Weather anchorage Port Marie

Granville FRALon : -1°49’,713 W Lat : 48°52’,44 N Alt : 5m
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Weather Risk Briefing
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BULLETIN

Reliability 75%
Saturday 4 july Saturday 4 jul
METEO CONSULT Run : 3/07 18Z Mesh : 1km Updated, 18min ago Update in 3h

Wind

Average winds Average winds
Gusts
10m above ground level:
Direction
Speed
Gusts

Waves

Total sea (m) (m)
Swell height Swell (m) (m)
legend.title.wave_height
Total sea (m)
legend.title.wind_sea
Wind (m)
legend.title.swell
Swell direction
Swell height (m)
Swell period (s)
Wave length (m)
High tide (m)
Sea temp

Weather

Rain (mm) (mm)
Clouds:
Cloud cover (%)
Precipitation:
Amount of precipitation Amount of precipitation (mm)
Type of precipitation Type of precipitation
Risks:
Precipitation risk Precipitation risk (%)
Storm risk. (%)
Brightness:
Visibility (km)
Pressure (hPa)
UV

Temperature

Air temp Air temp
Perceived temp
Air temp
Perceived temp
20
15
10
5
35
30
25
20
15
10
5
0
20
15
10
5
10
5
0
1
0.5
0
3
0
30
25
20
15
10
80
70
60
50
  • Sun 5
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Run : 3/07 18Z Mesh : 1km Updated, 18min ago Update in 3h
  • Sun 5
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  • 340° N NNW
  • 330° NW NNW
  • 315° NW NW
  • 315° NW NW
  • 310° NW NW
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  • 300° NW WNW
  • 305° NW NW
  • 305° NW NW
  • 310° NW NW
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  • 295° NW WNW
  • 295° NW WNW
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  • 305° NW NW
  • 305° NW NW
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  • 305° NW NW
  • 305° NW NW
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  • 305° NW NW
  • 305° NW NW
  • 8 15 4 9 3
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  • 0.4
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  • 275° W W
  • 275° W W
  • 270° W W
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  • 275° W W
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  • 270° W W
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  • 265° W W
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  • 270° W W
  • 275° W W
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  • 270° W W
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  • 0.4
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Forecasts established in local time
Caption   Glossary

Expert opinion

For Port Marie :
No gale warning.

We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.

Very cloudy. But clear spells will become more and more widespread. No precipitation. In the evening, lots of good clear periods.
No precipitation. NW force 3 becoming WNW force 4 in the middle of the day then NW. Gusts reaching 17 knots in the evening. Smooth to slight sea. Low, short swell from W. Excellent visibility.

semaphore stations

Station Granville located 16 km from Port Marie
WIND
WEATHER
Local time Dir.
(°)
Speed
(nd)
Gust
(nd)
Temp.
(°C)
Pressure
(hPa)
Visibility
(M)
00h
0
11
22
-
-
0
23h
340
19
28
-
-
0
22h
340
23
34
-
-
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Iles Chausey (Grande-Ile)

70
Low tide 05h24 3.1m
High tide 10h42 11.56m
69
Low tide 17h35 3.43m
High tide 22h56 11.77m
© METEOCONSULT 2026 - Local times
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