Eureka Slough Bridge, Humboldt Bay Sea Conditions and Tide Table

Eureka Slough Bridge, Humboldt 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 — and sunset is at —.

Days 1–4 Weather Summary

Heavy rain (total 33mm), heaviest during Wed night. Cool air temperatures (max 11°C on Wed night, min 8°C on Thu night). Winds decreasing (fresh winds from the S on Wed night, light winds from the ENE by Fri night).

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 15°C on Tue morning, min 5°C on Sat night). Wind will be generally light.

Days 8–10 Weather Summary

Moderate rain (total 16mm), heaviest on Fri afternoon. Very mild (max 16°C on Thu morning, min 10°C on Tue night). Winds increasing (calm on Thu morning, fresh winds from the S by Fri afternoon).

Days 11–13 Weather Summary

Light rain (total 5mm), mostly falling on Fri night. Very mild (max 16°C on Mon afternoon, min 9°C on Fri night). Winds decreasing (fresh winds from the S on Fri night, calm by Sat afternoon).

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
4:22AM1.94m
3:01PM2.00m
4:59AM2.04m
4:05PM1.81m
5:38AM2.16m
5:24PM1.64m
6:18AM2.30m
6:53PM1.53m
7:02AM2.46m
8:24PM1.53m
7:50AM2.61m
9:46PM1.62m
8:40AM2.73m
10:56PM1.74m
9:32AM2.81m
11:52PM1.86m
10:26AM2.87m
00:40AM1.95m
11:18AM2.86m
1:25AM2.02m
12:10PM2.78m
2:08AM2.07m
1:00PM2.64m
Low Tide
9:01PM-0.05m
9:17AM1.08m
9:39PM0.09m
10:25AM0.96m
10:20PM0.27m
11:37AM0.77m
11:05PM0.48m
12:48PM0.53m
11:57PM0.70m
1:53PM0.24m
00:56AM0.89m
2:53PM-0.04m
1:59AM1.02m
3:47PM-0.28m
3:03AM1.10m
4:38PM-0.46m
4:03AM1.09m
5:27PM-0.56m
5:00AM1.05m
6:14PM-0.59m
5:56AM0.98m
6:59PM-0.53m
6:50AM0.92m
Wave
height (m) 
direction
period (s) 
1.8
W
10
3
SW
10
2.5
SW
9
3.5
WSW
10
3
WSW
11
2.5
W
11
2.4
WNW
10
2.1
WNW
9
1.9
NW
9
1.8
NW
9
1.6
NW
9
1.6
NW
9
1.4
NW
8
1.3
WNW
14
1.4
WNW
13
1.3
WNW
12
1.6
W
14
1.6
W
13
1.6
W
12
1.5
W
12
1.5
W
11
1.6
W
13
1.5
W
12
1.4
W
11
1.4
WNW
11
1.7
WNW
13
2
WSW
10
3
SW
8
3.5
W
11
3
WNW
11
2.1
WNW
10
1.7
WNW
9
1.4
NW
9
1.2
NW
8
0.9
WNW
12
0.9
WNW
12
rain showers
rain showers
light rain
rain showers
light rain
rain showers
cloud
part cloud
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
light rain
light rain
rain showers
rain showers
rain showers
cloud
clear
clear
clear
part cloud
cloud
part cloud
rain shwrs
rain shwrs
light rain
rain shwrs
light rain
rain shwrs
cloudy
some clouds
clear
some clouds
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
light rain
light rain
rain shwrs
rain shwrs
rain shwrs
cloudy
clear
clear
clear
some clouds
cloudy
some clouds
 km/h
15
ESE
35
S
15
SE
35
SSW
20
ESE
15
ENE
10
NNE
15
N
15
N
5
E
5
NE
5
N
5
ESE
5
ENE
10
NNW
10
ESE
5
E
5
NNW
10
E
0
ESE
0
N
10
ESE
5
SE
5
SE
0
ESE
15
ESE
20
S
30
SSW
15
SSE
5
SSE
10
ESE
5
E
10
N
10
ESE
10
ESE
5
SSW
 mm 
14
3
2
11
2
1
3
1
12
4
1
max°C
11
10
10
9
9
9
9
10
10
7
10
9
8
13
11
10
15
13
11
15
14
12
16
15
13
12
13
11
12
12
10
13
13
9
15
16
Moonrise
11:12
11:34
11:56
12:19
12:47
1:21
2:05
3:01
4:09
5:26
6:45
8:01
Moonset
9:38
10:45
11:53
1:04
2:17
3:35
4:55
6:13
7:22
8:19
9:03
9:37
Sunrise
7:39
7:39
7:39
7:39
7:39
7:39
7:39
7:39
7:41
7:41
7:41
7:41
Sunset
4:53
4:54
4:54
4:55
4:57
4:58
4:58
4:59
5:00
5:00
5:01
5:02
Today's sea temperature in Eureka Slough Bridge, Humboldt Bay is
12.1° C
(Statistics for 24 Dec 1981-2005 – mean: 11.3 max: 13.5 min: 10.1°C)
Issued (local time): 9 pm Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest