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

Tue

25

-

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

Wed

26

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

Thu

27

-

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

Fri

28

-

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

Sat

29

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

Sun

30

-

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

Mon

01

-

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

Tue

02

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

Wed

03

-

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

Thu

04

-

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

Fri

05

-

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

Sat

06

-

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

Sun

07

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

Mon

08

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

Tue

09

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

BULLETIN

(established in local time)

Reliability 80%

Wind alert - Warning strong breeze offshore.

Tuesday 25 november

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

60

50

40

30

20

15

10

5

40

30

20

10

5

0

5

0

3

0

15

10

5

0

55

50

45

40

35

Wed 26

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

345° N NNW
345° N NNW
345° N NNW
345° N NNW
345° N NNW
350° N N
350° N N
350° N N
345° N NNW
355° N N
355° N N
345° N NNW
345° N NNW
340° N NNW
340° N NNW
340° N NNW
345° N NNW
345° N NNW
350° N N
355° N N
0° N N
5° N N
0° N N
355° N N

20 37 10 23 5
19 36 10 22 5
20 37 10 23 5
19 35 10 22 5
19 36 10 22 5
19 35 10 22 5
18 34 9 21 5
18 33 9 21 5
16 30 8 19 5
16 30 8 19 5
16 30 8 19 5
15 28 8 17 4
17 31 9 19 5
16 30 8 19 5
16 29 8 18 5
15 28 8 17 4
15 28 8 17 4
15 28 8 17 4
15 28 8 17 4
15 27 8 17 4
15 27 8 17 4
14 26 7 16 4
12 23 6 14 4
11 21 6 13 4

30 55 15 34 7
30 56 16 35 7
29 54 15 34 7
28 51 14 32 7
29 53 15 33 7
27 50 14 31 7
27 50 14 31 7
26 48 13 30 6
24 45 13 28 6
25 46 13 29 6
25 46 13 29 6
26 48 13 30 6
25 46 13 29 6
24 45 13 28 6
23 42 12 26 6
22 40 11 25 6
21 39 11 24 6
21 39 11 24 6
21 38 11 24 5
21 38 11 24 5
20 37 10 23 5
19 36 10 22 5
18 34 9 21 5
17 31 9 19 5

1.6
1.5
1.5
1.5
1.4
1.4
1.4
1.3
1.2
1.1
1.1
1
1.1
1.1
1.1
1
1
1
1
1
1
0.9
0.8
0.7

2.8
2.7
2.6
2.6
2.6
2.6
2.5
2.4
2.3
2.1
2
2
2
2
2
2
2
1.9
1.9
1.9
1.8
1.8
1.5
1.4

1.5
1.4
1.4
1.4
1.4
1.4
1.3
1.1
1
1
0.9
0.9
0.9
1
0.9
0.9
0.9
1
0.9
0.9
0.8
0.8
0.5
0.4

40° NE NE
180° S S
270° W W
195° S SSW
190° S S
190° S S
285° W WNW
195° S SSW
190° S S
185° S S
185° S S
185° S S
180° S S
185° S S
185° S S
185° S S
185° S S
185° S S
290° W WNW
290° W WNW
290° W WNW
295° NW WNW
345° N NNW
345° N NNW

0.1
0.3
0.4
0.3
0.3
0.3
0.3
0.6
0.6
0.6
0.5
0.5
0.4
0.4
0.5
0.4
0.4
0.3
0.5
0.4
0.5
0.4
0.6
0.6

5
6
7
6
6
6
7
5
5
5
5
5
5
5
5
5
5
5
7
7
5
5
5
5

60
60
50
50
50
50
50
45
45
45
45
40
40
40
40
40
40
35
35
35
35
35
30
35

3.8
3.5
4.2
5.8
7.6
9.3
10.2
10.1
9.4
8.1
6.6
5.1
4.0
3.5
3.8
4.9
6.6
8.3
9.5
9.8
9.4
8.3
7.0
5.6

13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55

80
0
90
80
90
70
80
85
80
75
65
85
35
60
75
70
60
70
35
75
80
50
75
40

0
0
0
0
0
0
0
0.6
0.6
0.3
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0

-
-
-
-
-
-
-
-
-

20
35
40
45
30
30
40
50
60
55
50
45
35
25
20
0
0
0
0
0
0
0
0
0

>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1008
1009
1009
1010
1011
1012
1013
1014
1014
1015
1015
1016
1016
1017
1018
1018
1019
1019
1020
1021
1021
1021
1022
1022

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

10 50
10 51
10 50
10 50
10 49
10 49
10 49
10 49
9 49
10 49
10 50
10 49
10 49
10 50
10 49
10 49
10 49
10 49
10 49
10 49
10 49
9 49
9 49
9 48

4 39
4 39
4 38
4 38
3 38
4 38
4 38
4 39
5 40
6 42
6 43
6 43
6 42
5 42
5 40
4 40
5 40
5 40
4 40
5 40
5 40
5 40
5 41
5 41

25 46 6 13 29
24 44 6 12 27
25 46 6 13 29
24 45 6 13 28
24 45 6 13 28
23 43 6 12 27
23 42 6 12 26
22 40 6 11 25
22 40 6 11 25
21 38 5 11 24
21 38 5 11 24
21 38 5 11 24
20 37 5 10 23
20 37 5 10 23
20 37 5 10 23
20 37 5 10 23
20 37 5 10 23
20 37 5 10 23
19 36 5 10 22
19 36 5 10 22
18 34 5 9 21
17 31 5 9 19
15 28 4 8 17
14 26 4 7 16

2.1
2
1.9
1.9
1.8
1.8
1.7
1.7
1.6
1.6
1.5
1.6
1.5
1.5
1.5
1.4
1.4
1.4
1.3
1.3
1.3
1.2
1.2
1.1

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

Expert opinion

A northerly, moderate and mostly variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, moderate and mostly variable.

For Saint-Cast :
Warning strong breeze offshore.

We are 80% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.

Very cloudy. But clear spells will become more and more widespread. Some showers from late morning. In the evening, good clear periods but lots of cloud, too.
No precipitation. N force 5 in the morning becoming NNW force 4 in the evening. Gusts reaching 29 knots in the morning. Slight sea. Low, short swell from SSW. Excellent visibility.

Tides at Saint-Cast

59

Low tide 03h50 3.51m

High tide 09h23 10.28m

55

Low tide 16h15 3.48m

High tide 21h48 9.83m

www.shom.fr - © SHOM 2025

Consult the tides for November

Tue

25

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

Wed

26

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

Thu

27

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

Fri

28

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

Sat

29

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

Sun

30

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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

Fri

05

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

Sat

06

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

Sun

07

-

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

Mon

08

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

Tue

09

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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