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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Weather Forecast
Thu
5AM - 9AM
21 May 2026
S 5–9 knots. Gusts up to 17 knots.
22°C
NE 0.4m at 6s period
UV Index: 0 - Low
Rain
Thu
9AM - 1PM
21 May 2026
- S 5–8 knots.
- 22 to 24°C
- N 0.4m at 6s period
- UV Index: 1 - Low
- Rain
Thu
1PM - 5PM
21 May 2026
- SW 6–10 knots.
- 22 to 24°C
- N 0.6m at 6s period
- UV Index: 1 - Low
- Chance of showers
Thu
5PM - 9PM
21 May 2026
- W 4–8 knots. Gusts up to 19 knots.
- 20 to 22°C
- N 0.6-1.0m at 5s period
- UV Index: 0 - Low
- Chance of showers
Thu
9PM - 5AM
21 May 2026
- W 6–12 knots. Gusts up to 22 knots.
- 17 to 20°C
- NW 1.1m at 4s period
- UV Index: 0 - Low
- Cloudy
Fri
5AM - 9AM
22 May 2026
- NW 8–11 knots. Gusts up to 19 knots.
- 17°C
- NW 1.2m at 5s period
- UV Index: 0 - Low
- Cloudy
Fri
9AM - 1PM
22 May 2026
- NW 8–11 knots. Gusts up to 16 knots.
- 17°C
- N 1.3-1.6m at 6s period
- UV Index: 2 - Low
- Cloudy
Fri
1PM - 5PM
22 May 2026
- N 10 knots.
- 17°C
- N 1.7m at 6s period
- UV Index: 1 - Low
- Cloudy
Fri
5PM - 9PM
22 May 2026
- N 10 knots decreasing to 2 knots.
- 16°C
- N 1.8m at 7s period
- UV Index: 0 - Low
- Cloudy
Fri
9PM - 5AM
22 May 2026
- S 2–6 knots.
- 14 to 17°C
- N 1.5-1.8m at 7s period
- UV Index: 0 - Low
- Cloudy
Sat
5AM - 9AM
23 May 2026
- SE 5 knots increasing to 10 knots. Gusts up to 18 knots.
- Increasing from 16 to 20°C
- N 1.4m at 7s period
- UV Index: 1 - Low
- Cloudy
Sat
9AM - 1PM
23 May 2026
- SE 9–12 knots. Gusts up to 21 knots.
- Increasing from 20 to 23°C
- N 1.2m at 7s period
- UV Index: 9 - Very High
- Cloudy
Sat
1PM - 5PM
23 May 2026
- S 11–13 knots. Gusts up to 21 knots.
- 20 to 24°C
- N 1.0m at 6s period
- UV Index: 9 - Very High
- Cloudy
Sat
5PM - 9PM
23 May 2026
- S 11–13 knots. Gusts up to 26 knots.
- 19 to 22°C
- NE 0.9m at 6s period
- UV Index: 0 - Low
- Cloudy
Sat
9PM - 5AM
23 May 2026
- S 7–16 knots. Gusts up to 29 knots.
- 18°C
- E 0.6-0.9m at 5s period
- UV Index: 0 - Low
- Cloudy
Sun
5AM - 9AM
24 May 2026
- S 7–12 knots. Gusts up to 18 knots.
- 18 to 20°C
- NE 0.5m at 5s period
- UV Index: 0 - Low
- Chance of showers
Sun
9AM - 1PM
24 May 2026
- S 7–13 knots. Gusts up to 18 knots.
- 19 to 21°C
- NE 0.4m at 5s period
- UV Index: 8 - Very High
- Chance of showers
Sun
1PM - 5PM
24 May 2026
- SE 7–10 knots.
- 19 to 22°C
- Calm sea
- UV Index: 8 - Very High
- Cloudy
Sun
5PM - 9PM
24 May 2026
- SE 5–7 knots.
- 18 to 21°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Sun
9PM - 5AM
24 May 2026
- SE 3–7 knots veering N 3-7 knots.
- 17 to 20°C
- Calm sea
- UV Index: 0 - Low
- Partly cloudy
Mon
5AM - 9AM
25 May 2026
- N 4–6 knots.
- Increasing from 16 to 20°C
- Calm sea
- Partly cloudy
Mon
9AM - 1PM
25 May 2026
- N 5 knots increasing to 9 knots.
- 20 to 24°C
- Calm sea
- Sunny
Mon
1PM - 5PM
25 May 2026
- N 9 knots decreasing to 6 knots.
- 20 to 24°C
- NE 0.6m at 3s period
- Sunny
Mon
5PM - 9PM
25 May 2026
- Light and variable.
- Decreasing from 20 to 11°C
- NE 0.4m at 3s period
- Mostly fine
Mon
9PM - 5AM
25 May 2026
- Light and variable.
- 9 to 18°C
- Calm sea
- Mostly fine
Tue
5AM - 9AM
26 May 2026
- S 3–8 knots.
- Increasing from 17 to 26°C
- Calm sea
- Partly cloudy
Tue
9AM - 1PM
26 May 2026
- SW 7 knots increasing to NE 9 knots.
- 26 to 28°C
- Calm sea
- Cloudy
Tue
1PM - 5PM
26 May 2026
- N 8 knots decreasing to 5 knots.
- Decreasing from 27 to 24°C
- Calm sea
- Cloudy
Tue
5PM - 9PM
26 May 2026
- Light and variable.
- Decreasing from 22 to 18°C
- Calm sea
- Cloudy
Tue
9PM - 5AM
26 May 2026
- S 2–8 knots.
- 16 to 22°C
- Calm sea
- Cloudy
Wed
5AM - 9AM
27 May 2026
- S 4–10 knots. Gusts up to 19 knots.
- Increasing from 20 to 24°C
- E 0.4m at 3s period
- Chance of showers
Wed
9AM - 1PM
27 May 2026
- S 12 knots increasing to 19 knots. Gusts up to 30 knots.
- Decreasing from 24 to 21°C
- E 0.4m at 3s period
- Chance of showers
Wed
1PM - 5PM
27 May 2026
- SE 8–17 knots.
- 21 to 26°C
- NE 0.7m at 4s period
- Chance of showers
Wed
5PM - 9PM
27 May 2026
- S 19 knots decreasing to 7 knots. Gusts up to 28 knots.
- 20°C
- NE 0.6m at 4s period
- Chance of showers
Wed
9PM - 5AM
27 May 2026
- S 2–19 knots veering W 2-19 knots.
- 18 to 21°C
- NE 0.5m at 4s period
- Cloudy
Thu
5AM - 9AM
28 May 2026
- W 25 knots decreasing to 14 knots. Gusts up to 38 knots.
- 19°C
- NE 0.4m at 4s period
- Chance of showers
Thu
9AM - 1PM
28 May 2026
- W 3–24 knots. Gusts up to 28 knots.
- 19°C
- NE 0.4m at 4s period
- Chance of showers
Thu
1PM - 5PM
28 May 2026
- 4–15 knots.
- 20 to 24°C
- NE 0.5m at 3s period
- Partly cloudy
Thu
5PM - 9PM
28 May 2026
- SW 13 knots decreasing to 7 knots. Gusts up to 21 knots.
- 19°C
- NE 0.4m at 3s period
- Mostly fine
Thu
9PM - 5AM
28 May 2026
- S 3–10 knots.
- 19°C
- Calm sea
- Mostly fine
Fri
5AM - 9AM
29 May 2026
- SW 8 knots veering W 8 knots.
- 19 to 23°C
- NW 0.5m at 3s period
- Mostly fine
Fri
9AM - 1PM
29 May 2026
- W 6–9 knots.
- 19 to 23°C
- NW 0.5m at 3s period
- Cloudy
Fri
1PM - 5PM
29 May 2026
- NW 7–11 knots.
- 20 to 22°C
- NW 0.6m at 3s period
- Chance of showers
Fri
5PM - 9PM
29 May 2026
- Light and variable.
- 18°C
- W 0.6m at 4s period
- Cloudy
Fri
9PM - 5AM
29 May 2026
- NW 2 knots increasing to S 6 knots.
- 15 to 19°C
- NW 0.6m at 4s period
- Cloudy
Sat
5AM - 9AM
30 May 2026
- E 3–6 knots backing NW 3-6 knots.
- 19°C
- NW 0.4m at 4s period
- Chance of showers
Sat
9AM - 1PM
30 May 2026
- NW 3–6 knots.
- 19°C
- NW 0.4m at 4s period
- Cloudy