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 07:35 AM and sunset is at 04:51 PM.

Days 1–3 Weather Summary

Heavy rain (total 42mm), heaviest during Sat night. Cool air temperatures (max 14°C on Fri morning, min 8°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 114mm), heaviest during Tue night. Cool air temperatures (max 13°C on Tue night, min 7°C on Mon night). Winds increasing (calm on Mon afternoon, strong winds from the S by Wed night).

Days 7–9 Weather Summary

Heavy rain (total 23mm), heaviest during Thu night. Very mild (max 12°C on Sat morning, min 6°C on Fri night). Winds decreasing (strong winds from the S on Thu morning, light winds from the ENE by Sat afternoon).

Days 10–12 Weather Summary

Moderate rain (total 12mm), heaviest on Mon night. Very mild (max 12°C on Sun morning, min 7°C on Sun night). Wind will be generally light.

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
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
Wave Height Map
High Tide
10:58AM2.46m
1:19AM1.79m
11:34AM2.46m
1:55AM1.81m
12:10PM2.43m
2:31AM1.82m
12:47PM2.38m
3:08AM1.84m
1:26PM2.29m
3:45AM1.88m
2:09PM2.16m
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
Low Tide
6:02PM-0.19m
5:27AM1.22m
6:37PM-0.22m
6:05AM1.22m
7:13PM-0.22m
7:48PM-0.20m
7:29AM1.18m
8:24PM-0.14m
8:19AM1.15m
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
Wave
height (m) 
direction
period (s) 
3
W
11
2.5
WNW
11
2.4
WNW
11
2.3
WNW
12
2.1
WNW
11
1.9
WNW
11
2
WNW
11
1.8
WNW
10
1.8
WNW
10
2.1
WNW
10
2
WNW
10
2.1
WNW
11
2.5
WNW
12
2.4
WNW
12
2.5
WNW
12
2.3
WNW
12
2
WNW
11
1.9
W
10
3.5
SW
10
3.5
WSW
10
4
W
13
5
W
13
4.5
WNW
13
3
WNW
12
3
WNW
12
2.5
WNW
11
1.9
W
10
1.4
W
9
1.1
W
8
0.9
WNW
8
0.7
WNW
7
1
NW
14
1.7
WNW
13
2.3
W
12
2.2
W
11
2.1
WNW
11
mod rain
part cloud
part cloud
part cloud
light rain
heavy rain
mod rain
rain showers
rain showers
rain showers
cloud
part cloud
cloud
heavy rain
heavy rain
rain showers
cloud
rain showers
thunderstorm
rain showers
mod rain
light rain
rain showers
cloud
cloud
cloud
part cloud
clear
clear
part cloud
cloud
cloud
mod rain
cloud
light rain
rain showers
mod rain
some clouds
some clouds
some clouds
light rain
heavy rain
mod rain
rain shwrs
rain shwrs
rain shwrs
cloudy
some clouds
cloudy
heavy rain
heavy rain
rain shwrs
cloudy
rain shwrs
risk tstorm
rain shwrs
mod rain
light rain
rain shwrs
cloudy
cloudy
cloudy
some clouds
clear
clear
some clouds
cloudy
cloudy
mod rain
cloudy
light rain
rain shwrs
 km/h
10
WSW
15
N
10
NE
5
ESE
0
SSE
5
SE
15
NW
5
SSW
10
SSE
5
S
0
S
5
ESE
5
ENE
10
NNE
25
SE
10
SE
20
SSE
20
SE
40
S
30
S
25
SSE
25
SSE
20
SSE
15
SE
15
SE
10
ESE
10
E
5
E
5
N
10
ESE
10
SE
10
SE
10
ESE
10
SE
5
S
10
N
 mm 
10
1
21
7
1
2
1
16
75
1
21
5
7
8
2
1
8
1
3
max°C
14
11
10
11
11
14
12
11
11
11
11
8
10
9
13
11
12
12
10
9
9
9
10
8
12
11
8
12
11
8
12
11
10
12
12
10
Moonrise
7:43
8:34
9:17
9:53
10:23
10:49
11:12
11:34
11:56
12:19
12:47
1:21
Moonset
4:19
5:16
6:18
7:24
8:31
9:38
10:45
11:53
1:04
2:17
3:35
Sunrise
7:35
7:35
7:37
7:37
7:37
7:37
7:39
7:39
7:39
7:39
7:39
7:39
Sunset
4:51
4:51
4:52
4:52
4:52
4:52
4:53
4:54
4:54
4:55
4:57
4:58
Today's sea temperature in Eureka Slough Bridge, Humboldt Bay is
12.7° C
(Statistics for 19 Dec 1981-2005 – mean: 11.6 max: 13.5 min: 10.1°C)
Issued (local time): 9 am Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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