Weather Saint-Cast-le-Guildo - Detailed bulletin - Free 15-day Marine forecasts

Saint-Cast-le-Guildo FRALongitude : -2°14’,7 W Latitude : 48°38’,298 N Altitude : 0m

Sun

07

-

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

Mon

08

-

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

Tue

09

-

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

Wed

10

-

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

Thu

11

-

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

Fri

12

-

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

Sat

13

-

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

Sun

14

-

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

Mon

15

-

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

Tue

16

-

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

Wed

17

-

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

Thu

18

-

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

Fri

19

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

Sat

20

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

Sun

21

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

BULLETIN

(established in local time)

Reliability 85%

Wind alert - Warning moderate gale offshore.

Sunday 7 december

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell height (m) (m)

Total sea (m)

Total wave height (m)

Wind (m)

Swell direction

Swell height (m)

Swell period (s)

Wave length (m)

High tide (m)

Sea temp

Weather

Rain (mm) (mm)

Cloud cover(%)

Amount of precipitation(mm)

Type of precipitation

Precipitation risk(%)

Visibility(km)

Pressure(hPa)

UV

Temperature

Air temp

Perceived temp

Air temp

Perceived temp

Offshore

Offshore wind

Offshore sea (m)

40

30

20

10

0

70

60

50

40

30

20

10

20

15

10

5

0

50

40

30

20

10

5

0

1.5

1

0.5

3

0

20

15

10

5

60

55

50

45

Mon 8

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

215° SW SSW
220° SW SW
225° SW SW
220° SW SW
220° SW SW
215° SW SW
220° SW SW
220° SW SW
220° SW SW
220° SW SW
220° SW SW
225° SW SW
225° SW SW
235° SW SW
235° SW SW
230° SW SW
225° SW SW
225° SW SW
215° SW SW
205° SW SSW
200° S SSW
200° S SSW
200° S SSW
200° S SSW

13 24 7 15 4
15 27 8 17 4
16 30 8 19 5
16 30 8 19 5
17 32 9 20 5
18 34 9 21 5
19 36 10 22 5
21 38 11 24 5
21 39 11 24 6
20 37 10 23 5
19 36 10 22 5
17 32 9 20 5
16 29 8 18 5
12 23 6 14 4
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
9 16 4 10 3
9 17 5 11 3
10 18 5 11 3
11 20 6 12 4
12 23 6 14 4
13 24 7 15 4
12 23 6 14 4

25 46 13 29 6
28 51 14 32 7
29 54 15 34 7
29 53 15 33 7
30 56 16 35 7
32 60 17 37 7
33 61 17 38 7
35 65 18 40 8
36 66 18 41 8
35 65 18 40 8
34 63 18 39 8
32 60 17 37 7
29 54 15 34 7
26 48 13 30 6
23 42 12 26 6
18 34 9 21 5
18 34 9 21 5
18 33 9 21 5
16 30 8 19 5
17 32 9 20 5
18 34 9 21 5
22 40 11 25 6
24 44 12 27 6
23 42 12 26 6

0.9
0.8
0.8
0.8
0.8
0.8
0.9
1
1
0.9
0.9
0.8
0.7
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.6
0.6
0.6

1.7
1.6
1.6
1.6
1.6
1.6
1.8
1.8
1.8
1.8
1.7
1.6
1.5
1.4
1.4
1.4
1.3
1.3
1.3
1.2
1.2
1.2
1.2
1.1

0.2
0.2
0.3
0.3
0.4
0.4
0.6
0.7
0.7
0.7
0.6
0.5
0.4
0.3
0.3
0.2
0.2
0.1
0.1
0.1
0.2
0.2
0.2
0.2

310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW

0.8
0.8
0.8
0.7
0.7
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.5

12
12
12
12
12
11
11
11
10
10
11
10
10
10
10
10
10
10
10
9
9
9
9
9

210
200
190
170
150
120
90
80
70
70
70
90
100
110
130
140
140
140
140
130
120
110
110
110

10.5
12.0
12.0
10.9
9.0
6.8
4.5
2.7
1.7
1.8
3.4
6.0
8.8
10.9
11.7
11.2
9.7
7.7
5.5
3.6
2.3
2.1
3.3
5.6

12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 53
12 53
12 53
12 53
12 53
12 54

100
100
100
100
100
100
100
100
100
100
100
100
100
100
80
55
75
65
55
50
80
85
100
100

1.2
0.7
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

100
100
30
35
55
40
30
0
0
20
30
40
30
20
0
0
0
0
0
0
0
0
0
0

10
15
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1004
1005
1005
1006
1006
1006
1006
1006
1005
1005
1006
1006
1007
1008
1009
1010
1010
1011
1011
1011
1011
1011
1011
1011

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

14 56
14 57
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 58
15 58
14 57
14 57
13 56
13 55
12 54
12 54
13 55
13 55
13 55
13 56

10 49
10 49
9 49
10 49
9 49
9 49
9 49
9 49
9 49
9 48
9 48
9 49
10 49
10 50
10 51
10 50
10 49
10 50
9 48
9 48
9 48
8 47
9 47
9 48

18 34 5 9 21
19 36 5 10 22
19 36 5 10 22
21 39 6 11 24
21 39 6 11 24
23 42 6 12 26
23 43 6 12 27
24 45 6 13 28
25 46 6 13 29
23 43 6 12 27
22 41 6 11 25
21 38 5 11 24
17 31 5 9 19
13 25 4 7 16
12 22 4 6 14
12 22 4 6 14
12 23 4 6 14
13 24 4 7 15
12 22 4 6 14
13 25 4 7 16
15 28 4 8 17
15 28 4 8 17
16 30 5 8 19
16 29 5 8 18

1.3
1.2
1.2
1.3
1.3
1.4
1.4
1.5
1.5
1.4
1.3
1.3
1.2
1.1
1.1
1
0.9
0.9
0.8
0.8
0.8
0.8
0.8
0.8

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Last updated 30min ago | Next update in 3h
Caption

Expert opinion

A southwesterly, very strong and variable flow prevails over the whole area.

For Saint-Cast-le-Guildo :
Warning moderate gale offshore.

We are 85% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will fall.

Overcast skies. Light rain followed by showers in the morning, possibility of showers in the afternoon. In the evening, very cloudy skies to overcast.
Chance of light rain. SW force 5 in the morning temporarily force 6 in the middle of the day. Gusts reaching 36 knots in the middle of the day. Slight sea. Low, fairly long swell from NW. Poor visibility becoming excellent in the middle of the day.

Tides at Saint-Cast

95

Low tide 02h59 1.7m

High tide 08h26 12.15m

92

Low tide 15h29 1.57m

High tide 20h59 11.69m

www.shom.fr - © SHOM 2025

Consult the tides for December

Sun

07

-

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

Mon

08

-

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

Tue

09

-

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

Wed

10

-

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

Thu

11

-

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

Fri

12

-

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

Sat

13

-

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

Sun

14

-

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

Mon

15

-

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

Tue

16

-

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

Wed

17

-

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

Thu

18

-

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

Fri

19

-

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

Sat

20

-

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

Sun

21

-

- 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 port Saint-Cast-le-Guildo

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Cast