Harbor Entrance at Eureka surfForecast / CAL – Humboldt / USA

information circle12 Day Weather and Surf, issued 3 pm Friday 07 Nov 2025 PST
Forecast update in hr  min  s Forecast update imminent
Harbor Entrance at Eureka surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Harbor Entrance at Eureka sea temperature is
13.1° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Harbor Entrance at Eureka this week:

The surf forecast for Harbor Entrance at Eureka over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Nov 08) at 1AM. The primary swell is predicted to be 3.0m and 13s period with a secondary swell of 1.0m and 12s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Harbor Entrance at Eureka in the next 12 days are 6.5m 14s and forecast to arrive on Friday (Nov 14) at 4AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 9s period and expected on Thursday (Nov 13) at 1AM.

Wave TypeTime (PST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Sat 8th Nov)10ft (3.0m) 13s
Best Surf10PM (Thu 13th Nov)20ft (6.0m) 15s
Most Powerful 4AM (Fri 14th Nov)21ft (6.5m) 14s

Table - best surf conditions forecast for Harbor Entrance at Eureka over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 17°C on Sun morning, min 12°C on Fri afternoon). Wind will be generally light.

Days 3-6 Weather Summary Some drizzle, heaviest during Thu morning. Very mild (max 19°C on Wed morning, min 11°C on Mon night). Wind will be generally light.

Fri
07
Saturday
08
Sunday
09
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
3
5
4
4
3
1
2
2
3
2
2
2
2
2
3
2
3
4
6
9
8
Swell
Height Map
Wave Height (m) & direction (?)
3.5
WNW
3
WNW
2.1
WNW
1.9
WNW
1.7
WNW
1.3
WNW
1.3
W
1.8
WSW
1.3
WNW
1.7
WNW
1.5
NW
1.3
NW
1.6
NW
1.3
NW
0.9
WNW
1.2
NW
1.5
WNW
2
WNW
4
W
5.5
W
5.5
W
Period(s) (?)131312131212121114131111101016151415151514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4489281713141139857454464792653862563406478327407640947164464621329211871
Wind
(km/h)
15
NNE
5
ENE
5
WSW
0
WSW
5
SE
5
NE
10
NNE
10
NNE
10
NNW
10
NNE
10
N
10
NNW
10
N
5
SE
0
SSE
15
SW
10
SSE
15
SSW
20
S
15
SSE
20
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
off
glassglassglasscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
glassglasscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
2:06AM
1.51
12:43PM
2.29
3:07AM
1.46
1:34PM
2.14
4:12AM
1.44
2:33PM
1.94
5:17AM
1.47
3:43PM
1.73
6:17AM
1.54
5:05PM
1.55
7:08AM
1.64
6:31PM
1.43
7:51AM
1.74
Low Tide
/ height (m)
7:29PM
-0.59
7:00AM
0.97
8:22PM
-0.51
7:54AM
1.05
9:18PM
-0.37
8:59AM
1.10
10:17PM
-0.20
10:17AM
1.11
11:17PM
-0.04
11:46AM
1.03
12:16AM
0.12
1:08PM
0.86
1:11AM
0.26
Fri
07
Saturday
08
Sunday
09
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Sunrise--6:54--6:56--6:56--6:58--6:58--7:01--7:01
Sunset5:06--5:05--5:04--5:02--5:01--5:00--5:00--
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
part cloud
light rain
mod rain
rain showers
rain showers
Rain (mm)
-----------------18231
Temp. °C141215151617151515141113121419191819201719
Feels °C (?)12111314141412141312912111315161516171615
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Harbor Entrance at Eureka Surf forecast

The above surf forecast table for Harbor Entrance at Eureka provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Harbor Entrance at Eureka can be found by selecting the local surf guide option on the grey menu. Our Harbor Entrance at Eureka surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Harbor Entrance at Eureka) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Harbor Entrance at Eureka may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Harbor Entrance at Eureka is 8 km (5 miles) from Eureka. If you plan a vacation in Humboldt County, look for hotels and other accommodation in Eureka. Eureka has rooms for a wide range of budgets as well as car hire and transport links.

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