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 04:50 PM.

Days 1–3 Weather Summary

Heavy rain (total 40mm), heaviest during Thu night. Cool air temperatures (max 15°C on Thu morning, min 9°C on Fri night). Winds decreasing (fresh winds from the S on Thu night, calm by Sat night).

Days 4–6 Weather Summary

Moderate rain (total 11mm), heaviest on Sun morning. Cool air temperatures (max 14°C on Sun morning, min 6°C on Tue night). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 26mm), heaviest during Wed night. Very mild (max 13°C on Wed morning, min 8°C on Fri night). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 30mm), heaviest during Mon night. Very mild (max 13°C on Sat morning, min 7°C on Sat night). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
10:22AM2.45m
00:43AM1.76m
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
Low Tide
5:26PM-0.14m
4:48AM1.22m
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
Wave
height (m) 
direction
period (s) 
2.2
WNW
11
2.4
WNW
10
3
W
11
3
W
11
2.5
W
11
2.3
WNW
11
2.1
WNW
12
2
WNW
11
1.7
WNW
11
1.8
WNW
10
1.7
WNW
10
1.7
WNW
10
2
WNW
10
1.9
WNW
10
2
WNW
11
2.4
WNW
12
2.4
WNW
12
2.1
WNW
12
1.8
WNW
11
1.5
WNW
11
1.9
WSW
9
2.5
WSW
12
3
W
13
3
WSW
11
2.5
WSW
11
2.5
SW
11
1.8
WSW
10
1.9
WNW
10
1.7
WNW
10
1.7
WNW
9
1.2
WNW
8
1.1
NW
8
1.1
NW
13
1.7
WNW
13
2.2
WNW
12
3
WSW
11
cloud
cloud
heavy rain
light rain
cloud
cloud
cloud
cloud
heavy rain
light rain
light rain
rain showers
cloud
cloud
cloud
cloud
light rain
part cloud
part cloud
cloud
heavy rain
light rain
light rain
rain showers
rain showers
light rain
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
light rain
light rain
heavy rain
cloudy
cloudy
heavy rain
light rain
cloudy
cloudy
cloudy
cloudy
heavy rain
light rain
light rain
rain shwrs
cloudy
cloudy
cloudy
cloudy
light rain
some clouds
some clouds
cloudy
heavy rain
light rain
light rain
rain shwrs
rain shwrs
light rain
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
light rain
light rain
heavy rain
 km/h
15
SSE
20
S
30
S
10
NW
10
N
5
ENE
5
E
5
NNW
5
NW
20
SSW
10
W
10
SE
5
SE
5
WSW
10
SSE
5
ESE
5
NE
15
SSE
10
ESE
10
ESE
20
S
20
SE
15
SE
20
SSE
20
SE
20
SSE
10
ESE
5
E
5
N
10
ESE
5
SSE
10
SW
10
SE
15
SE
15
SE
20
SSE
 mm 
23
5
12
5
3
1
2
19
1
1
3
1
1
1
4
22
max°C
15
15
15
13
10
10
11
11
14
14
12
11
12
11
10
11
10
9
13
13
11
12
10
11
12
12
9
13
12
8
12
11
11
10
10
12
Moonrise
6:46
7:43
8:34
9:17
9:53
10:23
10:49
11:12
11:34
11:56
12:19
12:47
Moonset
3:31
4:19
5:16
6:18
7:24
8:31
9:38
10:45
11:53
1:04
2:17
Sunrise
7:35
7:35
7:35
7:37
7:37
7:37
7:37
7:39
7:39
7:39
7:39
7:39
Sunset
4:50
4:51
4:51
4:52
4:52
4:52
4:52
4:53
4:54
4:54
4:55
4:57
Today's sea temperature in Eureka Slough Bridge, Humboldt Bay is
12.4° C
(Statistics for 18 Dec 1981-2005 – mean: 11.6 max: 13.5 min: 10.4°C)
Issued (local time): 3 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest