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Time 950hPa
540m
900hPa
988m
850hPa
1456m
800hPa
1948m
750hPa
2465m
700hPa
3010m
650hPa
3589m
600hPa
4204m
550hPa
4863m
500hPa
5572m
400hPa
7182m
300hPa
9160m
06:00N 3 Bf Gentle breezeN 3 Bf Gentle breezeN 3 Bf Gentle breezeNNW 2 Bf Light breezeNW 2 Bf Light breezeWNW 3 Bf Gentle breezeWNW 4 Bf Moderate breezeW 5 Bf Fresh breezeW 5 Bf Fresh breezeW 5 Bf Fresh breezeWSW 8 Bf GaleSW 11 Bf Violent storm
09:00NNE 2 Bf Light breezeNNW 2 Bf Light breezeNW 3 Bf Gentle breezeNW 3 Bf Gentle breezeWNW 3 Bf Gentle breezeWNW 3 Bf Gentle breezeWNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeW 5 Bf Fresh breezeWSW 5 Bf Fresh breezeWSW 8 Bf GaleWSW 11 Bf Violent storm
12:00N 1 Bf Light airNNW 2 Bf Light breezeNW 3 Bf Gentle breezeNW 3 Bf Gentle breezeWNW 3 Bf Gentle breezeNW 3 Bf Gentle breezeWNW 3 Bf Gentle breezeWNW 4 Bf Moderate breezeW 5 Bf Fresh breezeW 6 Bf Strong breezeWSW 8 Bf GaleSW 11 Bf Violent storm
15:00NW 2 Bf Light breezeNNW 3 Bf Gentle breezeNW 3 Bf Gentle breezeNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeNW 3 Bf Gentle breezeWNW 3 Bf Gentle breezeW 4 Bf Moderate breezeW 5 Bf Fresh breezeW 6 Bf Strong breezeW 7 Bf Near galeWSW 11 Bf Violent storm
18:00WNW 2 Bf Light breezeNW 2 Bf Light breezeNW 3 Bf Gentle breezeNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeW 5 Bf Fresh breezeW 6 Bf Strong breezeW 7 Bf Near galeWSW 11 Bf Violent storm
21:00WSW 2 Bf Light breezeNW 2 Bf Light breezeNNW 3 Bf Gentle breezeNNW 4 Bf Moderate breezeNNW 5 Bf Fresh breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeWNW 3 Bf Gentle breezeW 5 Bf Fresh breezeW 6 Bf Strong breezeWSW 7 Bf Near galeWSW 11 Bf Violent storm
Time 950hPa
540m
900hPa
988m
850hPa
1456m
800hPa
1948m
750hPa
2465m
700hPa
3010m
650hPa
3589m
600hPa
4204m
550hPa
4863m
500hPa
5572m
400hPa
7182m
300hPa
9160m
00:00W 2 Bf Light breezeNW 3 Bf Gentle breezeNNW 3 Bf Gentle breezeN 3 Bf Gentle breezeN 5 Bf Fresh breezeN 5 Bf Fresh breezeN 3 Bf Gentle breezeWNW 3 Bf Gentle breezeWNW 5 Bf Fresh breezeW 5 Bf Fresh breezeWSW 7 Bf Near galeWSW 11 Bf Violent storm
03:00NW 3 Bf Gentle breezeNW 3 Bf Gentle breezeNNW 4 Bf Moderate breezeNNW 3 Bf Gentle breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNW 3 Bf Gentle breezeWNW 4 Bf Moderate breezeWNW 5 Bf Fresh breezeWNW 5 Bf Fresh breezeW 6 Bf Strong breezeWSW 10 Bf Storm
06:00NW 3 Bf Gentle breezeNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNW 3 Bf Gentle breezeWNW 4 Bf Moderate breezeWNW 5 Bf Fresh breezeWNW 5 Bf Fresh breezeW 6 Bf Strong breezeW 10 Bf Storm
09:00NNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeNW 3 Bf Gentle breezeNW 3 Bf Gentle breezeNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeWNW 5 Bf Fresh breezeW 6 Bf Strong breezeW 9 Bf Strong gale
12:00N 3 Bf Gentle breezeN 3 Bf Gentle breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeNW 3 Bf Gentle breezeNW 3 Bf Gentle breezeNW 4 Bf Moderate breezeWNW 5 Bf Fresh breezeWNW 5 Bf Fresh breezeW 5 Bf Fresh breezeW 9 Bf Strong gale
15:00N 3 Bf Gentle breezeN 3 Bf Gentle breezeNNW 3 Bf Gentle breezeNW 3 Bf Gentle breezeNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeNW 5 Bf Fresh breezeWNW 5 Bf Fresh breezeW 5 Bf Fresh breezeW 6 Bf Strong breezeW 10 Bf Storm
18:00NW 2 Bf Light breezeNNW 2 Bf Light breezeNNW 3 Bf Gentle breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeW 5 Bf Fresh breezeWNW 6 Bf Strong breezeWSW 11 Bf Violent storm
21:00W 3 Bf Gentle breezeNW 2 Bf Light breezeNNW 3 Bf Gentle breezeNNW 3 Bf Gentle breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNNW 3 Bf Gentle breezeWNW 4 Bf Moderate breezeW 4 Bf Moderate breezeW 5 Bf Fresh breezeW 6 Bf Strong breezeW 10 Bf Storm
Time 950hPa
540m
900hPa
988m
850hPa
1456m
800hPa
1948m
750hPa
2465m
700hPa
3010m
650hPa
3589m
600hPa
4204m
550hPa
4863m
500hPa
5572m
400hPa
7182m
300hPa
9160m
00:00W 3 Bf Gentle breezeNW 2 Bf Light breezeNNW 3 Bf Gentle breezeN 3 Bf Gentle breezeN 4 Bf Moderate breezeN 3 Bf Gentle breezeWNW 3 Bf Gentle breezeW 4 Bf Moderate breezeW 5 Bf Fresh breezeW 5 Bf Fresh breezeWSW 6 Bf Strong breezeW 9 Bf Strong gale
03:00NW 3 Bf Gentle breezeNNW 3 Bf Gentle breezeNNW 3 Bf Gentle breezeN 4 Bf Moderate breezeN 4 Bf Moderate breezeNNW 3 Bf Gentle breezeWNW 3 Bf Gentle breezeW 4 Bf Moderate breezeW 5 Bf Fresh breezeW 6 Bf Strong breezeWSW 6 Bf Strong breezeWSW 9 Bf Strong gale
06:00NNW 3 Bf Gentle breezeNNW 3 Bf Gentle breezeNNW 4 Bf Moderate breezeN 4 Bf Moderate breezeNNW 3 Bf Gentle breezeWNW 4 Bf Moderate breezeW 4 Bf Moderate breezeW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeW 5 Bf Fresh breezeWSW 6 Bf Strong breezeWSW 10 Bf Storm
09:00NNE 4 Bf Moderate breezeNNE 4 Bf Moderate breezeN 3 Bf Gentle breezeNNW 3 Bf Gentle breezeNW 3 Bf Gentle breezeNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeW 4 Bf Moderate breezeWSW 4 Bf Moderate breezeW 5 Bf Fresh breezeWSW 7 Bf Near galeWSW 10 Bf Storm
12:00NNE 4 Bf Moderate breezeNNE 4 Bf Moderate breezeNNE 4 Bf Moderate breezeN 3 Bf Gentle breezeNW 3 Bf Gentle breezeNW 3 Bf Gentle breezeNW 3 Bf Gentle breezeWSW 4 Bf Moderate breezeWSW 4 Bf Moderate breezeWSW 5 Bf Fresh breezeWSW 7 Bf Near galeWSW 9 Bf Strong gale
15:00N 5 Bf Fresh breezeNNE 4 Bf Moderate breezeNNE 3 Bf Gentle breezeN 3 Bf Gentle breezeNW 3 Bf Gentle breezeNW 3 Bf Gentle breezeWNW 2 Bf Light breezeWSW 3 Bf Gentle breezeWSW 4 Bf Moderate breezeWSW 5 Bf Fresh breezeWSW 6 Bf Strong breezeWSW 9 Bf Strong gale
18:00NNE 3 Bf Gentle breezeNNE 3 Bf Gentle breezeN 3 Bf Gentle breezeNW 3 Bf Gentle breezeNW 3 Bf Gentle breezeNW 2 Bf Light breezeN 1 Bf Light airW 1 Bf Light airWSW 3 Bf Gentle breezeWSW 4 Bf Moderate breezeWSW 6 Bf Strong breezeWSW 10 Bf Storm
21:00N 4 Bf Moderate breezeN 5 Bf Fresh breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeN 4 Bf Moderate breezeNNE 3 Bf Gentle breezeNE 2 Bf Light breezeENE 2 Bf Light breezeSSW 2 Bf Light breezeSSW 3 Bf Gentle breezeSW 5 Bf Fresh breezeWSW 9 Bf Strong gale
Time 950hPa
540m
900hPa
988m
850hPa
1456m
800hPa
1948m
750hPa
2465m
700hPa
3010m
650hPa
3589m
600hPa
4204m
550hPa
4863m
500hPa
5572m
400hPa
7182m
300hPa
9160m
00:00NNE 5 Bf Fresh breezeNNE 6 Bf Strong breezeNNE 5 Bf Fresh breezeN 4 Bf Moderate breezeN 4 Bf Moderate breezeNNE 3 Bf Gentle breezeNE 2 Bf Light breezeSE 1 Bf Light airSW 2 Bf Light breezeSW 3 Bf Gentle breezeS 2 Bf Light breezeWSW 6 Bf Strong breeze
03:00NNE 8 Bf GaleNNE 8 Bf GaleNNE 7 Bf Near galeN 5 Bf Fresh breezeN 5 Bf Fresh breezeNNE 4 Bf Moderate breezeNNE 2 Bf Light breezeN 1 Bf Light airNNW 1 Bf Light airNW 2 Bf Light breezeN 1 Bf Light airNNW 4 Bf Moderate breeze
06:00NNE 8 Bf GaleNNE 8 Bf GaleNNE 7 Bf Near galeNNE 7 Bf Near galeNNE 6 Bf Strong breezeN 5 Bf Fresh breezeNNW 3 Bf Gentle breezeNNW 4 Bf Moderate breezeN 3 Bf Gentle breezeN 3 Bf Gentle breezeNNW 4 Bf Moderate breezeNW 6 Bf Strong breeze
09:00N 8 Bf GaleNNE 8 Bf GaleNNE 7 Bf Near galeNNE 6 Bf Strong breezeN 5 Bf Fresh breezeN 5 Bf Fresh breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeN 4 Bf Moderate breezeNNW 5 Bf Fresh breezeNW 5 Bf Fresh breeze
12:00N 8 Bf GaleNNE 8 Bf GaleNNE 7 Bf Near galeNNE 6 Bf Strong breezeN 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNNW 3 Bf Gentle breezeNW 3 Bf Gentle breezeNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeW 6 Bf Strong breeze
15:00N 8 Bf GaleNNE 8 Bf GaleNNE 7 Bf Near galeN 5 Bf Fresh breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeWNW 5 Bf Fresh breezeW 6 Bf Strong breeze
18:00N 8 Bf GaleNNE 8 Bf GaleNNE 6 Bf Strong breezeNNW 5 Bf Fresh breezeNNW 5 Bf Fresh breezeNNW 5 Bf Fresh breezeNNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeWNW 5 Bf Fresh breezeWNW 6 Bf Strong breeze
21:00N 7 Bf Near galeNNE 7 Bf Near galeN 6 Bf Strong breezeNNW 6 Bf Strong breezeNNW 6 Bf Strong breezeNNW 6 Bf Strong breezeNNW 5 Bf Fresh breezeNNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeWNW 6 Bf Strong breezeWNW 8 Bf Gale
Time 950hPa
540m
900hPa
988m
850hPa
1456m
800hPa
1948m
750hPa
2465m
700hPa
3010m
650hPa
3589m
600hPa
4204m
550hPa
4863m
500hPa
5572m
400hPa
7182m
300hPa
9160m
00:00N 7 Bf Near galeNNE 7 Bf Near galeNNE 6 Bf Strong breezeN 6 Bf Strong breezeN 6 Bf Strong breezeN 5 Bf Fresh breezeN 4 Bf Moderate breezeNNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeNW 5 Bf Fresh breezeWNW 6 Bf Strong breezeW 9 Bf Strong gale
03:00N 7 Bf Near galeNNE 7 Bf Near galeNNE 7 Bf Near galeNNE 7 Bf Near galeN 6 Bf Strong breezeN 5 Bf Fresh breezeNNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeNW 5 Bf Fresh breezeWNW 7 Bf Near galeW 9 Bf Strong gale
06:00N 7 Bf Near galeNNE 8 Bf GaleNNE 8 Bf GaleNNE 8 Bf GaleNNE 7 Bf Near galeN 5 Bf Fresh breezeN 4 Bf Moderate breezeNW 4 Bf Moderate breezeNNW 5 Bf Fresh breezeNW 5 Bf Fresh breezeWNW 8 Bf GaleW 9 Bf Strong gale
09:00NNE 8 Bf GaleNNE 8 Bf GaleNNE 8 Bf GaleNNE 7 Bf Near galeNNE 6 Bf Strong breezeN 5 Bf Fresh breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNW 5 Bf Fresh breezeNW 5 Bf Fresh breezeWNW 6 Bf Strong breezeW 8 Bf Gale
12:00N 8 Bf GaleNNE 8 Bf GaleNNE 8 Bf GaleNNE 7 Bf Near galeN 5 Bf Fresh breezeNNW 5 Bf Fresh breezeNNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeNW 5 Bf Fresh breezeNW 5 Bf Fresh breezeWNW 6 Bf Strong breezeW 8 Bf Gale
15:00N 7 Bf Near galeNNE 7 Bf Near galeNNE 7 Bf Near galeN 6 Bf Strong breezeN 5 Bf Fresh breezeNNW 5 Bf Fresh breezeNNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeNW 5 Bf Fresh breezeWNW 5 Bf Fresh breezeWNW 6 Bf Strong breezeW 8 Bf Gale
18:00N 7 Bf Near galeN 7 Bf Near galeN 7 Bf Near galeN 6 Bf Strong breezeN 6 Bf Strong breezeN 5 Bf Fresh breezeNNW 5 Bf Fresh breezeNNW 4 Bf Moderate breezeNW 5 Bf Fresh breezeWNW 5 Bf Fresh breezeNW 5 Bf Fresh breezeW 6 Bf Strong breeze
21:00NNE 7 Bf Near galeN 6 Bf Strong breezeN 7 Bf Near galeN 7 Bf Near galeNNW 7 Bf Near galeNNW 6 Bf Strong breezeNNW 5 Bf Fresh breezeNNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeNW 5 Bf Fresh breezeWNW 5 Bf Fresh breezeW 5 Bf Fresh breeze
Time 950hPa
540m
900hPa
988m
850hPa
1456m
800hPa
1948m
750hPa
2465m
700hPa
3010m
650hPa
3589m
600hPa
4204m
550hPa
4863m
500hPa
5572m
400hPa
7182m
300hPa
9160m
00:00N 5 Bf Fresh breezeNNE 5 Bf Fresh breezeNNE 5 Bf Fresh breezeN 6 Bf Strong breezeN 7 Bf Near galeN 6 Bf Strong breezeN 4 Bf Moderate breezeNW 3 Bf Gentle breezeNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeW 5 Bf Fresh breeze
03:00N 5 Bf Fresh breezeNNE 6 Bf Strong breezeNNE 6 Bf Strong breezeNNE 6 Bf Strong breezeN 6 Bf Strong breezeNNE 6 Bf Strong breezeN 3 Bf Gentle breezeNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeW 6 Bf Strong breeze
06:00N 6 Bf Strong breezeNNE 7 Bf Near galeNNE 7 Bf Near galeNNE 7 Bf Near galeNNE 6 Bf Strong breezeNNE 5 Bf Fresh breezeN 3 Bf Gentle breezeNNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeW 5 Bf Fresh breezeW 7 Bf Near gale
09:00N 7 Bf Near galeNNE 7 Bf Near galeNNE 7 Bf Near galeNNE 7 Bf Near galeNNE 6 Bf Strong breezeNNE 4 Bf Moderate breezeN 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeW 5 Bf Fresh breezeW 7 Bf Near gale
12:00N 7 Bf Near galeNNE 7 Bf Near galeNNE 7 Bf Near galeNNE 7 Bf Near galeNNE 6 Bf Strong breezeNNE 4 Bf Moderate breezeN 3 Bf Gentle breezeNNW 4 Bf Moderate breezeNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeW 5 Bf Fresh breezeW 7 Bf Near gale
15:00N 7 Bf Near galeNNE 7 Bf Near galeNNE 7 Bf Near galeNNE 6 Bf Strong breezeNNE 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeNW 3 Bf Gentle breezeW 4 Bf Moderate breezeW 6 Bf Strong breezeWSW 7 Bf Near gale
18:00N 7 Bf Near galeNNE 7 Bf Near galeNNE 6 Bf Strong breezeN 5 Bf Fresh breezeN 5 Bf Fresh breezeN 5 Bf Fresh breezeNNW 4 Bf Moderate breezeNNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeW 4 Bf Moderate breezeW 6 Bf Strong breezeW 7 Bf Near gale
21:00NNE 7 Bf Near galeNNE 7 Bf Near galeNNE 7 Bf Near galeN 6 Bf Strong breezeN 6 Bf Strong breezeN 6 Bf Strong breezeN 5 Bf Fresh breezeNNW 3 Bf Gentle breezeWNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeWNW 5 Bf Fresh breezeW 7 Bf Near gale
Time 950hPa
540m
900hPa
988m
850hPa
1456m
800hPa
1948m
750hPa
2465m
700hPa
3010m
650hPa
3589m
600hPa
4204m
550hPa
4863m
500hPa
5572m
400hPa
7182m
300hPa
9160m
00:00NNE 6 Bf Strong breezeNNE 6 Bf Strong breezeN 6 Bf Strong breezeN 6 Bf Strong breezeN 6 Bf Strong breezeN 6 Bf Strong breezeN 4 Bf Moderate breezeNW 3 Bf Gentle breezeWNW 5 Bf Fresh breezeWNW 5 Bf Fresh breezeWNW 5 Bf Fresh breezeW 7 Bf Near gale
03:00NNE 5 Bf Fresh breezeNNE 5 Bf Fresh breezeN 5 Bf Fresh breezeN 6 Bf Strong breezeN 6 Bf Strong breezeN 6 Bf Strong breezeNNE 3 Bf Gentle breezeNW 3 Bf Gentle breezeNW 4 Bf Moderate breezeWNW 5 Bf Fresh breezeW 6 Bf Strong breezeW 7 Bf Near gale
06:00NNE 6 Bf Strong breezeNNE 6 Bf Strong breezeN 6 Bf Strong breezeNNE 6 Bf Strong breezeN 6 Bf Strong breezeN 6 Bf Strong breezeNNW 3 Bf Gentle breezeNW 4 Bf Moderate breezeWNW 5 Bf Fresh breezeWNW 5 Bf Fresh breezeW 5 Bf Fresh breezeW 7 Bf Near gale
09:00NNE 6 Bf Strong breezeNNE 6 Bf Strong breezeN 6 Bf Strong breezeN 6 Bf Strong breezeN 7 Bf Near galeN 6 Bf Strong breezeNNW 5 Bf Fresh breezeNNW 5 Bf Fresh breezeNW 4 Bf Moderate breezeWNW 5 Bf Fresh breezeWNW 5 Bf Fresh breezeW 7 Bf Near gale
12:00N 6 Bf Strong breezeN 6 Bf Strong breezeN 6 Bf Strong breezeN 6 Bf Strong breezeN 6 Bf Strong breezeN 6 Bf Strong breezeNNW 5 Bf Fresh breezeNW 4 Bf Moderate breezeNW 3 Bf Gentle breezeWNW 4 Bf Moderate breezeWNW 6 Bf Strong breezeW 7 Bf Near gale
15:00N 5 Bf Fresh breezeN 5 Bf Fresh breezeN 6 Bf Strong breezeNNW 6 Bf Strong breezeNNW 6 Bf Strong breezeNNW 6 Bf Strong breezeNNW 5 Bf Fresh breezeNNW 4 Bf Moderate breezeWNW 3 Bf Gentle breezeW 4 Bf Moderate breezeW 6 Bf Strong breezeW 8 Bf Gale
18:00N 5 Bf Fresh breezeN 5 Bf Fresh breezeNNW 6 Bf Strong breezeNNW 6 Bf Strong breezeNNW 6 Bf Strong breezeNNW 6 Bf Strong breezeNNW 6 Bf Strong breezeNNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeW 5 Bf Fresh breezeWSW 6 Bf Strong breezeWSW 8 Bf Gale
21:00NNW 4 Bf Moderate breezeNNW 5 Bf Fresh breezeNNW 5 Bf Fresh breezeNNW 6 Bf Strong breezeNNW 6 Bf Strong breezeN 7 Bf Near galeN 5 Bf Fresh breezeNNW 4 Bf Moderate breezeWNW 4 Bf Moderate breezeW 4 Bf Moderate breezeWSW 5 Bf Fresh breezeWSW 9 Bf Strong gale