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

29

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

Wed

30

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

Thu

31

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

Fri

01

-

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

Sat

02

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

Sun

03

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

Mon

04

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

Tue

05

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

Wed

06

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

Thu

07

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

Fri

08

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

Sat

09

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

Sun

10

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

Mon

11

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Tue

12

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BULLETIN

(established in local time)

Reliability 85%

No gale warning.

Tuesday 29 july

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)

20

15

10

5

40

30

20

10

15

10

5

0

25

20

15

10

5

10

5

0

1

0.5

0

3

0

25

20

15

10

70

65

60

55

Wed 30

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

300° NW WNW
305° NW WNW
310° NW NW
310° NW NW
305° NW NW
305° NW NW
300° NW WNW
295° NW WNW
290° W WNW
290° W WNW
285° W WNW
275° W W
280° W WNW
300° NW WNW
310° NW NW
310° NW NW
305° NW NW
305° NW WNW
305° NW WNW
300° NW WNW
295° NW WNW
290° W WNW
290° W WNW
295° NW WNW

9 16 4 10 3
9 16 4 10 3
9 17 5 11 3
9 16 4 10 3
9 16 4 10 3
9 16 4 10 3
8 15 4 9 3
8 15 4 9 3
8 15 4 9 3
8 14 4 9 3
7 13 4 8 3
7 13 4 8 3
8 14 4 9 3
10 18 5 11 3
11 21 6 13 4
11 21 6 13 4
11 21 6 13 4
11 21 6 13 4
11 21 6 13 4
11 20 6 12 4
11 21 6 13 4
11 21 6 13 4
11 21 6 13 4
11 20 6 12 4

13 24 7 15 4
13 24 7 15 4
13 24 7 15 4
13 25 7 16 4
13 24 7 15 4
12 23 6 14 4
13 24 7 15 4
13 24 7 15 4
13 25 7 16 4
13 24 7 15 4
12 23 6 14 4
12 23 6 14 4
14 26 7 16 4
17 31 9 19 5
19 35 10 22 5
19 35 10 22 5
18 34 9 21 5
19 35 10 22 5
18 33 9 21 5
18 33 9 21 5
18 33 9 21 5
18 33 9 21 5
17 32 9 20 5
17 31 9 19 5

0.4
0.4
0.4
0.4
0.4
0.5
0.5
0.5
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.4
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5

0.9
0.9
0.9
0.9
1
1
1
1
0.9
0.8
0.8
0.7
0.6
0.6
0.8
0.9
1
1
1.1
1.1
1.1
1.1
1.1
1

0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.1
0.1
0.1
0
0.1
0
0.2
0.2
0.3
0.4
0.4
0.4
0.3
0.3
0.3
0.5
0.3

335° NW NNW
340° N NNW
335° NW NNW
335° NW NNW
335° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
325° NW NNW
325° NW NW
335° NW NNW
335° NW NNW
335° NW NNW
290° W WNW
330° NW NNW
330° NW NNW
335° NW NNW
290° W WNW
210° SW SSW

0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.3
0.3
0.3
0.2
0.3
0.3
0.2
0.3
0.4
0.4
0.4
0.4
0.2
0.4

4
4
4
4
4
4
4
4
4
4
5
5
5
7
6
4
4
4
4
4
4
4
4
4

90
90
90
90
80
30
30
30
30
45
80
90
90
80
80
25
25
25
25
25
25
25
25
25

4.8
3.1
2.2
2.2
3.6
5.9
8.4
10.3
11.1
10.6
9.2
7.3
5.3
3.6
2.5
2.4
3.6
5.8
8.2
10.2
11.1
10.8
9.7
7.9

19 67
19 67
19 67
19 67
19 67
19 66
19 66
19 66
19 66
19 66
19 66
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 66
19 66
19 66
19 66
19 66

70
50
65
85
85
95
80
90
100
95
95
95
100
95
90
90
80
85
90
90
90
85
85
90

0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0

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

0
0
0
0
0
0
0
0
0
0
30
35
40
50
40
30
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

1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1021
1021
1021
1020

0
0
0
0
0
0
1
1
1
2
2
2
1
2
2
1
1
0
0
0
0
0
0
0

17 62
17 62
16 61
16 62
16 62
17 63
18 64
18 64
19 65
18 65
19 66
19 65
19 66
19 67
20 67
20 67
19 67
19 66
19 66
18 65
18 65
18 64
18 64
18 64

13 56
13 56
13 56
13 56
13 56
14 57
16 60
17 63
16 62
16 61
17 62
17 62
17 63
17 62
19 66
18 65
18 64
17 62
15 59
14 58
14 57
14 57
14 57
14 57

14 26 4 7 16
14 26 4 7 16
14 26 4 7 16
13 24 4 7 15
12 22 4 6 14
12 22 4 6 14
11 20 4 6 12
10 18 3 5 11
10 18 3 5 11
10 19 3 5 12
11 21 4 6 13
12 23 4 6 14
12 23 4 6 14
14 26 4 7 16
15 27 4 8 17
14 26 4 7 16
14 26 4 7 16
14 26 4 7 16
14 26 4 7 16
15 28 4 8 17
15 28 4 8 17
14 26 4 7 16
14 26 4 7 16
13 24 4 7 15

1
1
1
1
1
1
0.9
0.9
0.8
0.8
0.8
0.8
0.8
0.8
0.9
0.9
1
1
1
1
1
1
1
1

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

Expert opinion

A northwesterly and mostly variable flow prevails over the whole area.

For Saint-Cast :
No gale warning.

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

Very cloudy skies with short clear spells. No precipitation in the morning, showers late in the day. In the evening, very cloudy.
Possibility of showers WNW force 3 in the morning becoming force 4 in the middle of the day. Gusts reaching 19 knots from the middle of the day. Smooth to slight sea. Low, short swell from NNW. Excellent visibility.

Tides at Saint-Cast

78

Low tide 05h31 2.04m

High tide 11h00 11.06m

74

Low tide 17h38 2.33m

High tide 23h09 11.16m

www.shom.fr - © SHOM 2025

Consult the tides for July

Tue

29

-

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

Wed

30

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

Thu

31

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

Fri

01

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

Sat

02

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

Sun

03

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

Mon

04

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

Tue

05

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

Wed

06

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

Thu

07

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

Fri

08

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

Sat

09

-

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

Sun

10

-

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

Mon

11

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

Tue

12

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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