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

Saint-Cast-le-Guildo FRALongitude : -2°15’,6 W Latitude : 48°38’,4 N Altitude : 13m

Fri

03

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

Sat

04

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Sun

05

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

Mon

06

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

Tue

07

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Wed

08

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

Thu

09

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

Fri

10

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

Sat

11

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

Sun

12

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

Mon

13

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

Tue

14

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

Wed

15

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

Thu

16

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Fri

17

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BULLETIN

(established in local time)

Reliability 85%

Wind alert - Warning fresh gale offshore.

Friday 3 october

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

80

70

60

50

40

30

20

10

20

15

10

5

50

40

30

20

10

5

0

5

0

9

6

3

0

20

15

10

5

70

60

50

40

Sat 4

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

205° SW SSW
210° SW SSW
220° SW SW
220° SW SW
225° SW SW
225° SW SW
215° SW SW
215° SW SW
210° SW SSW
215° SW SW
220° SW SW
225° SW SW
225° SW SW
225° SW SW
225° SW SW
220° SW SW
220° SW SW
225° SW SW
275° W W
270° W W
270° W W
275° W W
280° W W
275° W W

9 17 5 11 3
10 18 5 11 3
13 25 7 16 4
11 21 6 13 4
12 23 6 14 4
11 21 6 13 4
11 21 6 13 4
12 23 6 14 4
15 27 8 17 4
16 30 8 19 5
18 34 9 21 5
18 34 9 21 5
18 34 9 21 5
18 33 9 21 5
19 36 10 22 5
20 37 10 23 5
20 37 10 23 5
19 35 10 22 5
21 38 11 24 5
21 38 11 24 5
22 40 11 25 6
22 40 11 25 6
23 42 12 26 6
23 42 12 26 6

17 31 9 19 5
19 36 10 22 5
24 44 12 27 6
22 41 11 25 6
22 40 11 25 6
21 39 11 24 6
21 39 11 24 6
22 41 11 25 6
25 46 13 29 6
29 53 15 33 7
32 59 16 37 7
32 60 17 37 7
32 60 17 37 7
32 59 16 37 7
33 62 17 39 8
35 64 18 40 8
35 65 18 40 8
34 63 18 39 8
38 70 19 43 8
36 66 18 41 8
36 66 18 41 8
34 63 18 39 8
37 68 19 42 8
37 68 19 42 8

0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.5
0.5
0.6
0.6
0.7
0.8
0.8
0.8
0.8
1.2
1.3
1.4
1.7
2
2.3

0.8
0.8
0.9
0.9
0.9
0.9
0.9
0.9
0.9
1
1.1
1.2
1.2
1.4
1.5
1.6
1.6
1.6
2.2
2.4
2.6
3
3.6
4.1

0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.3
0.4
0.4
0.5
0.5
0.5
0.5
0.5
0.6
1
1.1
1.2
1.6
2
2.3

315° NW NW
320° NW NW
320° NW NW
320° NW NW
320° NW NW
320° NW NW
320° NW NW
320° NW NW
320° NW NW
320° NW NW
320° NW NW
320° NW NW
320° NW NW
320° NW NW
320° NW NW
320° NW NW
320° NW NW
320° NW NW
310° NW NW
315° NW NW
315° NW NW
320° NW NW
320° NW NW
320° NW NW

0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.4
0.5
0.6
0.6
0.4
0.7
0.7
0.7
<0.1
<0.1
<0.1

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

110
110
110
100
110
100
100
100
90
90
90
90
90
90
100
100
110
120
60
60
60
60
70
80

4.6
4.6
5.3
6.4
7.6
8.7
9.2
9.2
8.5
7.4
6.1
4.9
4.0
3.7
4.1
5.3
6.8
8.3
9.4
9.7
9.2
8.2
6.8
5.3

17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
60
75

0.5
0.3
0.3
0
0
0
0
0
0
0
0
0.1
0.1
0
0
0.1
0
1.1
2
2.2
2.1
1
0
0

-
-
-

100
100
55
35
40
30
40
30
25
20
0
55
60
0
0
65
45
75
90
90
80
50
30
20

5
10
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1015
1014
1014
1014
1013
1013
1012
1011
1011
1010
1010
1010
1009
1008
1008
1007
1006
1006
1006
1007
1008
1009
1010
1011

0
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

17 62
17 63
18 65
19 65
19 66
19 66
19 66
19 66
19 65
19 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
16 61
15 59
14 58
14 57
14 57
14 56

14 56
14 57
14 57
15 59
16 60
16 60
16 60
15 59
14 57
13 56
12 54
12 54
12 54
12 54
12 53
12 53
12 53
12 54
10 49
9 47
8 46
7 45
7 44
8 46

18 34 5 9 21
20 37 5 10 23
19 35 5 10 22
17 32 5 9 20
16 30 5 8 19
16 29 5 8 18
16 29 5 8 18
18 34 5 9 21
22 40 6 11 25
23 43 6 12 27
25 47 6 13 29
26 48 6 13 30
25 47 6 13 29
26 49 6 14 30
29 53 7 15 33
28 52 7 14 32
27 50 7 14 31
26 49 6 14 30
31 58 7 16 36
31 58 7 16 36
33 61 7 17 38
36 66 8 18 41
36 66 8 18 41
36 67 8 19 42

1.5
1.6
1.6
1.6
1.5
1.5
1.5
1.6
1.7
1.8
2
2.2
2.4
2.6
2.8
2.8
2.9
3.1
3.2
3.3
3.7
4.1
4.4
4.7

Forecasts established in local time
Last updated 1h ago | Next update in 2h
Caption

Expert opinion

A southwesterly gale prevails over the whole area.

For Saint-Cast :
Warning fresh gale offshore.

We are 85% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.

Overcast with reduced visibility in the morning, overcast skies in the afternoon. Rain in the morning, light showers dying away progressively in the afternoon. In the evening, overcast skies.
Drizzle in the early hours. SSW force 3 becoming SW force 4 in the middle of the day then force 5. Gusts reaching 32 knots in the evening. Smooth to slight sea becoming slight in the evening. Low, fairly long swell from NW. Visibility reduced by mist becoming good in the middle of the day then excellent.

Tides at Saint-Cast

42

High tide 04h58 8.67m

Low tide 11h29 4.53m

50

High tide 17h25 9.29m

Low tide 23h59 3.7m

www.shom.fr - © SHOM 2025

Consult the tides for October

Fri

03

-

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

Sat

04

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

Sun

05

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

Mon

06

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

Tue

07

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

Wed

08

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

Thu

09

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

Fri

10

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

Sat

11

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

Sun

12

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

Mon

13

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

Tue

14

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

Wed

15

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

Thu

16

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

Fri

17

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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 board sports area Saint-Cast

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Cast