Wellfleet, Cape Cod Bay Sea Conditions and Tide Table

Wellfleet, Cape Cod Bay Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at — and sunset is at 04:10 PM.

Days 1–4 Weather Summary

A dusting of new snow. Icy conditions (max 7°C on Sat night, min -3°C on Sun night). Winds decreasing (strong winds from the NW on Sun night, light winds from the W by Tue morning).

Days 5–7 Weather Summary

Light rain (total 5mm), mostly falling on Fri morning. Low air temperatures (max 9°C on Fri morning, min 1°C on Tue afternoon). Winds increasing (calm on Wed afternoon, strong winds from the SW by Fri morning).

Days 8–10 Weather Summary

Light rain (total 2mm), mostly falling on Sun night. Freeze-thaw conditions (max 10°C on Fri afternoon, min -4°C on Sat morning). Winds decreasing (strong winds from the NW on Fri afternoon, light winds from the E by Sat night).

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 4°C on Mon afternoon, min -2°C on Tue morning). Winds decreasing (near gales from the NNE on Mon night, light winds from the N by Wed night).

Sat
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thu
1
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
Wave Height Map
High Tide
00:06AM2.71m
12:04PM3.17m
00:45AM2.72m
12:44PM3.16m
1:24AM2.74m
1:24PM3.15m
2:04AM2.77m
2:06PM3.12m
2:44AM2.81m
2:51PM3.08m
3:28AM2.88m
3:40PM3.02m
4:16AM2.96m
4:34PM2.96m
5:07AM3.07m
5:32PM2.91m
6:00AM3.19m
6:31PM2.88m
6:56AM3.31m
7:34PM2.89m
7:54AM3.44m
8:34PM2.89m
8:50AM3.53m
Low Tide
6:07PM0.10m
6:08AM0.45m
6:46PM0.08m
6:49AM0.45m
7:25PM0.06m
7:31AM0.44m
8:05PM0.06m
8:13AM0.42m
8:46PM0.07m
8:59AM0.40m
9:30PM0.09m
9:50AM0.37m
10:18PM0.12m
10:45AM0.31m
11:08PM0.14m
11:42AM0.22m
00:01AM0.15m
12:41PM0.11m
00:56AM0.15m
1:41PM-0.02m
1:54AM0.13m
2:42PM-0.16m
2:50AM0.12m
Wave
height (m) 
direction
period (s) 
1
SE
10
1.3
SSW
4
1.3
WSW
5
1.7
WNW
6
1.9
NW
6
2
NNW
6
1.7
NNW
6
0.8
N
5
0.8
W
4
0.4
E
10
1.1
NE
5
1
ENE
6
0.9
E
6
0.8
E
7
0.9
E
7
0.9
E
8
0.7
E
9
1
E
10
1.3
W
4
1.9
NNW
6
1.7
NNE
7
1.3
NNE
7
0.7
NE
6
0.5
NE
5
0.8
SE
4
0.9
SE
5
1
ESE
5
1.6
NE
5
2.5
NNE
7
3
NE
8
3
NE
9
2.5
ENE
9
2.2
ENE
10
2
ENE
10
1.8
ENE
12
1.6
ENE
12
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
snow showers
light snow
cloud
light rain
part cloud
part cloud
cloud
part cloud
cloud
light rain
light rain
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
rain showers
cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
snow shwrs
light snow
cloudy
light rain
some clouds
some clouds
cloudy
some clouds
cloudy
light rain
light rain
clear
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
rain shwrs
cloudy
cloudy
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
 km/h
15
WSW
45
SSW
35
WSW
40
WNW
45
WNW
45
NW
35
NW
25
W
25
WSW
5
NE
35
ENE
20
NE
5
E
20
WSW
30
SW
25
SW
20
SW
30
SSW
45
WNW
40
NNW
30
NNE
15
NE
10
E
20
SSE
35
SE
25
ESE
35
NE
40
NNE
55
NNE
55
NNE
45
NNE
40
NNE
30
N
25
N
15
NNE
10
N
 mm 
1
1
3
2
max°C
2
7
6
3
0
-2
0
2
1
3
4
2
2
3
6
6
7
9
10
2
-4
-4
-2
1
3
6
6
4
2
-1
-1
-1
0
1
3
3
Moonrise
8:39
9:16
9:46
10:11
10:33
10:54
11:15
11:38
12:04
12:36
1:17
2:10
Moonset
4:26
5:28
6:34
7:42
8:50
9:58
11:07
12:17
1:32
2:50
4:10
5:30
Sunrise
7:03
7:05
7:05
7:05
7:05
7:05
7:05
7:07
7:07
7:07
7:07
7:07
Sunset
4:10
4:12
4:12
4:13
4:13
4:14
4:14
4:15
4:15
4:16
4:16
4:17
Today's sea temperature in Wellfleet, Cape Cod Bay is
7.3° C
(Statistics for 20 Dec 1981-2005 – mean: 7.3 max: 8.8 min: 5.7°C)
Issued (local time): 6 pm Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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