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 07:01 AM and sunset is at 04:09 PM.

Days 1–3 Weather Summary

Moderate rain (total 11mm), heaviest on Fri afternoon. Icy conditions (max 13°C on Fri morning, min -1°C on Fri night). Winds decreasing (severe gales from the S on Fri morning, light winds from the WSW by Sat afternoon).

Days 4–6 Weather Summary

Light rain (total 3mm), mostly falling on Tue afternoon. Icy conditions (max 7°C on Sun morning, min -4°C on Mon morning). Winds decreasing (near gales from the NW on Mon morning, light winds from the WNW by Mon night).

Days 7–9 Weather Summary

Moderate rain (total 10mm), heaviest on Fri afternoon. Freeze-thaw conditions (max 8°C on Fri afternoon, min -2°C on Wed night). Winds increasing (light winds from the SSW on Thu night, near gales from the NW by Fri night).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Mon afternoon, min -2°C on Sat night). Winds increasing (light winds from the WNW on Sun morning, near gales from the NW by Tue morning).

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
PM
night
Wave Height Map
High Tide
10:06AM3.12m
10:46PM2.69m
10:45AM3.15m
11:26PM2.70m
11:24AM3.16m
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
Low Tide
4:49PM0.16m
4:49AM0.49m
5:28PM0.12m
5:29AM0.47m
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
Wave
height (m) 
direction
period (s) 
0.5
SE
9
0.7
SSE
3
1.3
SSE
5
2.5
SE
7
3
SE
10
2.5
WNW
6
1.9
NW
6
1
SE
10
1.1
SSW
4
1.5
WSW
5
1.5
WNW
5
1.8
NW
6
2.5
NNW
7
2.1
NNW
6
1
N
5
0.8
SW
4
1.5
WSW
5
1.8
WNW
6
2
NNW
6
2
N
7
1.8
NE
8
1.1
NE
7
0.9
NE
7
0.8
W
4
0.3
ENE
11
0.8
SSE
4
0.7
W
3
2.4
N
7
2.2
N
7
1.6
NE
8
1.1
NE
7
0.8
NE
7
0.6
NE
6
0.5
NNW
3
0.6
NNE
4
1
NW
4
clear
clear
rain showers
light rain
rain showers
part cloud
clear
part cloud
cloud
clear
part cloud
cloud
part cloud
clear
part cloud
light rain
rain showers
part cloud
part cloud
part cloud
clear
part cloud
clear
cloud
light rain
mod rain
part cloud
clear
part cloud
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
rain shwrs
light rain
rain shwrs
some clouds
clear
some clouds
cloudy
clear
some clouds
cloudy
some clouds
clear
some clouds
light rain
rain shwrs
some clouds
some clouds
some clouds
clear
some clouds
clear
cloudy
light rain
mod rain
some clouds
clear
some clouds
clear
some clouds
cloudy
some clouds
clear
clear
clear
 km/h
10
SSE
30
S
40
S
70
S
40
WSW
55
W
35
WNW
10
WSW
45
SSW
40
WSW
40
WNW
45
WNW
55
NW
45
NW
20
WNW
35
SSW
50
WSW
45
WNW
45
NW
40
NNW
30
NNE
10
SW
30
SW
25
W
20
S
30
S
30
W
50
NNW
40
N
25
N
10
WNW
10
WNW
15
WNW
15
N
15
NW
35
WNW
 mm 
1
5
5
1
2
3
7
max°C
4
7
12
13
10
2
1
2
8
7
4
0
-3
-2
0
3
3
4
2
2
-1
-1
2
2
6
8
7
0
0
0
-2
0
1
2
3
2
Moonrise
6:05
7:03
7:55
8:39
9:16
9:46
10:11
10:33
10:54
11:15
11:38
12:04
Moonset
2:43
3:30
4:26
5:28
6:34
7:42
8:50
9:58
11:07
12:17
1:32
Sunrise
7:01
7:03
7:03
7:03
7:05
7:05
7:05
7:05
7:05
7:05
7:07
7:07
Sunset
4:09
4:10
4:10
4:12
4:12
4:13
4:13
4:14
4:14
4:15
4:15
4:16
Today's sea temperature in Wellfleet, Cape Cod Bay is
7.2° C
(Statistics for 18 Dec 1981-2005 – mean: 7.5 max: 9.8 min: 5.7°C)
Issued (local time): 6 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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