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Surf Forecasts:
Osaki surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 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 7AM is: 0.3m 10s primary swell from a Southeast direction and 0.2m 7s secondary swell from a South-southeast direction, 0.4m 3s secondary swell from a South-southwest direction (forecast issued at 02:00am 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) | 3ft (0.9m) | 4s |
Table - waves today at Osaki. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 30mm), heaviest during Thu afternoon. Warm (max 23°C on Wed morning, min 14°C on Thu night). Winds decreasing (fresh winds from the S on Tue afternoon, light winds from the WSW by Wed night). | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSE 7 | ESE 10 | SE 10 | SE 10 | SE 11 | S 4 | SSW 4 | SSW 4 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | S 4 | SE 10 | SE 10 | SE 9 | S 5 | SE 9 | S 6 | ESE 10 | S 7 | S 7 | |
10 | 10 | 16 | 29 | 29 | 35 | 32 | 26 | 29 | 29 | 40 | 38 | 27 | 26 | 22 | 17 | 14 | 14 | 16 | 14 | 37 | 61 | 80 | 68 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | on | on | on | cross-on | on | on | on | on | on | on | on | cross-on | off | off | off | off | off | |
High Tide | 5:10AM1.43m | 7:46PM1.35m | 5:44AM1.42m | 8:34PM1.32m | 6:22AM1.38m | |||||||||||||||||||
Low Tide | 11:59PM0.91m | 12:29PM-0.09m | 00:37AM0.95m | 1:09PM-0.06m | 1:18AM0.98m | 1:53PM0.01m | ||||||||||||||||||
 | |  | | | | |  | | | |  | | |  | |  | |  | |  | | | | |
 | — | 4:35 | — | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:42 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 4 | 1 | 6 | 8 | 6 | 1 | |
Temp °C | 20 | 19 | 19 | 21 | 22 | 22 | 22 | 21 | 21 | 20 | 20 | 21 | 23 | 23 | 22 | 22 | 21 | 21 | 21 | 17 | 16 | 16 | 16 | 16 |
17 | 17 | 17 | 19 | 18 | 17 | 17 | 18 | 19 | 19 | 19 | 20 | 21 | 20 | 19 | 21 | 21 | 22 | 24 | 13 | 12 | 12 | 11 | 12 | |
Swell 1 Height (m) Direction Period (s) | SSE 7 | ESE 10 | 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 | SE 9 | S 4 | S 5 | S 6 | S 7 | S 7 | S 7 |
 kJ | 5 | 10 | 16 | 28 | 29 | 18 | 18 | 18 | 29 | 29 | 40 | 38 | 27 | 26 | 15 | 15 | 14 | 14 | 3 | 8 | 37 | 57 | 80 | 68 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | SSE 7 | SSE 7 | ESE 9 | ESE 10 | E 10 | — | — | — | — | — | SE 5 | — | — | S 8 | S 8 | — | S 6 | SE 9 | SE 9 | SE 9 | SSE 7 | ESE 10 | ESE 10 |
| kJ | 10 | 5 | 4 | 29 | 18 | 2 | — | — | — | — | — | 4 | — | — | 1 | 1 | — | 1 | 14 | 14 | 13 | 37 | 38 | 10 |
Swell 3 Height (m) Direction Period (s) | SSE 7 | E 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 6 | — | — | ESE 10 | — | — |
| kJ | 9 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 61 | — | — |
Wind waves Height (m) Direction Period (s) | SSW 3 | SSW 3 | SSW 3 | SSW 3 | S 4 | S 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | S 4 | S 4 | S 4 | S 4 | S 4 | SSW 4 | S 5 | NNE 3 | NE 3 | NNE 3 | NNE 3 | NNE 3 |
| kJ | 4 | 2 | 4 | 5 | 13 | 35 | 32 | 26 | 20 | 11 | 6 | 5 | 7 | 15 | 22 | 17 | 9 | 5 | 16 | 2 | 2 | 1 | 3 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 91 | 38 | 38 | 91 | 518 | 518 | 491 | 38 | 38 | 38 | 38 | 76 | 248 | 91 | 91 | 38 | 76 | 76 | 38 | 54 | 37 | 54 | 92 | 9 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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