Weather Saint-Cast-le-Guildo - Detailed bulletin - Free 15-day Marine forecasts

Saint-Cast-le-Guildo FRALongitude : -2°14’,7 W Latitude : 48°38’,298 N Altitude : 0m

Sun

30

-

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

Mon

01

-

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

Tue

02

-

- 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

-

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

Mon

08

-

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

Tue

09

-

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

Wed

10

-

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

Thu

11

-

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

Fri

12

-

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

Sat

13

-

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

Sun

14

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

BULLETIN

(established in local time)

Reliability 95%

Wind alert - Warning strong breeze offshore.

Sunday 30 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)

30

20

10

0

50

40

30

20

10

15

10

5

0

40

30

20

10

0

10

5

0

1.5

1

0.5

0

3

0

15

10

5

0

55

50

45

40

35

Mon 1

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

325° NW NNW
325° NW NW
325° NW NNW
320° NW NW
315° NW NW
310° NW NW
310° NW NW
295° NW WNW
285° W WNW
270° W W
245° SW WSW
220° SW SW
205° SW SSW
205° SW SSW
195° S SSW
195° S SSW
190° S S
190° S S
185° S S
185° S S
185° S S
180° S S
180° S S
180° S S

17 32 9 20 5
15 28 8 17 4
13 25 7 16 4
12 22 6 14 4
10 18 5 11 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 3
8 15 4 9 3
7 13 4 8 3
6 12 3 7 3
8 14 4 9 3
9 16 4 10 3
10 18 5 11 3
11 21 6 13 4
12 23 6 14 4
13 24 7 15 4
14 26 7 16 4
14 26 7 16 4
15 27 8 17 4
14 26 7 16 4
15 27 8 17 4
15 28 8 17 4

26 48 13 30 6
23 43 12 27 6
20 37 10 23 5
18 33 9 21 5
16 29 8 18 5
14 26 7 16 4
14 26 7 16 4
15 27 8 17 4
14 26 7 16 4
14 26 7 16 4
12 23 6 14 4
10 19 5 12 -
10 19 5 12 -
12 22 6 14 4
13 25 7 16 4
16 29 8 18 5
18 34 9 21 5
20 37 10 23 5
22 40 11 25 6
22 40 11 25 6
22 41 11 25 6
23 42 12 26 6
24 45 13 28 6
24 45 13 28 6

1.2
1.3
1.2
1.1
1
0.9
0.8
0.8
0.7
0.7
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.6
0.6

2.3
2.3
2.2
2.1
1.9
1.8
1.6
1.5
1.4
1.3
1.3
1.2
1.2
1.1
1.2
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.2

1.1
1.2
0.8
0.5
0.4
0.3
0.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.2
0.2
0.2
0.2
0.3
0.3
0.4
0.4
0.5
0.5

310° NW NW
315° NW NW
320° NW NW
325° NW NW
325° NW NW
325° NW NW
325° NW NW
325° NW NW
320° NW NW
320° NW NW
320° NW NW
320° NW NW
315° NW NW
315° NW NW
315° NW NW
315° NW NW
315° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW

0.6
0.3
0.9
1.0
0.9
0.9
0.8
0.7
0.7
0.7
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.3
0.3
0.3

8
8
7
6
6
6
6
6
7
7
7
7
7
7
7
7
8
8
8
8
9
9
9
9

45
45
50
50
50
60
60
70
70
70
80
80
80
80
70
70
70
70
60
60
50
45
35
30

6.0
5.0
4.4
4.4
4.9
6.0
7.4
8.5
9.3
9.3
8.8
7.8
6.5
5.2
4.3
3.8
4.0
4.9
6.3
7.8
9.1
9.6
9.4
8.6

12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54

0
0
65
65
45
35
70
45
35
25
55
40
45
55
80
25
45
75
85
70
85
95
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
30

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

1014
1015
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1019
1018
1018
1018
1018
1017
1017
1016
1015
1014
1013

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

10 49
9 49
9 49
9 49
10 50
10 51
11 51
11 51
11 51
11 51
11 51
9 49
9 48
8 46
7 45
7 45
7 44
7 45
7 45
7 45
7 45
8 46
8 47
9 47

4 39
4 40
5 40
5 41
7 44
8 47
9 49
10 49
10 50
9 49
9 48
7 45
6 43
5 40
4 39
3 37
3 37
3 37
2 36
2 36
2 36
3 37
3 38
4 38

18 34 5 9 21
17 32 5 9 20
17 31 5 9 19
16 29 5 8 18
13 25 4 7 16
13 24 4 7 15
12 22 4 6 14
11 21 4 6 13
11 21 4 6 13
11 21 4 6 13
12 22 4 6 14
13 24 4 7 15
13 24 4 7 15
15 27 4 8 17
17 31 5 9 19
18 33 5 9 21
19 35 5 10 22
19 36 5 10 22
21 39 6 11 24
21 38 5 11 24
22 40 6 11 25
22 40 6 11 25
22 41 6 11 25
22 40 6 11 25

1.6
1.6
1.5
1.4
1.2
1.2
1.1
1
0.9
0.9
0.8
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 for the approach to the port, up to 1 mile from the coast, in local time
Last updated 2h ago | Next update in 1h
Caption

Expert opinion

A northwesterly, very strong and variable flow prevails over the East of the basin. Over the West, it is southwesterly, very strong and mostly variable.

For Saint-Cast-le-Guildo :
Warning strong breeze offshore.

The reliability of the situation is assessed at 95%.

Good clear periods alternating with cloudy spells, sometimes more dense in the afternoon. No precipitation. In the evening, clear periods developing.
No precipitation. NW force 5 weakening W force 3 in the middle of the day then SSW force 4. Gusts reaching 26 knots in the morning. Slight sea becoming smooth to slight in the evening. Low, fairly long swell from NW. Excellent visibility.

Tides at Saint-Cast

48

High tide 02h01 9.05m

Low tide 08h40 4.32m

53

High tide 14h35 9.38m

Low tide 21h18 3.77m

www.shom.fr - © SHOM 2025

Consult the tides for November

Sun

30

-

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

Mon

01

-

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

Tue

02

-

- 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

-

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

Mon

08

-

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

Tue

09

-

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

Wed

10

-

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

Thu

11

-

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

Fri

12

-

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

Sat

13

-

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

Sun

14

-

- 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 port Saint-Cast-le-Guildo

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Cast