Eureka, Humboldt Bay Sea Conditions and Tide Table

Eureka, 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 72mm), heaviest during Sat night. Cool air temperatures (max 15°C on Sat night, min 8°C on Mon night). Winds decreasing (strong winds from the SSW on Sat night, calm by Tue afternoon).

Days 5–7 Weather Summary

Heavy rain (total 41mm), heaviest during Wed night. Cool air temperatures (max 13°C on Wed morning, min 7°C on Tue night). Winds increasing (light winds from the SE on Tue night, strong winds from the S by Thu morning).

Days 8–10 Weather Summary

Mostly dry. Very mild (max 13°C on Mon morning, min 7°C on Sat night). Wind will be generally light.

Days 11–13 Weather Summary

Heavy rain (total 37mm), heaviest during Tue afternoon. Very mild (max 14°C on Tue morning, min 6°C on Wed afternoon). Winds decreasing (fresh winds from the WNW on Wed night, light winds from the NNE by Thu afternoon).

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thu
1
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
1:48AM1.77m
12:03PM2.39m
2:24AM1.79m
12:40PM2.33m
3:01AM1.81m
1:19PM2.25m
3:38AM1.84m
2:02PM2.12m
4:15AM1.91m
2:54PM1.96m
4:52AM2.00m
3:58PM1.78m
5:31AM2.12m
5:17PM1.61m
6:11AM2.26m
6:46PM1.51m
6:55AM2.41m
8:17PM1.51m
7:43AM2.56m
9:39PM1.59m
8:33AM2.68m
10:49PM1.71m
9:25AM2.76m
Low Tide
5:59AM1.23m
7:07PM-0.22m
7:42PM-0.20m
7:23AM1.19m
8:18PM-0.14m
8:13AM1.16m
8:55PM-0.05m
9:11AM1.09m
9:33PM0.09m
10:19AM0.97m
10:14PM0.27m
11:31AM0.78m
10:59PM0.49m
12:42PM0.53m
11:51PM0.70m
1:47PM0.25m
00:50AM0.90m
2:47PM-0.04m
1:53AM1.03m
3:41PM-0.28m
2:57AM1.11m
4:32PM-0.46m
Wave
height (m) 
direction
period (s) 
1.7
WNW
11
2.1
WNW
10
1.9
WNW
10
1.7
WNW
10
1.8
WNW
10
1.8
WNW
10
2.3
WNW
11
3
WNW
12
2.5
WNW
12
2.3
WNW
12
1.9
WNW
12
1.6
NW
11
2.5
SW
10
3.5
SW
10
5
WSW
14
4.5
W
13
4
W
12
3.5
W
11
3
WNW
11
2.5
NW
11
2.2
NW
11
1.8
NW
10
1.4
NW
9
1.1
NW
8
0.9
WNW
8
1.4
WNW
13
2.3
WNW
12
2.5
W
12
3
W
12
2.5
W
12
2.5
W
11
2.5
W
11
2.5
W
11
4
WNW
11
3.5
WNW
12
2.5
WNW
12
heavy rain
heavy rain
rain showers
rain showers
part cloud
part cloud
cloud
cloud
mod rain
rain showers
part cloud
light rain
heavy rain
light rain
light rain
rain showers
rain showers
rain showers
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
light rain
mod rain
heavy rain
rain showers
light rain
rain showers
clear
clear
heavy rain
heavy rain
rain shwrs
rain shwrs
some clouds
some clouds
cloudy
cloudy
mod rain
rain shwrs
some clouds
light rain
heavy rain
light rain
light rain
rain shwrs
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
cloudy
cloudy
light rain
mod rain
heavy rain
rain shwrs
light rain
rain shwrs
clear
clear
 km/h
15
ENE
30
SW
15
SW
10
S
10
S
5
SW
10
ESE
5
E
5
NNE
5
SE
10
SE
15
SE
40
SSE
40
SSE
35
S
30
S
30
SSE
25
S
15
SE
5
ESE
0
NNW
10
ESE
10
ESE
5
SW
15
SE
10
SSE
10
S
15
SE
15
SE
15
SE
20
S
15
W
15
SW
40
WNW
20
N
15
N
 mm 
41
17
6
2
6
4
1
17
3
3
8
3
2
1
9
11
3
4
9
max°C
15
14
13
12
12
12
9
10
9
8
13
12
11
11
10
10
11
10
8
10
10
8
11
11
8
13
13
12
14
11
12
10
10
9
9
9
Moonrise
9:17
9:53
10:23
10:49
11:12
11:34
11:56
12:19
12:47
1:21
2:05
3:01
Moonset
6:19
7:24
8:31
9:38
10:45
11:54
1:04
2:17
3:35
4:55
6:13
Sunrise
7:37
7:37
7:37
7:37
7:39
7:39
7:39
7:39
7:39
7:39
7:39
7:41
Sunset
4:52
4:52
4:52
4:52
4:53
4:54
4:54
4:55
4:57
4:58
4:58
4:59
Today's sea temperature in Eureka, Humboldt Bay is
12.9° C
(Statistics for 20 Dec 1981-2005 – mean: 11.5 max: 13.5 min: 10.1°C)
Issued (local time): 9 pm Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest