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

Light rain (total 9mm), mostly falling on Fri afternoon. Icy conditions (max 13°C on Fri morning, min -1°C on Sat morning). Winds increasing (light winds from the SSE on Thu morning, gales from the S by Fri morning).

Days 4–6 Weather Summary

Light rain (total 2mm), 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 12mm), heaviest on Fri morning. Freeze-thaw conditions (max 10°C on Fri afternoon, min -4°C on Wed night). Winds increasing (light winds from the WSW on Wed night, near gales from the SW by Thu night).

Days 10–12 Weather Summary

Light rain (total 6mm), mostly falling on Sun night. Mild temperatures (max 5°C on Sun night, min 1°C on Mon night). Winds increasing (light winds from the SSE on Sat night, strong winds from the N by Mon night).

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
S
3
1.2
SSE
5
2.4
SSE
6
3
SE
10
2.4
WNW
6
1.9
WNW
6
1
SE
11
1
ESE
10
1.4
WSW
5
1.5
WNW
5
1.9
NW
6
2.5
NNW
7
2.1
NNW
6
1
N
6
0.9
WSW
4
1.8
WSW
5
1.6
WNW
6
2.5
NW
7
2.2
NNW
7
1.4
NNE
7
0.8
NE
7
0.9
WSW
4
1.1
SSW
4
2
SW
6
1.1
SW
5
1.3
NW
5
0.8
N
5
0.7
NE
6
0.6
NE
5
0.4
SE
7
0.4
SSE
2
0.4
SE
4
0.4
SE
4
0.4
SE
4
1.8
N
6
clear
clear
rain showers
light rain
light rain
light rain
clear
part cloud
part cloud
clear
part cloud
cloud
part cloud
clear
part cloud
cloud
rain showers
part cloud
part cloud
clear
clear
clear
part cloud
mod rain
mod rain
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
light rain
cloud
clear
clear
rain shwrs
light rain
light rain
light rain
clear
some clouds
some clouds
clear
some clouds
cloudy
some clouds
clear
some clouds
cloudy
rain shwrs
some clouds
some clouds
clear
clear
clear
some clouds
mod rain
mod rain
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
light rain
cloudy
light rain
cloudy
 km/h
10
SSE
30
S
40
S
65
SSE
60
SSW
55
W
40
WNW
15
W
40
SSW
40
WSW
45
WNW
45
WNW
55
NW
45
NW
20
WNW
40
SSW
55
WSW
45
W
55
NW
45
NNW
25
NNW
25
SW
35
SW
40
SSW
55
SW
30
SW
35
NW
10
N
15
ENE
10
SSE
15
SSE
20
SSE
15
SSE
5
WNW
20
NNW
45
N
 mm 
1
3
4
1
2
6
6
5
1
max°C
5
7
12
13
12
3
1
3
8
7
4
0
-4
-3
-1
3
3
4
-3
-2
-3
0
3
9
9
10
7
3
3
4
4
4
5
5
5
4
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): 12 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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