About Nihonkai Marina
Facilities
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COORDINATES
35.63804 N, 134.82791 E
Port Information
Telephone
Manoeuvrability
Good
Channel Marking
Excellent
Port of Entry
No
Tidal Flow
Negligible
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Download the PredictWind App for detailed local insights, hazards, and amenities.
Weather Forecast
Thu
9AM - 1PM
09 April 2026
S 14–17 knots. Gusts up to 27 knots.
18 to 20°C
Cloudy
Thu
1PM - 5PM
09 April 2026
- S 16–21 knots. Gusts up to 34 knots.
- 15 to 20°C
S 0.6m at 4s period
UV Index: 0 - Low- Cloudy
Thu
5PM - 9PM
09 April 2026
- S 14–21 knots. Gusts up to 34 knots.
- 13 to 17°C
- S 0.5-0.9m at 3s period
- UV Index: 0 - Low
- Rain
Thu
9PM - 5AM
09 April 2026
- S 15–25 knots. Gusts up to 38 knots.
- 13 to 16°C
- S 0.6-0.9m at 4s period
- UV Index: 0 - Low
- Rain
Fri
5AM - 9AM
10 April 2026
- S 17 knots decreasing to 14 knots. Gusts up to 33 knots.
- 16 to 19°C
- S 0.7m at 3s period
- UV Index: 0 - Low
- Chance of showers
Fri
9AM - 1PM
10 April 2026
- S 14 knots decreasing to SW 9 knots. Gusts up to 26 knots.
- 18 to 21°C
- SW 0.5m at 4s period
- UV Index: 1 - Low
- Chance of showers
Fri
1PM - 5PM
10 April 2026
- W 5–12 knots. Gusts up to 23 knots.
- 16 to 21°C
- W 0.4m at 6s period
- UV Index: 0 - Low
- Chance of showers
Fri
5PM - 9PM
10 April 2026
- W 3–9 knots. Gusts up to 20 knots.
- Decreasing from 18 to 14°C
- W 0.6-1.3m at 5s period
- UV Index: 0 - Low
- Cloudy
Fri
9PM - 5AM
10 April 2026
- W 3–12 knots. Gusts up to 23 knots.
- 12 to 15°C
- W 1.3m at 6s period
- UV Index: 0 - Low
- Cloudy
Sat
5AM - 9AM
11 April 2026
- W 9–14 knots. Gusts up to 25 knots.
- Increasing from 12 to 15°C
- W 1.3m at 5s period
- UV Index: 0 - Low
- Partly cloudy
Sat
9AM - 1PM
11 April 2026
- W 12–18 knots. Gusts up to 27 knots.
- 16 to 19°C
- W 1.3m at 5s period
- UV Index: 6 - High
- Sunny
Sat
1PM - 5PM
11 April 2026
- NW 17 knots decreasing to 12 knots. Gusts up to 28 knots.
- Decreasing from 17 to 14°C
- NW 1.2m at 5s period
- UV Index: 6 - High
- Sunny
Sat
5PM - 9PM
11 April 2026
- NW 12 knots decreasing to 3 knots. Gusts up to 23 knots.
- Decreasing from 13 to 9°C
- NW 1.2m at 6s period
- UV Index: 0 - Low
- Mostly fine
Sat
9PM - 5AM
11 April 2026
- Light and variable.
- −2 to 12°C
- NW 1.4m at 7s period
- UV Index: 0 - Low
- Mostly fine
Sun
5AM - 9AM
12 April 2026
- Light and variable.
- Increasing from 4 to 16°C
- N 1.4m at 7s period
- UV Index: 0 - Low
- Sunny
Sun
9AM - 1PM
12 April 2026
- S 3 knots increasing to NE 6 knots.
- Increasing from 16 to 20°C
- N 1.2m at 7s period
- UV Index: 7 - High
- Mostly fine
Sun
1PM - 5PM
12 April 2026
- E 4–10 knots.
- 18 to 22°C
- N 1.1m at 7s period
- UV Index: 7 - High
- Partly cloudy
Sun
5PM - 9PM
12 April 2026
- SE 3–10 knots veering S 3-10 knots.
- Decreasing from 17 to 12°C
- N 0.9m at 7s period
- UV Index: 0 - Low
- Cloudy
Sun
9PM - 5AM
12 April 2026
- S 5–8 knots. Gusts up to 16 knots.
- 11 to 15°C
- N 0.8m at 7s period
- UV Index: 0 - Low
- Cloudy
Mon
5AM - 9AM
13 April 2026
- SW 6–8 knots. Gusts up to 17 knots.
- Increasing from 12 to 16°C
- N 0.6m at 7s period
- UV Index: 0 - Low
- Cloudy
Mon
9AM - 1PM
13 April 2026
- SW 3–7 knots.
- 15 to 17°C
- N 0.6m at 7s period
- UV Index: 1 - Low
- Cloudy
Mon
1PM - 5PM
13 April 2026
- NE 6–8 knots.
- 14 to 18°C
- N 0.5m at 7s period
- UV Index: 0 - Low
- Cloudy
Mon
5PM - 9PM
13 April 2026
- NE 5–12 knots veering E 5-12 knots.
- 12 to 15°C
- N 0.5m at 6s period
- UV Index: 0 - Low
- Cloudy
Mon
9PM - 5AM
13 April 2026
- E 2–10 knots.
- 12°C
- N 0.4m at 6s period
- UV Index: 0 - Low
- Cloudy
Tue
5AM - 9AM
14 April 2026
- E 1–7 knots.
- Increasing from 10 to 14°C
- NE 0.5m at 6s period
- Partly cloudy
Tue
9AM - 1PM
14 April 2026
- E 4–8 knots.
- 12 to 18°C
- N 0.5m at 6s period
- Cloudy
Tue
1PM - 5PM
14 April 2026
- NE 6 knots increasing to SE 9 knots. Gusts up to 18 knots.
- 12 to 21°C
- N 0.5m at 5s period
- Rain
Tue
5PM - 9PM
14 April 2026
- E 3–9 knots veering S 3-9 knots. Gusts up to 16 knots.
- 12 to 20°C
- N 0.6m at 5s period
- Chance of showers
Tue
9PM - 5AM
14 April 2026
- SE 1–13 knots. Gusts up to 18 knots.
- 11 to 14°C
- N 0.7-1.1m at 5s period
- Chance of showers
Wed
5AM - 9AM
15 April 2026
- SE 3–14 knots. Gusts up to 21 knots.
- 12 to 14°C
- N 1.2m at 6s period
- Cloudy
Wed
9AM - 1PM
15 April 2026
- SE 11 knots increasing to 14 knots. Gusts up to 25 knots.
- Increasing from 14 to 17°C
- N 1.3m at 6s period
- Cloudy
Wed
1PM - 5PM
15 April 2026
- S 10–18 knots. Gusts up to 25 knots.
- 14 to 21°C
- N 1.2m at 6s period
- Cloudy
Wed
5PM - 9PM
15 April 2026
- S 10–16 knots. Gusts up to 28 knots.
- 12 to 16°C
- N 1.1m at 6s period
- Cloudy
Wed
9PM - 5AM
15 April 2026
- S 7–17 knots. Gusts up to 25 knots.
- 12 to 17°C
- N 1.1m at 6s period
- Cloudy
Thu
5AM - 9AM
16 April 2026
- S 6–15 knots backing E 6-15 knots. Gusts up to 26 knots.
- 14 to 18°C
- N 1.0m at 6s period
- Cloudy
Thu
9AM - 1PM
16 April 2026
- NE 6–13 knots veering E 6-13 knots.
- Decreasing from 15 to 12°C
- N 1.0m at 6s period
- Cloudy
Thu
1PM - 5PM
16 April 2026
- NE 6–16 knots.
- 13 to 16°C
- N 0.9m at 5s period
- Partly cloudy
Thu
5PM - 9PM
16 April 2026
- E 14 knots decreasing to 8 knots. Gusts up to 17 knots.
- 9 to 14°C
- NE 0.8m at 5s period
- Cloudy
Thu
9PM - 5AM
16 April 2026
- SE 9 knots increasing to 15 knots. Gusts up to 23 knots.
- 9 to 14°C
- NE 0.8m at 5s period
- Cloudy
Fri
5AM - 9AM
17 April 2026
- S 22 knots decreasing to 16 knots. Gusts up to 32 knots.
- 14 to 18°C
- NE 0.5m at 4s period
- Cloudy
Fri
9AM - 1PM
17 April 2026
- S 10–22 knots. Gusts up to 26 knots.
- 14 to 18°C
- NE 0.5m at 4s period
- Cloudy
Fri
1PM - 5PM
17 April 2026
- S 7–11 knots.
- 16 to 22°C
- Calm sea
- Cloudy
Fri
5PM - 9PM
17 April 2026
- SE 9–20 knots. Gusts up to 22 knots.
- 15 to 17°C
- Calm sea
- Cloudy
Fri
9PM - 5AM
17 April 2026
- S 15 knots decreasing to 11 knots. Gusts up to 23 knots.
- 14 to 17°C
- Calm sea
- Cloudy
Sat
5AM - 9AM
18 April 2026
- S 12 knots decreasing to 7 knots.
- Increasing from 14 to 17°C
- Calm sea
- Cloudy
Sat
9AM - 1PM
18 April 2026
- S 7 knots decreasing to 3 knots.
- Decreasing from 17 to 13°C
- Calm sea
- Chance of showers
Sat
1PM - 5PM
18 April 2026
- N 4–6 knots.
- 13 to 20°C
- Calm sea
- Chance of showers
Sat
5PM - 9PM
18 April 2026
- S 4 knots increasing to 6 knots.
- 13°C
- Calm sea
- Rain
Sat
9PM - 5AM
18 April 2026
- S 7 knots increasing to N 11 knots.
- 13°C
- Calm sea
- Chance of showers