Surf Forecasts:
Nagai Point surf forecast from 20 Aug 2026:
- Best quality surf: Monday 24 Aug, 9AM (local time) - 4.5ft (1.3m), 16s period, SSE swell with glassy winds.
- Most powerful swell: Thursday 27 Aug, 3AM (local time) - 11ft (3.5m), 12s period, S swell with 3,541 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 9PM (local time) - 2.5ft (0.8m), 15s period with SSE swell.
Best Forecast Surf Conditions for Nagai Point this week:
The surf forecast for Nagai Point over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 23) at 9PM. The primary swell is predicted to be 0.8m and 15s period with a secondary swell of 0.4m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Nagai Point in the next 16 days are 3.5m 12s and forecast to arrive on Thursday (Aug 27) at 3AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 14s period and expected on Tuesday (Aug 25) at 9AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Sun 23rd Aug) | 2.5ft (0.8m) 15s |
| Best Surf | 9AM (Mon 24th Aug) | 4.5ft (1.3m) 16s |
| Most Powerful | 3AM (Thu 27th Aug) | 11ft (3.5m) 12s |
Table - best surf conditions forecast for Nagai Point over the next 16 days.
Short Range ForecastLight rain (total 8mm), mostly falling on Sat night. Warm (max 27°C on Sat night, min 25°C on Sat night). Winds decreasing (fresh winds from the SSW on Fri afternoon, calm by Sat night). | Days 5-7 Weather SummaryModerate rain (total 13mm), heaviest on Wed morning. Warm (max 27°C on Tue afternoon, min 23°C on Wed morning). Winds increasing (calm on Mon morning, fresh winds from the SSW by Tue night). | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SSW 9 | S 10 | SSW 9 | S 9 | SSW 9 | SSW 9 | SSW 9 | SW 9 | SSW 9 | SE 16 | SSE 15 | SSE 16 | SSE 15 | SSE 15 | S 15 | S 16 | S 14 | S 13 | S 12 | S 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 8 | 8 | 27 | 101 | 35 | 32 | 32 | 20 | 15 | 61 | 372 | 859 | 869 | 1951 | 2293 | 2562 | 2391 | 1497 | 1065 | 3538 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | off | cross | cross-off | glassy | cross-on | on | on | cross-on | on | on | cross-on | cross |
High Tide | 8:27PM1.44m | 11:35AM1.10m | 8:59PM1.38m | 10:01PM1.32m | 4:01PM1.31m | 00:24AM1.29m | 4:15PM1.40m | 2:01AM1.36m | 4:35PM1.47m | 3:03AM1.45m | 4:55PM1.51m | |||||||||
Low Tide | 4:02AM0.54m | 2:23PM1.07m | 5:39AM0.54m | 7:23AM0.48m | 8:27PM1.21m | 8:33AM0.38m | 9:20PM1.11m | 9:22AM0.29m | 9:52PM0.99m | 10:02AM0.23m | 10:22PM0.87m | |||||||||
 |  |  | |  | | |  | |  | |  | | | | |  |  |  |  | |
 | — | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — |
 | 6:24 | — | — | 6:23 | — | — | 6:22 | — | — | 6:21 | — | — | 6:20 | — | — | 6:19 | — | — | 6:16 | — |
mm | — | — | — | — | — | — | — | 8 | — | 1 | 2 | — | — | — | — | — | 2 | 8 | 28 | 33 |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 27 | 27 | 24 | 24 | 26 |
Feels °C | 27 | 28 | 28 | 26 | 26 | 29 | 28 | 30 | 29 | 29 | 28 | 29 | 26 | 26 | 28 | 27 | 27 | 26 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 9 | SSW 8 | SSW 9 | SE 11 | SSW 9 | SSW 9 | SSW 9 | SW 9 | SSW 9 | SE 16 | SSE 15 | SSE 16 | SSE 15 | SSE 15 | S 15 | S 16 | S 14 | S 13 | S 12 | E 12 |
| kJ | 8 | 6 | 27 | 4 | 35 | 32 | 32 | 20 | 15 | 61 | 372 | 859 | 869 | 1951 | 2293 | 2562 | 2391 | 1497 | 1065 | 11 |
Swell 2 Height (m) Direction Period (s) | SE 11 | S 10 | SE 11 | S 9 | SE 10 | S 4 | SE 10 | SE 10 | S 5 | SSW 8 | SSW 8 | SSE 19 | SSE 18 | ESE 15 | ESE 14 | ESE 13 | ESE 13 | SSE 9 | E 12 | E 15 |
| kJ | 4 | 8 | 4 | 2 | 4 | 6 | 4 | 4 | 2 | 14 | 14 | 517 | 817 | 42 | 66 | 35 | 33 | 148 | 25 | 17 |
Swell 3 Height (m) Direction Period (s) | E 6 | SE 11 | SE 5 | S 13 | S 9 | SE 10 | SE 11 | SE 11 | SE 10 | SSE 10 | E 13 | SSW 8 | SSW 9 | E 15 | SW 10 | SW 10 | SW 11 | E 12 | E 17 | — |
| kJ | 1 | 4 | 4 | 3 | 2 | 4 | 5 | 5 | 4 | 9 | 12 | 13 | 7 | 38 | 17 | 16 | 18 | 26 | 5 | — |
Wind waves Height (m) Direction Period (s) | SSE 2 | SSW 3 | SSW 3 | S 9 | SSW 4 | — | S 5 | S 5 | — | SSE 4 | — | — | SSW 10 | SW 9 | — | — | — | — | SE 10 | S 12 |
| kJ | 1 | 3 | 2 | 101 | 11 | — | 10 | 11 | — | 4 | — | — | 52 | 30 | — | — | — | — | 200 | 3538 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 73 | 73 | 74 | 73 | 85 | 12 | 75 | 47 | 39 | 27 | 0 | 0 | 75 | 23 | 74 | 491 | 23 | 12 | 73 | 566 |
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 Nagai Point 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.
Information about the Nagai Point Surf forecast
The above surf forecast table for Nagai Point provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Nagai Point can be found by selecting the local surf guide option on the grey menu. Our Nagai Point surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Nagai Point) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Nagai Point may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Nagai Point is 6 km (4 miles) from Miura. If you plan a holiday in Kanagawa, look for hotels and other accommodation in Miura. Miura has rooms for a wide range of budgets as well as car hire and transport links.
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