Arcata Sea Conditions and Tide Table

Arcata 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 07:35 AM and sunset is at 07:16 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Thu afternoon, min 5°C on Tue morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 16°C on Sun morning, min 8°C on Fri morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 22°C on Tue afternoon, min 13°C on Wed night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 3mm), mostly falling on Fri night. Very mild (max 18°C on Thu afternoon, min 6°C on Sat night). Wind will be generally light.

Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wed
25
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
5:16AM1.97m
7:33PM1.31m
6:09AM1.91m
9:14PM1.32m
7:15AM1.87m
10:32PM1.38m
8:27AM1.87m
11:12PM1.46m
9:32AM1.91m
11:41PM1.56m
10:29AM1.97m
00:08AM1.67m
11:20AM2.03m
00:35AM1.80m
12:08PM2.06m
1:02AM1.93m
12:55PM2.06m
1:30AM2.06m
1:42PM2.02m
2:00AM2.18m
2:32PM1.94m
2:31AM2.27m
3:25PM1.83m
3:06AM2.32m
4:23PM1.69m
3:47AM2.33m
5:29PM1.56m
Low Tide
12:49PM0.36m
11:32PM1.16m
1:58PM0.36m
00:50AM1.24m
3:07PM0.31m
2:29AM1.23m
4:06PM0.23m
3:44AM1.14m
4:52PM0.13m
4:41AM0.99m
5:31PM0.06m
5:29AM0.81m
6:07PM0.02m
6:13AM0.61m
6:40PM0.03m
6:55AM0.41m
7:13PM0.10m
7:38AM0.21m
7:46PM0.22m
8:22AM0.04m
8:20PM0.37m
9:09AM-0.08m
8:57PM0.55m
9:59AM-0.13m
9:36PM0.73m
10:55AM-0.13m
10:22PM0.89m
11:57AM-0.09m
Wave
height (m) 
direction
period (s) 
2.1
NW
12
2.3
NW
12
2
NW
13
1.9
NW
12
1.7
NW
12
1.6
NW
11
1.7
WNW
11
1.7
WNW
11
1.5
WNW
10
1.4
NW
10
1.4
NW
10
1.4
NW
10
1.5
WNW
10
1.8
NW
8
1.8
NW
8
1.3
NW
8
1.2
NW
8
1.4
NW
7
1.1
W
10
0.9
SW
18
1.2
WSW
14
1.2
W
12
1.2
W
12
1.2
W
12
1.2
W
12
1.2
W
11
1.1
W
10
1.1
W
10
1.2
W
10
1.2
W
10
1.2
WNW
10
1.1
WNW
9
1.4
WNW
9
1.5
WNW
10
1.4
WNW
10
1.7
WNW
9
2.2
WNW
12
2.2
WNW
12
2
WNW
12
1.8
WNW
11
1.9
WNW
11
2.2
WNW
10
2.2
WNW
10
2.1
WNW
10
1.7
WNW
10
1.3
NW
10
1.1
NW
9
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
light rain
clear
part cloud
part cloud
cloud
cloud
part cloud
mod rain
mod rain
rain showers
rain showers
rain showers
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
light rain
clear
some clouds
some clouds
cloudy
cloudy
some clouds
mod rain
mod rain
rain shwrs
rain shwrs
rain shwrs
clear
clear
some clouds
 km/h
20
N
20
NNW
10
ENE
5
NNW
10
NNW
5
ENE
10
NNW
15
NNW
5
ENE
10
NNW
15
NNW
5
E
15
N
15
NNW
5
E
10
N
10
N
5
ENE
5
N
5
NNW
5
SE
5
NW
5
NW
5
ESE
5
W
5
NW
5
ENE
10
WNW
5
WNW
5
SE
10
NW
10
NW
20
NNW
20
NNW
20
NNW
15
N
15
N
15
NNW
10
ESE
10
SSE
10
NW
10
NNW
5
NNE
15
NNW
10
ESE
0
ENE
5
W
 mm 
3
6
8
10
2
1
max°C
9
10
7
12
13
10
13
14
10
13
14
11
11
12
10
16
16
13
20
21
16
20
22
17
21
19
14
17
18
14
15
15
11
11
11
9
8
9
7
5
6
6
7
9
7
9
12
Moonrise
2:13
3:11
4:02
4:46
5:23
5:54
6:21
6:45
7:08
7:31
7:55
8:23
8:57
9:39
10:32
11:36
Moonset
10:58
11:45
12:40
1:42
2:48
3:56
5:06
6:16
7:27
8:40
9:55
11:13
12:32
1:46
2:53
Sunrise
7:35
7:35
7:33
7:31
7:30
7:28
7:26
7:24
7:22
7:22
7:20
7:18
7:16
7:15
7:13
7:11
Sunset
7:16
7:17
7:19
7:20
7:21
7:22
7:22
7:23
7:25
7:27
7:28
7:29
7:30
7:30
7:31
7:32
Today's sea temperature in Arcata is
11.8° C
(Statistics for 10 Mar 1981-2005 – mean: 11.1 max: 12.6 min: 9.6°C)
Issued (local time): 4 am Tuesday 10 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest