Weather Saint-Jacut-de-la-Mer - Detailed bulletin - Free 15-day Marine forecasts

Saint-Jacut-de-la-Mer FRALongitude : -2°11’,298 W Latitude : 48°36’,198 N Altitude : 0m

Sun

14

-

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

Mon

15

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

Tue

16

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

Wed

17

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

Thu

18

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

Fri

19

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

Sat

20

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

Sun

21

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

Mon

22

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

Tue

23

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

Wed

24

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

Thu

25

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

Fri

26

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

Sat

27

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

Sun

28

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

BULLETIN

(established in local time)

Reliability 65%

Wind alert - Warning moderate gale offshore.

Thursday 18 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

Offshore

Offshore wind

Offshore sea (m)

40

30

20

10

80

70

60

50

40

30

20

10

20

15

10

5

50

40

30

20

10

5

0

5

0

3

0

15

10

5

0

55

50

45

40

35

Thu 18

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

185° S S
185° S S
180° S S
180° S S
180° S S
180° S S
175° S S
180° S S
175° S S
175° S S
175° S S
175° S S
180° S S
180° S S
180° S S
185° S S
185° S S
185° S S
190° S S
190° S S
195° S SSW
200° S SSW
205° SW SSW
205° SW SSW

14 26 7 16 4
13 24 7 15 4
13 25 7 16 4
15 27 8 17 4
15 28 8 17 4
16 29 8 18 5
16 29 8 18 5
16 30 8 19 5
16 29 8 18 5
16 30 8 19 5
17 32 9 20 5
18 34 9 21 5
19 36 10 22 5
20 37 10 23 5
21 38 11 24 5
21 38 11 24 5
21 38 11 24 5
19 36 10 22 5
18 34 9 21 5
17 32 9 20 5
16 29 8 18 5
13 25 7 16 4
12 22 6 14 4
10 19 5 12 3

24 45 13 28 6
22 41 11 25 6
23 43 12 27 6
25 47 13 29 6
26 49 14 30 6
27 50 14 31 7
28 52 14 32 7
29 53 15 33 7
30 55 15 34 7
31 58 16 36 7
33 62 17 39 8
35 65 18 40 8
37 68 19 42 8
38 70 19 43 8
38 70 19 43 8
37 69 19 43 8
37 69 19 43 8
36 66 18 41 8
34 63 18 39 8
32 60 17 37 7
30 56 16 35 7
28 51 14 32 7
25 47 13 29 6
22 41 11 25 6

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

1.4
1.5
1.6
1.7
1.8
1.9
2
2.1
2.3
2.3
2.5
2.6
2.7
2.7
2.8
2.8
2.9
2.9
2.9
2.9
2.9
2.8
2.8
2.7

0.6
0.6
0.7
0.7
0.8
0.8
0.9
1
1.1
1.1
1.1
1.2
1.3
1.4
1.4
1.4
1.4
1.4
1.5
1.4
1.5
1.4
1.5
1.4

295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
290° W WNW
300° NW WNW
295° NW WNW
300° NW WNW
300° NW WNW
300° NW WNW
300° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
300° NW WNW
300° NW WNW
300° NW WNW
300° NW WNW

0.4
0.4
0.4
0.4
0.4
0.4
0.5
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.5
0.4
0.4
0.4
0.3
0.3
0.2
0.2

11
11
11
15
15
15
15
14
15
13
14
14
15
15
15
15
15
15
15
14
19
19
19
19

200
190
190
380
380
420
440
450
470
490
490
470
460
450
450
440
430
420
410
400
400
390
390
400

3.4
3.8
5.1
7.0
8.8
10.0
10.3
9.8
8.6
7.0
5.3
4.0
3.3
3.3
4.4
6.2
8.1
9.6
10.3
10.0
9.0
7.5
5.8
4.3

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

80
80
75
75
70
75
75
70
55
60
65
65
70
90
95
100
100
100
100
100
100
100
100
100

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

-
-
-
-
-
-

25
35
35
35
35
35
35
20
0
0
0
0
0
0
50
50
50
65
70
70
85
85
70
55

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

1018
1019
1018
1018
1017
1016
1015
1015
1015
1014
1014
1013
1012
1011
1010
1010
1009
1009
1009
1009
1009
1009
1009
1010

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

8 47
8 46
8 46
8 47
8 47
8 47
8 47
9 48
8 46
8 47
10 49
10 49
11 51
12 54
12 53
12 53
12 54
12 54
12 54
12 54
12 53
12 53
12 53
11 52

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

21 39 6 11 24
19 35 5 10 22
21 38 5 11 24
21 38 5 11 24
21 39 6 11 24
22 40 6 11 25
22 41 6 11 25
24 44 6 12 27
23 43 6 12 27
24 45 6 13 28
25 47 6 13 29
26 49 6 14 30
26 49 6 14 30
27 50 7 14 31
27 50 7 14 31
27 50 7 14 31
27 50 7 14 31
24 44 6 12 27
21 38 5 11 24
17 32 5 9 20
15 28 4 8 17
12 23 4 6 14
11 21 4 6 13
11 21 4 6 13

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

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Last updated 29min ago | Next update in 3h
Caption

Expert opinion

A southerly, very strong and very variable flow prevails over the whole area.

For Saint-Jacut-de-la-Mer :
Warning moderate gale offshore.

The reliability of the situation is poor.
For the night from Wednesday to Thursday S force 4 in the early part of the night becoming force 5. Gusts reaching 28 knots at the end of the night.

Slight sea. Low, fairly long swell from WNW. Excellent visibility. Daytime of Thursday 18 december : The unsettled weather will become more unpredictable in the second half of the day.

Very cloudy skies becoming totally overcast during the afternoon. Risk of showers in the morning, light showers followed by rain in the afternoon. In the evening, overcast skies.
Light rain. S wind force 5 continuing all day. Gusts reaching 38 knots in the middle of the day. Slight sea becoming moderate in the middle of the day. Low, long swell from WNW. Excellent visibility becoming excellent in the evening.

Tides at Saint-Cast

63

Low tide 00h07 3.38m

High tide 05h46 10.36m

65

Low tide 12h28 3.17m

High tide 18h06 10.29m

www.shom.fr - © SHOM 2025

Consult the tides for December

Sun

14

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

Mon

15

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

Tue

16

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

Wed

17

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

Thu

18

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

Fri

19

-

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

Sat

20

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

Sun

21

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

Mon

22

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

Tue

23

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

Wed

24

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

Thu

25

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- 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

* +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-Jacut-de-la-Mer

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Cast