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

Saint-Cast-le-Guildo FRALong : -2°14’,7 W Lat : 48°38’,298 N Alt : 0m

Sun

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Mon

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Tue

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Wed

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Thu

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Fri

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Sat

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Sun

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Mon

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Tue

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Wed

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Thu

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Fri

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Sat

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BULLETIN

(* established in local time)

Reliability 90%

No gale warning.

Sunday 21 dec

METEO CONSULT Run : 21/12 11Z Mesh : 1km Updated, 2h ago Update in 4h

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell (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 (%)

Storm 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

50

40

30

20

10

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

                                    
                                                                         Mon 22
                                                            
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                        Run : 21/12 11Z
                Mesh : 1km
                Updated, 2h ago
                Update in 4h

Mon 22

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

90° E E
85° E E
85° E E
85° E E
90° E E
85° E E
90° E E
100° E E
100° E ESE
115° SE ESE
135° SE SE
145° SE SE
155° SE SSE
150° SE SSE
150° SE SSE
150° SE SSE
150° SE SSE
155° SE SSE
150° SE SSE
150° SE SSE
150° SE SSE
150° SE SSE
140° SE SE
135° SE SE

7 13 4 8 3
8 15 4 9 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 3
12 23 6 14 4
15 27 8 17 4
16 29 8 18 5
14 26 7 16 4
15 27 8 17 4
15 28 8 17 4
14 26 7 16 4
13 24 7 15 4
12 22 6 14 4
11 21 6 13 4
10 19 5 12 3
11 21 6 13 4
10 19 5 12 3
10 19 5 12 3

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
14 26 7 16 4
14 26 7 16 4
13 25 7 16 4
13 25 7 16 4
15 28 8 17 4
18 34 9 21 5
23 43 12 27 6
24 45 13 28 6
24 45 13 28 6
24 44 12 27 6
24 44 12 27 6
23 42 12 26 6
22 40 11 25 6
21 38 11 24 5
20 37 10 23 5
18 33 9 21 5
17 32 9 20 5
16 30 8 19 5
17 31 9 19 5

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

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

0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.2
0.2
0.3
0.3
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.2

195° S SSW
200° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
190° S SSW
190° S S
185° S S
185° S S
195° S SSW
190° S S
190° S S
190° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
185° S S
185° S S
185° S S
190° S S
190° S S

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

15
16
15
15
15
15
15
14
14
14
13
14
14
14
14
14
13
13
13
14
13
13
13
13

380
380
370
370
370
360
360
350
340
330
330
330
330
330
320
300
290
290
290
290
280
280
270
250

2.9
4.2
6.2
8.4
10.1
10.7
10.3
9.1
7.4
5.5
4.0
3.1
3.0
4.1
6.0
8.3
10.1
11.0
10.7
9.6
8.0
6.1
4.3
3.1

11 53
11 53
11 53
11 53
11 53
11 53
11 53
11 53
11 53
11 53
11 53
11 53
11 53
11 53
11 53
11 53
11 53
11 53
11 52
11 52
11 52
11 52
11 52
11 52

90
100
100
100
100
100
100
100
100
100
100
100
100
55
40
45
30
25
30
45
60
55
70
65

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

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

0
0
0
30
50
60
65
65
60
30
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

10
15
>20
>20
>20
>20
>20
15
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1000
1000
1000
999
999
999
998
998
998
998
998
998
999
999
999
1000
1001
1002
1003
1004
1004
1005
1004
1005

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

8 47
8 46
8 46
7 45
7 45
7 45
7 44
7 44
7 44
7 44
6 42
4 40
4 39
4 39
3 38
3 37
3 37
3 37
3 37
3 38
5 40
6 42
7 44
8 46

14 26 4 7 16
15 27 4 8 17
15 28 4 8 17
16 30 5 8 19
17 31 5 9 19
16 30 5 8 19
16 29 5 8 18
15 28 4 8 17
15 28 4 8 17
14 26 4 7 16
17 32 5 9 20
21 38 5 11 24
22 41 6 11 25
20 37 5 10 23
22 40 6 11 25
23 42 6 12 26
22 40 6 11 25
21 39 6 11 24
20 37 5 10 23
19 35 5 10 22
18 33 5 9 21
17 31 5 9 19
16 29 5 8 18
15 28 4 8 17

1.2
1.2
1.2
1.2
1.2
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.2
1.3
1.3
1.3
1.3
1.3
1.2
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

Low 992 hPa centered at 90 nautical miles in the West-North-West of Belmullet (North-West Ireland) moving at 23 knots to the South-East and rising to 995 hPa to be centered on the North of the Bay of Biscay.

For Saint-Cast-le-Guildo :
No gale warning.

We are 90% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.

Very cloudy skies becoming totally overcast. No precipitation. In the evening, overcast skies.
Light showers. ESE force 4 in the middle of the day becoming E force 3 in the evening. Gusts reaching 19 knots in the middle of the day. Smooth to slight sea. Low, long swell from SSW. Poor visibility becoming good in the evening.

Tides at Saint-Cast

73

Low tide 02h04 2.91m

High tide 07h37 10.96m

73

Low tide 14h25 2.66m

High tide 19h59 10.7m

www.shom.fr - © SHOM 2025

Consult the tides for December

Go further

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

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

Wed

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

Thu

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

Fri

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

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

Sun

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

Mon

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

Tue

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Wed

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

Thu

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

Fri

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

Sat

03

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

Sun

04

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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 port Saint-Cast-le-Guildo

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Cast

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