Napa Sea Conditions and Tide Table

Napa 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 06:16 AM and sunset is at 07:57 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Thu afternoon, min 10°C on Tue night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Fri afternoon, min 9°C on Sun night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 21°C on Wed afternoon, min 9°C on Mon night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 23°C on Thu afternoon, min 8°C on Sat night). Wind will be generally light.

Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wed
13
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
12:47PM1.82m
00:56AM2.18m
1:43PM1.80m
1:24AM2.20m
2:35PM1.78m
1:49AM2.20m
3:23PM1.76m
2:15AM2.19m
4:10PM1.73m
2:42AM2.16m
4:57PM1.70m
3:13AM2.12m
5:46PM1.68m
6:38PM1.65m
7:34PM1.65m
5:13AM1.94m
8:29PM1.66m
6:07AM1.86m
9:17PM1.71m
7:11AM1.78m
9:55PM1.77m
8:24AM1.72m
10:27PM1.86m
9:41AM1.68m
10:58PM1.96m
10:57AM1.68m
Low Tide
7:07AM0.19m
6:53PM0.32m
7:49AM0.04m
7:30PM0.45m
8:26AM-0.08m
8:05PM0.57m
9:01AM-0.16m
8:40PM0.69m
9:35AM-0.20m
9:15PM0.79m
10:10AM-0.21m
9:50PM0.87m
10:46AM-0.20m
10:27PM0.94m
11:27AM-0.16m
11:10PM1.00m
12:11PM-0.10m
00:05AM1.03m
1:01PM-0.04m
1:20AM1.04m
1:55PM0.01m
2:42AM0.98m
2:49PM0.06m
3:53AM0.86m
3:41PM0.12m
4:50AM0.67m
4:30PM0.19m
5:39AM0.45m
Wave
height (m) 
direction
period (s) 
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
clear
clear
some clouds
some clouds
cloudy
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
 km/h
5
S
15
SW
5
WNW
5
SSW
15
SW
5
WSW
5
SW
10
SW
5
WSW
5
SSW
10
SW
5
WSW
10
SSW
15
SW
10
WSW
10
SW
15
SSW
5
W
10
SW
15
SW
5
NW
10
WSW
15
WSW
10
WNW
5
SW
15
WSW
5
WSW
5
SSW
15
WSW
5
W
10
WSW
15
SW
5
WSW
10
SW
20
WSW
5
W
5
WSW
15
SW
5
WNW
5
WSW
10
SW
5
NW
10
N
5
W
5
NNW
5
NE
5
W
 mm 
max°C
17
21
15
19
23
15
19
24
18
21
24
16
18
21
12
16
19
14
17
18
14
17
20
15
18
21
15
19
23
15
18
21
14
19
23
15
18
24
17
24
30
23
30
35
27
33
39
Moonrise
5:24
6:26
7:28
8:31
9:33
10:32
11:28
12:17
1:00
1:36
2:07
2:34
2:59
3:24
3:48
Moonset
4:36
4:59
5:22
5:49
6:19
6:55
7:37
8:26
9:22
10:22
11:24
12:28
1:32
2:37
3:44
4:54
Sunrise
6:16
6:15
6:13
6:11
6:11
6:09
6:09
6:07
6:07
6:05
6:05
6:03
6:03
6:01
6:01
6:00
Sunset
7:57
7:58
7:59
8:00
8:00
8:01
8:02
8:02
8:04
8:05
8:06
8:07
8:07
8:08
8:09
8:10
Today's sea temperature in Napa is
17.1° C
(Statistics for 28 Apr 1981-2005 – mean: 11.7 max: 14.1 min: 10.1°C)
Issued (local time): 4 am Tuesday 28 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest