Weather Port Saint-Jacques - Detailed bulletin - Free 15-day Marine forecasts

Sarzeau FRALongitude : -2°47’,8698 W Latitude : 47°29’,19 N Altitude : 2m

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

Mon

15

-

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

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

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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

BULLETIN

(established in local time)

Reliability 90%

Wind alert - Warning strong breeze offshore.

Tuesday 9 september

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Under storms

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

0

70

60

50

40

30

20

10

20

15

10

5

0

40

30

20

10

5

0

1.5

1

0.5

0

3

0

20

15

10

5

70

65

60

55

50

45

Wed 10

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

205° SW SSW
200° S SSW
195° S SSW
200° S SSW
190° S S
200° S SSW
195° S SSW
200° S SSW
195° S SSW
190° S S
185° S S
185° S S
190° S S
190° S S
190° S SSW
210° SW SSW
225° SW SW
240° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
240° SW WSW

9 16 4 10 3
10 19 5 12 3
12 22 6 14 4
12 23 6 14 4
12 22 6 14 4
14 26 7 16 4
15 27 8 17 4
15 28 8 17 4
16 29 8 18 5
16 29 8 18 5
17 32 9 20 5
18 33 9 21 5
21 38 11 24 5
22 41 11 25 6
23 43 12 27 6
13 25 7 16 4
15 27 8 17 4
13 24 7 15 4
12 22 6 14 4
12 23 6 14 4
12 23 6 14 4
12 22 6 14 4
13 24 7 15 4
12 23 6 14 4

13 24 7 15 4
15 28 8 17 4
17 31 9 19 5
18 34 9 21 5
18 34 9 21 5
21 38 11 24 5
22 40 11 25 6
22 40 11 25 6
22 40 11 25 6
23 42 12 26 6
23 43 12 27 6
26 48 13 30 6
29 54 15 34 7
31 58 16 36 7
34 63 18 39 8
32 60 17 37 7
24 44 12 27 6
22 41 11 25 6
20 37 10 23 5
18 34 9 21 5
19 35 10 22 5
19 35 10 22 5
19 36 10 22 5
18 34 9 21 5

- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
>25 >50 >14 >30 >7
>30 >55 >16 >35 >7
>30 >60 >18 >35 >8
>30 >60 >18 >35 >8
>30 >60 >17 >35 >8
>30 >60 >17 >35 >7
>30 >55 >16 >35 >7
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -

0.6
0.6
0.6
0.6
0.6
0.7
0.7
0.6
0.5
0.6
0.7
0.9
1.2
1.2
1.2
1.2
1.2
1.1
1
1.2
1.2
1.1
1.1
1.1

1.1
1.2
1.2
1.2
1.3
1.4
1.3
1.3
1.1
1.1
1.4
1.8
2.2
2.2
2.2
2.2
2.2
2
1.8
2.2
2.1
2.1
2.1
2

0.2
0.3
0.3
0.4
0.5
0.5
0.5
0.5
0.4
0.5
0.6
0.8
1
1.1
0.7
0.7
0.7
0.3
0.3
0.4
0.5
0.6
0.5
0.5

215° SW SW
215° SW SW
235° SW SW
210° SW SSW
220° SW SW
200° S SSW
195° S SSW
200° S SSW
250° W WSW
255° W WSW
255° W WSW
260° W W
220° SW SW
190° S S
220° SW SW
220° SW SW
215° SW SW
200° S SSW
200° S SSW
220° SW SW
225° SW SW
225° SW SW
230° SW SW
230° SW SW

0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.4
0.4
0.6
0.8
0.7
0.7
1.0
0.9
1.1
1.0
1.0
1.0
0.9

8
6
7
6
6
5
5
4
7
7
7
6
5
5
7
7
7
6
6
7
7
7
7
7

100
100
45
40
35
35
35
35
35
35
40
40
45
45
45
50
50
60
60
60
60
60
60
60

2.6
1.5
0.8
0.5
0.9
1.8
3.0
4.2
5.1
5.4
5.1
4.3
3.1
1.9
0.9
0.4
0.6
1.3
2.4
3.6
4.6
5.1
5.0
4.4

18 65
18 65
19 65
19 65
19 65
19 65
19 65
19 65
19 65
19 65
19 65
19 65
19 65
19 65
19 65
19 65
19 65
19 65
18 65
18 65
18 65
18 65
18 65
18 65

100
100
90
80
90
70
65
75
80
80
100
100
100
100
100
100
90
95
100
100
100
100
100
90

0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.3
0.3
1.3
1.3
0
0
0
0
0
0
0.2

-
-
-
-
-
-
-
-
-
-

0
0
0
0
0
0
0
0
0
0
30
45
70
80
85
75
60
40
35
30
35
35
45
55

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

1017
1017
1017
1016
1016
1015
1015
1014
1013
1013
1012
1012
1011
1011
1010
1010
1009
1009
1008
1008
1008
1007
1007
1007

0
0
2
3
3
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

15 59
16 61
18 65
18 65
19 65
19 66
19 66
19 66
19 65
18 65
18 64
18 64
17 63
17 63
17 63
17 63
17 63
17 62
17 62
17 62
17 62
17 62
17 62
17 62

13 55
13 55
17 62
16 61
18 64
17 63
17 62
16 61
15 59
14 57
12 54
12 53
11 51
10 50
10 50
13 55
12 54
12 54
12 54
12 54
12 54
12 54
12 54
13 56

10 18 3 5 11
11 20 4 6 12
11 21 4 6 13
13 24 4 7 15
15 27 4 8 17
16 30 5 8 19
17 32 5 9 20
17 31 5 9 19
18 33 5 9 21
17 31 5 9 19
19 36 5 10 22
21 38 5 11 24
24 44 6 12 27
22 41 6 11 25
18 34 5 9 21
13 25 4 7 16
12 22 4 6 14
11 21 4 6 13
12 23 4 6 14
12 22 4 6 14
12 23 4 6 14
13 25 4 7 16
11 21 4 6 13
12 22 4 6 14

0.6
0.6
0.7
0.6
0.6
0.7
0.7
0.8
0.8
0.9
1
1.1
1.1
1.1
1.1
1
0.9
0.9
0.9
0.7
0.7
0.7
0.6
0.6

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Last updated 42min ago | Next update in 3h
Caption

Expert opinion

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

For Port Saint-Jacques :
Warning strong breeze offshore.

We are 90% sure of the situation, because the atmosphere might not be as stable as forecast.

Overcast in the morning, good clear periods with lots of cloud in the afternoon. No precipitation. In the evening, overcast skies with risk of thundery outbreaks.
Showers towards the end of the night. SSW force 3 becoming force 4 in the middle of the day then S force 6. Gusts reaching 31 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low, fairly long swell from SW. Poor visibility becoming excellent in the middle of the day.

Tides at Port-Navalo

104

Low tide 00h36 0.47m

High tide 06h44 5.13m

106

Low tide 12h53 0.54m

High tide 19h03 5.42m

www.shom.fr - © SHOM 2025

Consult the tides for September

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

Mon

15

-

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

Tue

16

-

- 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

-

- 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

* +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 Port Saint-Jacques

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Port-Navalo