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

Saint-Cast-le-Guildo FRALongitude : -2°14’,724 W Latitude : 48°38’,442 N Altitude : 2m

Tue

16

-

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

Wed

17

-

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

Thu

18

-

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

Fri

19

-

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

Sat

20

-

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

Sun

21

-

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

Mon

22

-

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

Tue

23

-

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

Wed

24

-

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

Thu

25

-

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

Fri

26

-

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

Sat

27

-

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

Sun

28

-

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

Mon

29

-

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

Tue

30

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

BULLETIN

(established in local time)

Reliability 90%

No gale warning.

Tuesday 16 december

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

30

20

10

0

50

40

30

20

10

0

15

10

5

0

30

20

10

0

10

5

0

1

0.5

0

3

0

15

10

5

0

55

50

45

40

35

Wed 17

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

340° N NNW
340° N NNW
345° N NNW
350° N N
345° N NNW
325° NW NW
295° NW WNW
260° W WSW
240° SW WSW
235° SW SW
230° SW SW
220° SW SW
220° SW SW
210° SW SSW
195° S SSW
190° S S
185° S S
180° S S
185° S S
185° S S
185° S S
185° S S
185° S S
185° S S

10 19 5 12 3
9 17 5 11 3
9 16 4 10 3
6 12 3 7 3
5 10 3 6 2
4 8 2 5 2
4 7 2 4 2
4 7 2 4 2
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
9 16 4 10 3
9 16 4 10 3
10 18 5 11 3
11 20 6 12 4
12 22 6 14 4
13 24 7 15 4
13 25 7 16 4
14 26 7 16 4
14 26 7 16 4
15 27 8 17 4
16 29 8 18 5

15 28 8 17 4
13 24 7 15 4
12 23 6 14 4
11 20 6 12 4
9 17 5 11 3
8 14 4 9 3
6 11 3 7 -
5 10 3 6 -
8 15 4 9 -
9 17 5 11 -
9 17 5 11 -
10 18 5 11 -
11 21 6 13 4
12 22 6 14 4
11 21 6 13 4
13 25 7 16 4
16 30 8 19 5
19 35 10 22 5
21 38 11 24 5
22 40 11 25 6
23 42 12 26 6
23 43 12 27 6
24 45 13 28 6
25 47 13 29 6

0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4

1.2
1.1
1.1
1.1
1
1
1
1
0.9
0.9
0.9
0.9
0.9
0.8
0.8
0.9
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8

0.2
0.1
0.1
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0.1
0.1
0.2
0.2
0.2
0.2

190° S S
190° S S
190° S S
200° S SSW
205° SW SSW
200° S SSW
200° S SSW
200° S SSW
200° S SSW
195° S SSW
190° S S
195° S SSW
185° S S
190° S S
190° S S
190° S S
195° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
175° S S

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

11
11
10
12
11
11
11
12
11
11
12
13
12
12
12
12
12
12
12
12
12
12
12
11

210
210
220
220
220
220
220
220
220
230
230
240
240
240
240
210
210
210
200
190
180
180
170
160

6.6
5.3
4.3
3.7
3.9
4.9
6.5
8.2
9.4
9.9
9.6
8.7
7.3
5.8
4.5
3.7
3.6
4.3
5.8
7.5
9.1
9.9
9.8
9.1

12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53

0
0
45
45
75
80
55
65
50
40
20
5
10
10
25
65
55
60
90
100
100
100
100
100

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
10
10
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1015
1016
1016
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1019
1019
1018
1017
1017
1017
1016
1016

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

10 51
10 50
10 50
10 49
9 49
10 49
9 49
9 48
8 46
7 45
7 44
6 43
6 42
6 42
6 43
7 45
8 47
9 49
10 49
10 50
10 50
10 50
10 50
10 50

7 44
7 44
7 44
7 45
7 45
8 46
8 46
7 45
6 42
5 41
4 39
3 38
3 37
2 36
3 38
5 40
5 41
6 43
6 42
6 43
6 42
5 41
5 41
5 41

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

Expert opinion

For Mouillage de Saint-Cast :
No gale warning.

We are 90% sure of the situation, because flows might be far more disturbed than forecast.

In the evening, fair weather with mostly clear skies.
NNW wind force 4. Gusts reaching 16 knots in the evening. Slight sea. Low, short swell from S. Excellent visibility.

Tides at Saint-Cast

51

High tide 04h14 9.5m

Low tide 10h51 3.91m

54

High tide 16h35 9.58m

Low tide 23h20 3.71m

www.shom.fr - © SHOM 2025

Consult the tides for December

Tue

16

-

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

Wed

17

-

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

Thu

18

-

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

Fri

19

-

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

Sat

20

-

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

Sun

21

-

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

Mon

22

-

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

Tue

23

-

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

Wed

24

-

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

Thu

25

-

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

Fri

26

-

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

Sat

27

-

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

Sun

28

-

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

Mon

29

-

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

Tue

30

-

- 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 anchorage Mouillage de Saint-Cast

BULLETIN

Wind

Waves

Weather

Temperature

Expert opinion

Tides at Saint-Cast