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 80%
Saturday 5 september Saturday 5 sep
METEO CONSULT Run : 5/09 03Z Mesh : 1km Updated, 11min 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
40
30
20
10
0
10
5
0
20
15
10
5
10
5
0
1
0.5
0
3
0
30
25
20
15
10
90
80
70
60
50
  • Sun 6
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  • 23h
  • 00h
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  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
Run : 5/09 03Z Mesh : 1km Updated, 11min ago Update in 3h
  • Sun 6
  • 08h
  • 09h
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  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 315° NW NW
  • 320° NW NW
  • 320° NW NW
  • 320° NW NW
  • 325° NW NW
  • 315° NW NW
  • 315° NW NW
  • 310° NW NW
  • 325° NW NW
  • 335° NW NNW
  • 355° N N
  • 10° N N
  • 20° N NNE
  • 20° N NNE
  • 30° NE NNE
  • 65° NE ENE
  • 75° E ENE
  • 85° E E
  • 95° E E
  • 100° E E
  • 110° E ESE
  • 120° SE ESE
  • 125° SE ESE
  • 125° SE SE
  • 10 18 5 11 3
  • 9 16 4 10 3
  • 8 15 4 9 3
  • 6 12 3 7 3
  • 6 11 3 7 2
  • 5 10 3 6 2
  • 5 9 3 6 2
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  • 5 10 3 6 2
  • 5 10 3 6 2
  • 6 12 3 7 3
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  • 8 14 4 9 3
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  • 11 21 6 13 4
  • 11 21 6 13 4
  • 10 19 5 12 3
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  • 11 20 6 12 4
  • 15 27 8 17 4
  • 13 25 7 16 4
  • 12 22 6 14 4
  • 11 21 6 13 4
  • 10 18 5 11 3
  • 9 17 5 11 3
  • 9 16 4 10 3
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  • 10 18 5 11 3
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  • 11 21 6 13 4
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  • 16 29 8 18 5
  • 16 30 8 19 5
  • 15 28 8 17 4
  • 13 25 7 16 4
  • 12 23 6 14 4
  • 12 23 6 14 4
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  • 13 25 7 16 4
  • 15 27 8 17 4
  • 0.7
  • 0.6
  • 0.6
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  • 0.6
  • 0.6
  • 0.5
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  • 0.5
  • 0.5
  • 0.5
  • 0.2
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.1
  • 0.2
  • 0.2
  • 270° W W
  • 270° W W
  • 275° W W
  • 275° W W
  • 275° W W
  • 280° W W
  • 275° W W
  • 275° W W
  • 270° W W
  • 270° W W
  • 265° W W
  • 265° W W
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  • 270° W W
  • 270° W W
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  • 270° W W
  • 275° W W
  • 275° W W
  • 275° W W
  • 275° W W
  • 285° W WNW
  • 280° W W
  • 280° W W
  • 0.6
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  • 0.5
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  • 0.4
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  • 0.4
  • 7
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  • 4.8
  • 5.4
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  • >20
  • >20
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  • 1023
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  • 1
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Forecasts established in local time
Caption   Glossary

Expert opinion

For Port Marie :
No gale warning.

The reliability of the situation is assessed at 80%.

Fairly cloudless skies becoming changeable during the morning, sunny despite some high cloud in the afternoon. No precipitation. In the evening, clear skies.
NW force 3 becoming force 2 in the middle of the day then NNE force 4. Gusts reaching 16 knots in the evening. Slight sea becoming smooth to slight in the middle of the day. 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)
08h
310
25
30
-
-
0
07h
310
23
31
-
-
0
06h
310
26
33
-
-
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Iles Chausey (Grande-Ile)

48
High tide 00h49 10.3m
Low tide 07h52 4.82m
43
High tide 13h21 10.07m
Low tide 20h34 5.11m
© METEOCONSULT 2026 - Local times
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