Weather Mouillage de Saint-Cast - Detailed bulletin - Free 15-day Marine forecasts

Saint-Cast-le-Guildo FRALon : -2°14’,724 W Lat : 48°38’,442 N Alt : 2m

Thu

21

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Fri

22

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Sat

23

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Sun

24

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Mon

25

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Tue

26

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Wed

27

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Thu

28

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Fri

29

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Sat

30

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Sun

31

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Mon

01

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Tue

02

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Wed

03

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Thu

04

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BULLETIN

Reliability 85%

No gale warning.

No weather risk at the spot

Thursday 21 may

METEO CONSULT Run : 21/05 00Z Mesh : 1km Updated, 33min ago Update in 5h

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

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 (mm)

Type of precipitation

Risks:

Precipitation risk (%)

Storm risk. (%)

Brightness:

Visibility (km)

Pressure (hPa)

UV

Temperature

Air temp

Perceived temp

Air temp

Perceived temp

20

15

10

5

0

30

20

10

0

10

5

0

20

15

10

5

0

5

0

0.5

0

3

0

40

30

20

10

100

90

80

70

60

50

                                    
                                                                         Fri 22
                                                            
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                        Run : 21/05 00Z
                Mesh : 1km
                Updated, 33min ago
                Update in 5h

Fri 22

18h
19h
20h
21h
22h
23h
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
10h
11h
12h
13h
14h
15h
16h
17h

80° E E
95° E E
150° SE SSE
130° SE SE
125° SE SE
140° SE SE
145° SE SE
145° SE SE
150° SE SSE
150° SE SSE
160° S SSE
165° S SSE
165° S SSE
170° S SSE
165° S SSE
165° S SSE
160° S SSE
155° SE SSE
140° SE SE
145° SE SE
150° SE SSE
150° SE SSE
150° SE SSE
160° S SSE

6 12 3 7 3
5 10 3 6 2
6 11 3 7 2
3 6 2 4 2
4 7 2 4 2
5 9 3 6 2
5 10 3 6 2
6 11 3 7 2
5 10 3 6 2
6 11 3 7 2
6 11 3 7 2
5 10 3 6 2
6 12 3 7 3
6 12 3 7 3
5 10 3 6 2
5 10 3 6 2
5 10 3 6 2
5 10 3 6 2
5 9 3 6 2
5 10 3 6 2
5 10 3 6 2
6 12 3 7 3
8 14 4 9 3
9 17 5 11 3

14 26 7 16 4
12 22 6 14 4
11 21 6 13 4
9 16 4 10 3
7 13 4 8 3
8 14 4 9 3
8 15 4 9 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 3
10 18 5 11 3
10 18 5 11 3
10 19 5 12 3
10 19 5 12 3
10 18 5 11 3
10 18 5 11 3
10 19 5 12 3
11 20 6 12 4
11 21 6 13 4
12 22 6 14 4
12 23 6 14 4
12 23 6 14 4
13 25 7 16 4
15 28 8 17 4

0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

10° N N
10° N NNE
15° N NNE
15° N NNE
15° N NNE
10° N N
5° N N
5° N N
5° N N
5° N N
5° N N
5° N N
10° N N
10° N N
15° N NNE
15° N NNE
15° N NNE
15° N NNE
15° N NNE
5° N N
5° N N
5° N N
5° N N
10° N N

0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.1
0.2
0.1
0.2
0.2
0.2
0.2
0.2
0.2
0.2

9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
10
10
10
10
10
10
10
10

140
140
130
130
130
130
130
140
140
140
140
140
140
140
140
150
160
170
170
170
170
180
180
180

2.7
3.2
4.8
7.0
9.2
10.5
10.7
10.0
8.7
7.0
5.2
3.7
2.8
2.7
3.6
5.4
7.5
9.2
10.0
9.9
9.0
7.7
6.1
4.6

15 60
16 60
16 60
16 60
15 60
15 60
15 59
15 59
15 59
15 58
15 58
14 58
14 58
14 57
14 57
14 57
14 57
14 57
14 58
15 58
15 59
15 59
15 60
16 60

0
0
10
10
10
25
20
5
5
5
0
0
0
0
0
5
5
5
0
0
5
5
5
5

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
15
15
15
15
15
>20
>20
>20
>20
>20
>20
>20
>20
>20

1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023

2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
4
5
6
7
6
5
4

19 66
20 67
21 70
21 69
19 66
18 64
17 63
17 62
16 61
16 61
16 60
15 59
15 59
14 57
15 59
18 64
20 67
21 71
23 73
24 76
25 77
26 78
26 79
26 80

22 71
21 69
24 75
23 74
17 63
16 61
15 59
15 58
14 58
14 57
13 56
13 56
13 55
12 53
14 57
18 65
22 71
28 82
31 87
33 91
34 93
34 94
34 93
33 91

Forecasts established in local time
Caption Glossary

Expert opinion

For Mouillage de Saint-Cast :
No gale warning.

We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.

In the evening, skies with few clouds.
SE wind force 3. Gusts reaching 14 knots in the evening. Smooth sea. Low, fairly long swell from N. Excellent visibility.

semaphore stations

Station Dinard located 14 km from Mouillage de Saint-Cast

	WIND			WEATHER
Local time	Dir. (°)	Speed (nd)	Gust (nd)	Temp. (°C)	Pressure (hPa)	Visibility (M)
18h	160	17	31	24.2	1024	13
17h	140	15	35	24	1024	11
16h	130	16	33	23.4	1024	11

observation.semaphores_link

Météo France - RADOME

observation.semaphore_link

Tides at Saint-Cast

76

Low tide 05h50 2m

High tide 11h23 10.78m

70

Low tide 18h06 2.67m

High tide 23h38 10.79m

www.shom.fr - © SHOM 2026 - Local times

Consult the tides for May

Go further

Thu

21

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- nd - km/h - bft - m/s - mph

Fri

22

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- nd - km/h - bft - m/s - mph

Sat

23

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- nd - km/h - bft - m/s - mph

Sun

24

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- nd - km/h - bft - m/s - mph

Mon

25

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- nd - km/h - bft - m/s - mph

Tue

26

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- nd - km/h - bft - m/s - mph

Wed

27

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- nd - km/h - bft - m/s - mph

Thu

28

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- nd - km/h - bft - m/s - mph

Fri

29

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- nd - km/h - bft - m/s - mph

Sat

30

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- nd - km/h - bft - m/s - mph

Sun

31

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- nd - km/h - bft - m/s - mph

Mon

01

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- nd - km/h - bft - m/s - mph

Tue

02

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- nd - km/h - bft - m/s - mph

Wed

03

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- nd - km/h - bft - m/s - mph

Thu

04

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- nd - km/h - bft - m/s - mph

* +33 1 77 86 86 86: short number of forecasts for France accessible from France - €2.99 per call** 0899 70 12 34: number of forecasts for France and the World accessible from France - €2.99 per call

Weather anchorage Mouillage de Saint-Cast

BULLETIN

Wind

Waves

Weather

Temperature

Expert opinion

semaphore stations

Tides at Saint-Cast

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