Bethany surf break

Bethany surfForecast / Delaware / USA

information circle48hr Weather and Surf, issued 1 pm Monday 18 May 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Bethany surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Bethany sea temperature is
13.9° C
(Which is normal for this time of year)

How big are the waves at Bethany today?

The current surf forecast for Bethany at 9PM is: 0.4m 8s primary swell from a Southeast direction and 0.1m 17s secondary swell from a East direction (forecast issued at 01:00pm May 18). An open ocean swell of 0.9m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (18 May)1.5ft (0.4m)8s
Afternoon (18 May)1.5ft (0.4m)8s
Evening (18 May)1.5ft (0.4m)8s

Table - waves today at Bethany. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Wed night. Warm (max 29°C on Mon afternoon, min 14°C on Thu morning). Winds decreasing (fresh winds from the S on Tue night, calm by Wed night).

Mon
18
Tuesday
19
Wednesday
20
Thu
21
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
Rating
(10 max)
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
1
0
0
0
0
0
1
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
ESE
9
0.5
SE
9
0.4
ESE
9
0.4
ESE
9
0.4
SE
8
0.4
ESE
8
0.4
SE
9
0.1
E
16
0.4
ESE
8
0.8
SSE
6
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.4
SE
9
0.8
SSE
6
0.9
SSE
6
0.4
ESE
9
0.4
SE
9
Wave Graph
Metric surfscale
Energy kJ
15
15
15
16
16
18
31
39
31
29
18
28
21
10
24
42
32
32
33
22
43
55
30
21
Wind (km/h)
10
SSE
25
S
30
S
25
S
30
S
25
SSW
20
SSW
20
SSW
20
SSW
25
SSW
30
S
30
S
30
SSW
25
SSW
25
SW
20
SW
15
WSW
20
SSW
25
SSW
20
NW
15
E
0
NE
10
NE
25
NE
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross
cross-on
glassy
on
on
High Tide
9:33AM1.23m
9:45PM1.53m
10:30AM1.21m
10:43PM1.47m
11:31AM1.18m
11:43PM1.39m
Low Tide
3:36PM-0.06m
4:30AM-0.14m
4:28PM-0.02m
5:22AM-0.10m
5:22PM0.04m
6:17AM-0.04m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:45
5:43
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:07
8:07
8:07
8:08
2
1
1
Temp °C
28
29
28
24
23
23
22
22
27
29
27
24
23
24
23
22
27
29
28
23
20
19
18
15
29
27
25
22
20
21
21
21
26
26
23
20
20
22
21
20
26
26
25
21
19
22
19
10
Swell 1
Height (m)
Direction
Period (s)
0.5
S
5
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
ESE
9
0.5
SE
9
0.4
ESE
9
0.4
ESE
9
0.4
SE
8
0.4
ESE
8
0.4
SE
9
0.1
E
16
0.4
ESE
8
0.8
SSE
6
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.4
SE
9
0.8
SSE
6
0.9
SSE
6
0.6
SSE
6
0.5
SSE
6
Energy kJ
13
15
15
16
16
18
31
39
31
29
18
28
21
5
24
42
32
32
33
22
43
55
29
21
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
8
0.1
E
8
0.1
E
14
0.1
E
17
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
16
0.1
E
16
0.1
SE
16
0.1
E
15
0.4
ESE
9
0.1
E
15
0.1
E
15
0.1
E
15
0.1
E
15
0.4
SE
9
0.3
ESE
9
0.4
ESE
9
0.4
SE
9
Energy kJ
15
1
4
6
4
3
3
3
3
3
4
5
5
10
5
30
4
4
4
4
22
17
30
20
Swell 3
Height (m)
Direction
Period (s)
0.1
E
7
0.1
E
18
0.1
E
18
0.1
E
17
0.1
E
17
0.1
E
17
0.1
E
17
0.1
E
16
0.1
E
16
0.1
E
16
0.1
E
13
0.1
E
15
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
15
0.1
E
14
0.1
E
14
0.1
E
14
Energy kJ
1
6
6
6
6
6
6
5
5
5
3
4
3
3
3
4
4
4
4
Wind waves
Height (m)
Direction
Period (s)
0.5
S
5
0.8
S
4
0.9
S
5
1
S
5
1
S
5
0.9
S
5
0.8
S
5
0.8
S
5
0.9
S
5
1.1
S
5
1.1
S
5
1.2
S
6
1.2
S
6
1
S
6
0.4
SW
3
0.7
S
6
0.8
S
5
0.9
S
5
1
S
5
0.3
NNE
2
0.7
NNE
4
Energy kJ
13
22
34
44
52
47
37
34
40
60
62
91
101
66
2
29
37
40
50
1
11
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
Distance (km)
35
1043
1043
419
602
542
0
0
201
602
213
206
233
419
212
0
28
195
181
14
72
0
46
202
Best forecast wave conditions in Delaware
Rating
(10 max)
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
4
4
4
4
3
3
3
3
1
3
3
4
3
4
3
1
2
2
3
1
3
Header Global
Rating
(10 max)
5
5
4
4
4
4
4
4
5
4
5
5
5
4
5
5
4
5
5
4
4
5
5
4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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