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 06:31 AM and sunset is at 07:45 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 21°C on Fri afternoon, min 10°C on Thu morning). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 30mm), heaviest during Tue afternoon. Warm air temperatures (max 20°C on Sun afternoon, min 11°C on Sun night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 2mm), mostly falling on Wed morning. Warm (max 24°C on Fri afternoon, min 9°C on Wed night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 30°C on Mon afternoon, min 14°C on Sun night). Wind will be generally light.

Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Fri
1
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
2:09PM1.94m
1:54AM2.28m
3:05PM1.92m
2:28AM2.36m
4:02PM1.88m
3:05AM2.40m
5:02PM1.83m
6:08PM1.78m
7:18PM1.76m
5:33AM2.23m
8:30PM1.78m
6:40AM2.11m
9:36PM1.83m
7:56AM1.99m
10:30PM1.91m
9:17AM1.91m
11:14PM2.00m
10:36AM1.86m
11:52PM2.08m
11:45AM1.83m
00:26AM2.14m
12:47PM1.82m
00:56AM2.18m
1:43PM1.80m
1:24AM2.20m
2:35PM1.78m
Low Tide
8:11AM-0.01m
8:06PM0.35m
8:53AM-0.20m
8:44PM0.48m
9:38AM-0.34m
9:25PM0.61m
10:26AM-0.42m
10:10PM0.73m
11:18AM-0.42m
11:01PM0.84m
12:16PM-0.37m
00:05AM0.92m
1:20PM-0.28m
1:27AM0.95m
2:29PM-0.19m
2:58AM0.89m
3:36PM-0.10m
4:19AM0.75m
4:37PM-0.01m
5:25AM0.56m
5:29PM0.09m
6:20AM0.37m
6:13PM0.20m
7:07AM0.19m
6:53PM0.32m
7:49AM0.04m
7:30PM0.45m
8:26AM-0.08m
Wave
height (m) 
direction
period (s) 
clear
clear
clear
clear
cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
light rain
heavy rain
heavy rain
light rain
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
light rain
heavy rain
heavy rain
light rain
rain shwrs
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
 km/h
15
N
15
N
15
N
5
NNE
10
WSW
5
WNW
5
ESE
5
SSW
5
WNW
10
SW
10
SW
5
NNW
5
SSE
20
WSW
5
N
5
SW
5
NNE
0
W
10
S
10
SW
5
NW
5
W
10
SW
5
WNW
5
SW
10
SW
5
WNW
0
W
10
SW
5
W
0
SW
10
SW
5
W
0
SSW
10
SW
5
W
5
SSW
10
SW
5
WSW
5
SSW
10
SW
5
WSW
5
SW
10
SW
5
WSW
0
WSW
10
SW
 mm 
2
12
16
1
1
max°C
16
20
15
18
21
14
17
21
17
18
20
14
18
20
15
13
13
13
15
17
13
17
21
16
19
24
16
22
28
20
24
28
20
25
30
22
25
29
20
21
25
16
23
27
17
23
26
Moonrise
5:50
6:19
6:53
7:35
8:27
9:29
10:39
11:52
1:04
2:13
3:19
4:22
5:24
6:26
7:28
8:31
Moonset
7:19
8:36
9:54
11:12
12:24
1:24
2:13
2:52
3:24
3:50
4:14
4:36
4:59
5:22
5:49
Sunrise
6:31
6:31
6:28
6:28
6:26
6:24
6:24
6:22
6:20
6:20
6:18
6:16
6:16
6:15
6:13
6:11
Sunset
7:45
7:46
7:47
7:47
7:49
7:50
7:51
7:52
7:52
7:53
7:54
7:55
7:57
7:58
7:59
8:00
Today's sea temperature in Napa is
18.8° C
(Statistics for 16 Apr 1981-2005 – mean: 11.7 max: 13.7 min: 10.6°C)
Issued (local time): 10 am Thursday 16 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest