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 06:11 AM and sunset is at 08:00 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Cool air temperatures (max 19°C on Sat afternoon, min 9°C on Sat night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 25°C on Thu afternoon, min 9°C on Wed night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 30°C on Sun afternoon, min 12°C on Sat night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 33°C on Mon afternoon, min 11°C on Wed night). Wind will be generally light.

Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sun
17
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
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
11:28PM2.08m
12:08PM1.71m
00:00AM2.20m
1:13PM1.76m
00:34AM2.32m
2:14PM1.80m
1:11AM2.41m
3:12PM1.83m
Low Tide
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
5:16PM0.28m
6:24AM0.19m
6:00PM0.39m
7:08AM-0.06m
6:44PM0.50m
7:52AM-0.30m
7:29PM0.61m
8:37AM-0.47m
Wave
height (m) 
direction
period (s) 
cloud
cloud
part cloud
cloud
clear
clear
part cloud
cloud
light rain
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
cloudy
some clouds
cloudy
clear
clear
some clouds
cloudy
light rain
some clouds
some clouds
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
 km/h
10
SSW
10
WSW
5
WSW
10
SW
20
WSW
5
W
10
WSW
15
WSW
5
WSW
5
WSW
10
WSW
5
W
5
SSW
10
SW
5
WSW
5
SW
15
SW
5
WSW
5
WSW
10
SW
5
W
5
WSW
10
SW
5
WSW
5
SW
10
SW
5
W
5
S
10
SW
5
W
5
S
10
SW
5
W
5
SSW
10
SW
5
W
5
SW
10
SW
5
W
5
SW
15
SW
5
WSW
5
SSW
10
SW
5
WSW
10
SSW
10
SW
 mm 
2
max°C
16
19
13
17
19
12
15
18
13
16
19
14
18
22
15
20
25
17
21
26
19
25
29
19
23
30
21
28
33
22
28
33
23
24
29
19
23
28
19
24
28
19
24
29
19
22
24
Moonrise
9:33
10:32
11:28
12:17
1:00
1:36
2:07
2:34
2:59
3:24
3:48
4:15
4:46
5:25
6:13
Moonset
6:19
6:55
7:37
8:26
9:22
10:22
11:24
12:28
1:32
2:37
3:44
4:54
6:08
7:26
8:46
Sunrise
6:11
6:09
6:09
6:07
6:07
6:05
6:05
6:03
6:03
6:01
6:01
6:00
5:58
5:58
5:56
5:56
Sunset
8:00
8:01
8:02
8:02
8:04
8:05
8:06
8:07
8:07
8:08
8:09
8:10
8:12
8:13
8:13
8:14
Today's sea temperature in Napa is
18.7° C
(Statistics for 02 May 1981-2005 – mean: 11.7 max: 14.1 min: 10.1°C)
Issued (local time): 4 am Saturday 02 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest