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Surf Size, Swell Size, Swell Period & Direction, Wind Speed & Direction

 

South_Portland
Coordinates: 43.5N -70.25W
Start Time (GMT): 18Z21DEC2025
Local Time Zone: GMT -5
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Surf Hgt
ft
10
8
6
4
2

4.0

3.1

1.9

2.1

2.1

1.9

1.8

1.5

1.4

1.3

1.2

1.1

1.1

1.0

0.9

0.9

0.9

0.9

0.8

0.8

0.8

1.8

2.1

2.8

4.3

4.4

4.3

4.1

3.9

3.7

3.7

3.5

3.4

3.3

3.1

2.8

2.7

2.5

2.3

2.0

2.2

3.4

5.7

6.6

6.6

0.6

0.8

1.3

4.4

3.5

2.9

2.7

2.2

1.9

1.6

1.7

1.5

1.3

1.2

1.6

1.3

Wind
kts
30
25
20
15
10
5

22

24

20

22

18

17

15

12

8

9

12

11

10

7

6

3

4

7

13

14

11

13

30

24

17

10

8

10

7

5

6

7

7

8

5

7

8

9

11

16

22

26

35

28

25

22

21

18

10

4

1

4

11

17

21

21

20

20

16

19

19

WDir
dg
WDir
dg

W

WNW

WNW

WNW

WNW

WNW

WNW

NW

WNW

WNW

W

W

W

NW

N

NNE

ENE

E

SE

SE

SE

NW

NNW

N

N

N

N

N

NW

WSW

W

WSW

WSW

WSW

NW

N

NNE

NE

E

E

E

ENE

NNE

NNE

N

N

NNE

NNE

N

N

NNW

WSW

SW

SW

SW

SW

SW

SW

WSW

WNW

WNW

   

21 Su 13

21 Su 16

21 Su 19

21 Su 22

22 Mo 01

22 Mo 04

22 Mo 07

22 Mo 10

22 Mo 13

22 Mo 16

22 Mo 19

22 Mo 22

23 Tu 01

23 Tu 04

23 Tu 07

23 Tu 10

23 Tu 13

23 Tu 16

23 Tu 19

23 Tu 22

24 We 01

24 We 04

24 We 07

24 We 10

24 We 13

24 We 16

24 We 19

24 We 22

25 Th 01

25 Th 04

25 Th 07

25 Th 10

25 Th 13

25 Th 16

25 Th 19

25 Th 22

26 Fr 01

26 Fr 04

26 Fr 07

26 Fr 10

26 Fr 13

26 Fr 16

26 Fr 19

26 Fr 22

27 Sa 01

27 Sa 04

27 Sa 07

27 Sa 10

27 Sa 13

27 Sa 16

27 Sa 19

27 Sa 22

28 Su 01

28 Su 04

28 Su 07

28 Su 10

28 Su 13

28 Su 16

28 Su 19

28 Su 22

29 Mo 01

Date/Day/Time (Local - 24 hr)
Swell Hgt
ft

12

10

8

6

4

2

4.5

3.6

2.1

2.4

2.0

1.9

1.8

1.6

1.5

1.3

1.3

1.2

1.1

1.1

1.0

1.0

1.0

0.9

0.9

0.8

0.8

3.4

3.4

4.4

5.9

5.7

5.3

5.0

4.6

4.4

4.2

3.9

3.7

3.5

3.2

2.9

2.7

2.5

2.3

2.0

4.5

5.9

8.5

8.5

7.9

0.7

0.9

1.2

4.6

3.6

2.9

2.5

1.9

1.6

1.4

1.3

1.2

1.1

1.0

2.8

2.2

Swell Per
sec

25

20

15

10

5

8.8

8.7

9.2

8.7

10.2

10.0

9.7

9.6

9.4

9.3

9.2

9.1

9.2

9.2

9.3

9.6

9.6

9.6

9.6

9.6

9.5

5.4

6.0

6.5

7.2

7.7

8.0

8.3

8.4

8.5

8.8

8.9

9.2

9.5

9.6

9.6

9.8

10.1

10.1

10.2

4.9

5.8

6.8

7.8

8.4

8.8

9.3

10.9

9.5

9.7

10.0

10.9

11.5

11.5

11.5

12.4

12.3

12.2

12.2

5.8

5.8

SDir
dg
SDir
dg

159

151

125

136

124

123

121

119

118

117

116

115

114

114

113

113

113

113

113

113

113

114

108

96

84

95

99

102

103

104

104

104

104

104

102

100

99

99

99

96

100

92

69

68

69

167

166

162

76

80

84

86

86

87

88

91

92

93

94

183

179

   

21 Su 13

21 Su 16

21 Su 19

21 Su 22

22 Mo 01

22 Mo 04

22 Mo 07

22 Mo 10

22 Mo 13

22 Mo 16

22 Mo 19

22 Mo 22

23 Tu 01

23 Tu 04

23 Tu 07

23 Tu 10

23 Tu 13

23 Tu 16

23 Tu 19

23 Tu 22

24 We 01

24 We 04

24 We 07

24 We 10

24 We 13

24 We 16

24 We 19

24 We 22

25 Th 01

25 Th 04

25 Th 07

25 Th 10

25 Th 13

25 Th 16

25 Th 19

25 Th 22

26 Fr 01

26 Fr 04

26 Fr 07

26 Fr 10

26 Fr 13

26 Fr 16

26 Fr 19

26 Fr 22

27 Sa 01

27 Sa 04

27 Sa 07

27 Sa 10

27 Sa 13

27 Sa 16

27 Sa 19

27 Sa 22

28 Su 01

28 Su 04

28 Su 07

28 Su 10

28 Su 13

28 Su 16

28 Su 19

28 Su 22

29 Mo 01

Date/Day/Time (Local - 24 hr)

.
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