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Surf Forecasts:
Osaki surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Tuesday 19 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
19.9° C
(Which is slightly cooler than normal)How big are the waves at Osaki today?
The current surf forecast for Osaki at 5PM is: 1.0m 4s primary swell from a South direction and 0.3m 11s secondary swell from a Southeast direction, 0.1m 10s secondary swell from a East direction (forecast issued at 08:00am May 19). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 1.5ft (0.4m) | 10s |
| Afternoon (19 May) | 3.5ft (1.0m) | 4s |
| Evening (19 May) | 1.5ft (0.4m) | 11s |
Table - waves today at Osaki. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 28mm), heaviest during Thu afternoon. Warm (max 24°C on Wed morning, min 15°C on Thu night). Winds decreasing (fresh winds from the S on Tue afternoon, light winds from the SSW by Wed night). | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 10 | SE 10 | SE 11 | S 4 | S 4 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SSW 4 | SE 10 | SE 10 | SE 9 | SE 9 | S 6 | S 6 | S 7 | S 7 | S 8 | S 8 | S 8 | |
16 | 29 | 18 | 37 | 41 | 29 | 29 | 29 | 40 | 38 | 27 | 26 | 31 | 19 | 14 | 14 | 14 | 25 | 38 | 56 | 63 | 90 | 72 | 55 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | on | cross-on | on | on | on | on | on | on | on | cross-off | cross-off | off | off | off | off | off | off | |
High Tide | 5:10AM1.43m | 7:46PM1.35m | 5:44AM1.42m | 8:34PM1.32m | 6:22AM1.38m | 9:23PM1.28m | ||||||||||||||||||
Low Tide | 12:29PM-0.09m | 00:37AM0.95m | 1:09PM-0.06m | 1:18AM0.98m | 1:53PM0.01m | 2:07AM0.99m | ||||||||||||||||||
 | | | | |  | |  |  | | | |  |  |  | |  | | |  | | | | | |
 | 4:35 | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:33 |
 | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:42 | — | — | 6:43 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 | 3 | 3 | 2 | 7 | 2 | 2 | 1 | 2 | |
Temp °C | 19 | 21 | 21 | 22 | 22 | 21 | 20 | 20 | 20 | 21 | 24 | 23 | 23 | 22 | 21 | 20 | 19 | 17 | 17 | 17 | 16 | 16 | 15 | 15 |
17 | 19 | 17 | 17 | 17 | 18 | 18 | 19 | 19 | 20 | 22 | 20 | 21 | 21 | 21 | 22 | 21 | 15 | 15 | 14 | 11 | 12 | 10 | 9 | |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | S 4 | S 4 | S 6 | S 6 | S 7 | S 7 | S 8 | S 8 | S 8 |
 kJ | 16 | 28 | 18 | 18 | 18 | 29 | 29 | 29 | 40 | 38 | 27 | 26 | 15 | 15 | 14 | 5 | 3 | 25 | 38 | 56 | 63 | 90 | 72 | 55 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | ESE 9 | ESE 9 | E 10 | — | — | — | — | — | — | — | — | — | — | — | SE 9 | SE 9 | SE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SE 11 | SE 9 |
| kJ | 4 | 29 | 16 | 2 | — | — | — | — | — | — | — | — | — | — | — | 14 | 14 | 13 | 9 | 10 | 10 | 10 | 4 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 6 | — | — | — | — | — | — | — | SE 11 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | 5 |
Wind waves Height (m) Direction Period (s) | SW 3 | SSW 3 | S 4 | S 4 | S 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | S 4 | S 4 | SSW 4 | SSW 4 | S 4 | — | — | — | NE 3 | NE 3 | NE 3 | NNE 3 | NE 3 | NNE 3 |
| kJ | 3 | 4 | 13 | 37 | 41 | 25 | 15 | 10 | 9 | 6 | 6 | 15 | 31 | 19 | 13 | — | — | — | 1 | 2 | 2 | 4 | 5 | 7 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 38 | 91 | 518 | 248 | 77 | 38 | 38 | 38 | 38 | 92 | 86 | 491 | 38 | 38 | 76 | 17 | 15 | 37 | 37 | 0 | 37 | 9 | 229 | 146 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Osaki surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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