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Surf Forecasts:
Nagai Point surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 pm Monday 20 Apr 2026 JSTForecast update in hr min s Forecast update imminent
Nagai Point surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nagai Point sea temperature is
17.6° C
(Which is slightly cooler than normal)How big are the waves at Nagai Point today?
The current surf forecast for Nagai Point at 2AM is: 0.9m 12s primary swell from a South-southeast direction and 0.8m 5s secondary swell from a South-southeast direction (forecast issued at 08:00pm April 20). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 1.5ft (0.5m) | 11s |
| Afternoon (21 Apr) | 1.5ft (0.4m) | 11s |
| Evening (21 Apr) | 2ft (0.6m) | 6s |
Table - waves today at Nagai Point. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Mon 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 6 | 6 | 6 | 6 | 7 | 8 | 8 | 3 | 8 | 8 | 5 | 6 | 13 | 7 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 256 | 210 | 209 | 222 | 86 | 60 | 58 | 41 | 23 | 25 | 21 | 26 | 16 | 16 | 36 | 9 | 15 | 33 | 8 | 7 | 6 | 7 | 6 | 6 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | on | on | on | off | cross- off | cross- off | cross- off | cross- off | glass | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | glass | cross- off | cross- off | cross- off | cross- on |
High Tide / height (m) | 7:12PM 1.31 | 5:53AM 1.43 | 8:01PM 1.22 | 6:19AM 1.38 | 9:04PM 1.14 | 6:47AM 1.30 | ||||||||||||||||||
Low Tide / height (m) | 12:20AM 0.77 | 1:01PM 0.04 | 12:49AM 0.87 | 1:44PM 0.13 | 1:20AM 0.95 | 2:37PM 0.23 | ||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:03 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:00 | - | - | - |
| Sunset | 6:16 | - | - | - | - | - | - | - | 6:17 | - | - | - | - | - | - | - | 6:19 | - | - | - | - | - | - | - |
 |  | | | | | |  | | | | |  | | | | |  | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 18 | 18 | 17 | 17 | 18 | 19 | 21 | 17 | 16 | 15 | 15 | 15 | 17 | 17 | 18 | 18 | 18 | 18 | 17 | 16 | 16 | 18 | 18 |
| Feels °C (?) | 15 | 15 | 15 | 13 | 14 | 15 | 15 | 18 | 12 | 13 | 11 | 13 | 13 | 14 | 13 | 14 | 16 | 16 | 17 | 17 | 11 | 13 | 16 | 15 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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