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

Sat

26

-

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

Sun

27

-

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

Mon

28

-

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

Tue

29

-

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

Wed

30

-

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

Thu

31

-

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

Fri

01

-

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

Sat

02

-

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

Sun

03

-

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

Mon

04

-

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

Tue

05

-

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

Wed

06

-

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

Thu

07

-

- 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

BULLETIN

(established in local time)

Reliability 85%

No gale warning.

Saturday 26 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)

25

20

15

10

5

40

30

20

10

0

15

10

5

0

25

20

15

10

5

10

5

0

1

0.5

0

3

0

30

25

20

15

10

80

70

60

50

Sun 27

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

245° SW WSW
240° SW WSW
235° SW SW
235° SW SW
240° SW WSW
270° W W
280° W W
285° W WNW
290° W WNW
295° NW WNW
300° NW WNW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
305° NW WNW
300° NW WNW
300° NW WNW
300° NW WNW
300° NW WNW
305° NW NW
310° NW NW
310° NW NW

5 9 3 6 2
5 9 3 6 2
5 10 3 6 2
5 10 3 6 2
6 12 3 7 3
7 13 4 8 3
10 18 5 11 3
10 19 5 12 3
9 16 4 10 3
8 15 4 9 3
7 13 4 8 3
8 14 4 9 3
6 12 3 7 3
9 16 4 10 3
10 19 5 12 3
11 21 6 13 4
12 23 6 14 4
12 23 6 14 4
12 23 6 14 4
11 21 6 13 4
11 20 6 12 4
11 20 6 12 4
11 21 6 13 4
12 22 6 14 4

8 15 4 9 3
8 15 4 9 3
8 15 4 9 3
9 16 4 10 3
10 18 5 11 -
11 21 6 13 4
15 28 8 17 4
17 31 9 19 5
17 31 9 19 5
15 27 8 17 4
14 26 7 16 4
15 27 8 17 4
14 26 7 16 4
15 28 8 17 4
17 31 9 19 5
18 33 9 21 5
19 36 10 22 5
20 37 10 23 5
21 38 11 24 5
19 35 10 22 5
18 33 9 21 5
17 32 9 20 5
17 32 9 20 5
17 32 9 20 5

0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.4
0.3
0.3
0.3
0.3
0.4
0.4
0.5
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.7

0.6
0.6
0.6
0.6
0.6
0.6
0.7
0.7
0.8
0.7
0.7
0.7
0.7
0.8
0.9
1
1.1
1.2
1.2
1.2
1.2
1.2
1.3
1.3

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

335° NW NNW
335° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
335° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
320° NW NW
320° NW NW
320° NW NW
325° NW NW
325° NW NW
325° NW NW
325° NW NNW
330° NW NNW
325° NW NW
325° NW NNW
310° NW NW
335° NW NNW
210° SW SSW

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
0.3
0.4
0.3
0.3
0.3
0.5
0.5
0.5
0.4
0.4
0.4

4
4
4
4
4
4
4
4
4
4
4
9
10
9
9
9
9
9
9
9
9
9
9
6

25
130
120
30
70
160
160
160
160
160
160
170
170
160
160
150
150
150
150
150
150
140
140
140

1.7
2.9
5.2
8.0
10.2
11.4
11.2
10.0
8.0
5.8
3.8
2.4
1.9
2.8
4.9
7.7
10.2
11.7
11.7
10.7
8.8
6.6
4.4
2.6

19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
20 67
20 67
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 67
20 67
20 67
20 67

10
35
95
100
95
90
90
95
90
95
95
100
95
100
95
95
85
85
90
75
95
75
90
95

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
0
0
0
0
20
25
20
0
0
0
0
0
0

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

1020
1020
1019
1020
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019

0
0
0
0
0
0
1
1
2
2
2
2
3
1
1
1
0
0
0
0
0
0
0
0

15 58
15 58
15 58
15 59
16 60
17 63
18 64
19 65
19 67
20 68
21 69
21 69
20 69
20 69
20 68
20 67
19 66
18 65
18 64
17 63
17 62
17 62
17 62
17 62

13 55
13 55
12 54
13 55
13 56
15 58
16 61
18 64
20 68
21 71
23 74
23 73
24 75
25 76
19 66
18 64
16 61
15 58
13 56
13 56
13 55
13 56
13 55
13 55

10 18 3 5 11
10 19 3 5 12
10 18 3 5 11
11 21 4 6 13
13 24 4 7 15
13 25 4 7 16
13 25 4 7 16
12 23 4 6 14
12 23 4 6 14
11 20 4 6 12
11 21 4 6 13
11 21 4 6 13
12 23 4 6 14
13 24 4 7 15
14 26 4 7 16
15 28 4 8 17
15 27 4 8 17
16 30 5 8 19
16 30 5 8 19
16 29 5 8 18
16 30 5 8 19
17 31 5 9 19
16 30 5 8 19
16 30 5 8 19

0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.8
0.8
0.8
0.8
0.9
0.9
1
1
1.1
1.1
1.1
1.2
1.2
1.3
1.3
1.3

Forecasts established in local time
Last updated 40min ago | Next update in 3h
Caption

Expert opinion

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

For Saint-Cast :
No gale warning.

We are 85% sure of the situation, because flows might be far more disturbed than forecast.

Very cloudy skies to overcast. The risk of seeing rain will remain low. In the evening, very cloudy.
Chance of light rain. WSW force 3 turning WNW in the middle of the day then becoming force 4. Gusts reaching 21 knots in the evening. Smooth to slight sea. Low, short swell from NNW. Poor visibility becoming excellent in the middle of the day.

Tides at Saint-Cast

89

Low tide 03h43 1.68m

High tide 09h16 11.45m

89

Low tide 15h58 1.91m

High tide 21h28 11.84m

www.shom.fr - © SHOM 2025

Consult the tides for July

Sat

26

-

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

Sun

27

-

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

Mon

28

-

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

Tue

29

-

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

Wed

30

-

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

Thu

31

-

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

Fri

01

-

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

Sat

02

-

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

Sun

03

-

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

Mon

04

-

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

Tue

05

-

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

Wed

06

-

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

Thu

07

-

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

Fri

08

-

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

Sat

09

-

- 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