |  | | | | | | | | |  | |
 | 4:28 | — | — | — | — | — | — | 4:28 | — | — | — | — | — | — | — | 4:28 | — | — | — | — | — | — | — | 4:28 |
 | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | 6:51 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 21 | 23 | 23 | 22 | 22 | 21 | 22 | 21 | 23 | 24 | 25 | 25 | 22 | 21 | 20 | 20 | 21 | 22 | 22 | 21 | 21 | 21 | 21 |
19 | 20 | 19 | 20 | 19 | 20 | 21 | 23 | 21 | 22 | 24 | 24 | 24 | 19 | 18 | 20 | 21 | 21 | 20 | 19 | 18 | 17 | 19 | 18 | |
Swell 1 Height (m) Direction Period (s) | SE 6 | SE 6 | SSE 7 | SE 12 | SE 12 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 13 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | SSW 16 | S 13 | SSW 15 | SSW 14 | SSW 14 |
 kJ | 10 | 10 | 15 | 5 | 6 | 4 | 8 | 7 | 7 | 7 | 6 | 81 | 108 | 100 | 132 | 123 | 119 | 84 | 85 | 234 | 166 | 376 | 394 | 452 |
Swell 2 Height (m) Direction Period (s) | SSW 7 | SSW 7 | SE 12 | S 13 | SE 6 | SSW 6 | SE 11 | SSW 3 | S 15 | S 15 | S 13 | S 6 | SE 12 | SSW 14 | SE 12 | S 18 | SSW 5 | SSW 5 | SSW 17 | S 10 | SSW 16 | SE 11 | SE 11 | SE 11 |
| kJ | 9 | 9 | 5 | 3 | 13 | 4 | 5 | 1 | 18 | 39 | 31 | 6 | 6 | 39 | 5 | 6 | 14 | 4 | 116 | 48 | 166 | 5 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | S 13 | ESE 5 | SW 7 | SE 12 | S 13 | SE 11 | S 3 | SE 12 | SSW 15 | SE 12 | SSW 14 | SE 12 | SE 11 | SE 11 | SSW 18 | SW 17 | SSW 14 | SE 11 | SE 11 | E 10 | SE 11 | SE 11 |
| kJ | 5 | 5 | 3 | 3 | 11 | 6 | 3 | 5 | 1 | 6 | 22 | 6 | 63 | 6 | 20 | 20 | 31 | 76 | 40 | 5 | 5 | 8 | 30 | 19 |
Wind waves Height (m) Direction Period (s) | — | — | — | S 6 | S 4 | S 4 | SSW 3 | SW 3 | — | — | — | — | S 3 | SW 5 | SSW 5 | SSW 5 | SW 4 | — | S 2 | S 3 | S 4 | SSW 4 | SSW 4 | SSW 3 |
| kJ | — | — | — | 30 | 12 | 6 | 2 | 1 | — | — | — | — | 4 | 41 | 33 | 20 | 20 | — | 1 | 8 | 9 | 11 | 4 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 50 | 15 | 17 | 76 | 76 | 76 | 76 | 76 | 76 | 0 | 0 | 15 | 15 | 28 | 15 | 13 | 9 | 17 | 76 | 77 | 92 | 28 | 15 | 28 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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