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

Mon

19

-

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

Tue

20

-

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

Wed

21

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

Thu

22

-

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

Fri

23

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

Sat

24

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

Sun

25

-

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

Mon

26

-

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

Tue

27

-

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

Wed

28

-

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

Thu

29

-

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

Fri

30

-

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

Sat

31

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

Sun

01

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

Mon

02

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

BULLETIN

(established in local time)

Reliability 90%

Wind alert - Warning strong breeze offshore.

Monday 19 may

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)

30

20

10

0

50

40

30

20

10

15

10

5

0

40

30

20

10

0

10

5

0

1

0.5

0

3

0

25

20

15

10

5

80

70

60

50

40

Tue 20

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

50° NE NE
40° NE NE
35° NE NE
25° NE NNE
25° NE NNE
30° NE NNE
25° NE NNE
25° NE NNE
25° NE NNE
25° NE NNE
25° NE NNE
35° NE NNE
30° NE NNE
25° NE NNE
20° N NNE
10° N N
10° N N
5° N N
360° N N
0° N N
5° N N
5° N N
10° N N
5° N N

9 16 4 10 3
10 18 5 11 3
10 19 5 12 3
11 20 6 12 4
13 24 7 15 4
17 32 9 20 5
18 33 9 21 5
17 31 9 19 5
15 28 8 17 4
13 25 7 16 4
12 22 6 14 4
12 22 6 14 4
10 19 5 12 3
9 16 4 10 3
7 13 4 8 3
6 12 3 7 3
7 13 4 8 3
7 13 4 8 3
8 14 4 9 3
8 15 4 9 3
8 15 4 9 3
8 14 4 9 3
8 14 4 9 3
8 14 4 9 3

13 25 7 16 4
15 27 8 17 4
15 27 8 17 4
16 30 8 19 5
19 36 10 22 5
25 46 13 29 6
26 48 13 30 6
25 46 13 29 6
24 44 12 27 6
22 40 11 25 6
19 36 10 22 5
17 32 9 20 5
16 30 8 19 5
14 26 7 16 4
11 21 6 13 4
10 18 5 11 -
10 19 5 12 -
11 20 6 12 4
11 20 6 12 4
11 21 6 13 4
11 21 6 13 4
11 21 6 13 4
12 22 6 14 4
12 22 6 14 4

0.5
0.4
0.4
0.4
0.4
0.6
0.8
0.9
0.9
0.8
0.8
0.7
0.7
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5

1
0.9
0.8
0.8
0.9
1.3
1.6
1.7
1.7
1.6
1.6
1.5
1.4
1.3
1.2
1.1
1
1
1.1
1
1
1
1
1

0.2
0.2
0.2
0.3
0.4
0.6
0.8
0.9
0.9
0.8
0.7
0.7
0.6
0.5
0.3
0.2
0.1
0.1
0.1
0.1
0.2
0.2
0.3
0.2

20° N NNE
15° N NNE
10° N N
185° S S
165° S SSE
280° W W
270° W W
285° W WNW
325° NW NW
335° NW NNW
345° N NNW
350° N N
5° N N
15° N NNE
15° N NNE
15° N NNE
15° N NNE
15° N NNE
20° N NNE
20° N NNE
20° N NNE
15° N NNE
10° N NNE
15° N NNE

0.4
0.4
0.3
0.3
0.1
0.1
0.1
0.1
0.2
0.2
0.2
0.3
0.3
0.3
0.5
0.5
0.5
0.4
0.5
0.5
0.4
0.4
0.4
0.4

4
4
4
4
5
6
6
5
5
5
5
5
5
4
4
4
4
4
4
4
4
4
5
4

20
20
20
20
15
20
25
30
30
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25

8.8
9.2
8.9
8.1
7.0
5.8
4.8
4.2
4.2
4.9
6.1
7.4
8.6
9.1
9.1
8.5
7.5
6.3
5.2
4.4
4.0
4.2
5.0
6.2

14 56
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57

0
0
5
5
0
5
5
5
5
5
5
5
5
0
0
10
5
10
15
20
25
25
30
35

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

1016
1017
1016
1016
1016
1016
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019

4
5
6
6
6
5
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2

15 58
16 60
16 61
17 63
18 65
17 63
17 63
17 62
16 61
16 60
15 59
14 57
13 56
13 55
12 53
11 53
10 50
9 49
11 51
11 52
11 53
13 55
14 57
15 58

19 66
20 69
20 67
21 70
21 70
19 66
17 63
16 61
15 58
13 56
11 53
10 49
10 49
9 49
9 49
9 48
8 46
7 44
8 46
8 47
9 48
11 52
13 56
16 60

16 30 5 8 19
17 32 5 9 20
16 29 5 8 18
19 35 5 10 22
18 34 5 9 21
18 34 5 9 21
17 32 5 9 20
16 30 5 8 19
14 26 4 7 16
13 25 4 7 16
13 25 4 7 16
12 23 4 6 14
13 25 4 7 16
14 26 4 7 16
13 25 4 7 16
12 23 4 6 14
12 23 4 6 14
12 23 4 6 14
12 22 4 6 14
11 21 4 6 13
11 21 4 6 13
12 22 4 6 14
10 19 3 5 12
9 16 3 4 10

0.7
0.7
0.7
0.7
0.8
0.8
0.8
0.8
0.8
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.8
0.7
0.7
0.7
0.7
0.7

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

Expert opinion

An easterly and mostly variable flow prevails over the whole area.

For Saint-Cast :
Warning strong breeze offshore.

We are 90% sure of the situation, because the cloud system may be more intense than predicted.

A few fair-weather cumulus clouds in the morning, sunny despite some high cloud in the afternoon. No precipitation. In the evening, skies with few clouds.
NE force 4 in the morning becoming NNE force 5 in the middle of the day. Gusts reaching 26 knots in the middle of the day. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from NNE then from W in the middle of the day then from WNW. Excellent visibility.

Tides at Saint-Cast

47

Low tide 06h18 3.66m

High tide 11h57 9.22m

Low tide 18h35 4.15m

www.shom.fr - © SHOM 2025

Consult the tides for May

Mon

19

-

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

Tue

20

-

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

Wed

21

-

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

Thu

22

-

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

Fri

23

-

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

Sat

24

-

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

Sun

25

-

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

Mon

26

-

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

Tue

27

-

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

Wed

28

-

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

Thu

29

-

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

Fri

30

-

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

Sat

31

-

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

Sun

01

-

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

Mon

02

-

- 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