Surf Forecast Surf Report

Harbor Entrance at Eureka surfForecast / CAL – Humboldt / USA

information circle12 Day Weather and Surf, issued 4 am Monday 31 Mar 2025 PDT
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
10.7° 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 Monday (Mar 31) at 8AM. The primary swell is predicted to be 2.5m and 9s period with a secondary swell of 1.2m and 8s. 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 4.5m 12s and forecast to arrive on Tuesday (Apr 01) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 17s period and expected on Tuesday (Apr 01) at 11AM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Mon 31st Mar)8ft (2.5m) 9s
Best Surf 5PM (Sun 6th Apr)10ft (3.0m) 16s
Most Powerful 2AM (Tue 1st Apr)15ft (4.5m) 12s

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

Updates in  hr  min  s Forecast update imminent
Monday
31
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.5
WSW
3
WSW
4.5
W
4.5
W
4.5
WNW
3
WNW
2.4
WNW
2.2
NW
2.1
NW
1.7
NW
1.8
NW
1.7
NW
1.3
NW
1.1
NW
0.4
SW
0.8
NW
0.4
W
0.7
W
3
W
3
W
3
W
2.4
WNW
2.2
W
1.7
W
1.8
WNW
1.7
WNW
1.6
WNW
1.6
WNW
1.5
WNW
1.3
WNW
1
WNW
0.9
WNW
0.7
WNW
0.6
SW
1.1
WSW
0.9
WNW
Period(s) (?)1010121211119999988818811191616161413131413121211111010917912
Wave
Graph
(?)Metric surfscale
Energy (?)1338171261455747471218079867706754404603812161451117137358416356003811212917349411215101178164753435921413778235188206
Wind
(km/h)
25
SSW
30
SW
35
WSW
25
NW
35
NNW
25
NNW
30
N
25
NNW
25
NNW
15
NNW
20
N
10
ESE
10
NW
10
NNW
5
NNE
10
NW
10
N
5
E
5
W
5
WSW
10
SSE
5
N
15
NNW
15
N
15
N
10
N
5
SSE
5
WNW
0
WNW
10
SE
10
NNW
20
NNW
20
N
25
N
25
N
25
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscrossoncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
off
ononglassoncross-
on
glasscross-
on
glassoffglasscross-
on
cross-
on
cross-
on
cross-
on
offcross-
on
glassoffcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
2:27PM
1.66
1:58AM
2.24
3:27PM
1.52
2:39AM
2.20
4:35PM
1.39
3:27AM
2.10
5:52PM
1.30
4:25AM
1.95
7:16PM
1.30
5:37AM
1.80
8:30PM
1.36
7:01AM
1.69
9:26PM
1.46
8:22AM
1.65
10:10PM
1.56
9:31AM
1.64
10:45PM
1.66
10:28AM
1.63
11:15PM
1.74
11:17AM
1.62
11:41PM
1.80
12:02PM
1.60
12:05AM
1.84
Low Tide
/ height (m)
8:19AM
-0.28
8:07PM
0.55
9:11AM
-0.32
8:48PM
0.74
10:06AM
-0.29
9:36PM
0.91
11:07AM
-0.19
10:33PM
1.04
12:15PM
-0.08
11:48PM
1.12
1:26PM
0.01
1:20AM
1.12
2:34PM
0.07
2:46AM
1.01
3:32PM
0.11
3:53AM
0.84
4:19PM
0.16
4:46AM
0.66
4:59PM
0.23
5:29AM
0.48
5:33PM
0.32
6:07AM
0.33
6:05PM
0.43
Monday
31
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Sunrise7:01--7:00--6:58--6:56--6:56--6:54--6:52--6:50--6:48--6:48--6:46--6:43--
Sunset-7:39--7:40--7:42--7:43--7:44--7:45--7:45--7:46--7:47--7:49--7:50--7:51-
mod rainrain showersmod rainmod rainrain showerspart cloudrain showerspart cloudcloudpart cloudclearclearclearclearpart cloudclearclearclearclearclearrain showersrain showerspart cloudpart cloudpart cloudpart cloudclearclearclearpart cloudcloudcloudpart cloudcloudpart cloudpart cloud
Rain (mm)
641062-1-------------16--------------
Temp. °C891010101099989913111114131114141311111011101014141414141010109
Feels °C (?)22342322344510891099121210108786812111112127553

Short Range Forecast: Heavy rain (total 29mm), heaviest during Mon morning. Very mild (max 10°C on Mon night, min 7°C on Mon morning). Winds increasing (light winds from the S on Mon morning, fresh winds from the SW by Mon night).

Days 3-6 Weather Summary Mostly dry. Very mild (max 14°C on Sat morning, min 6°C on Fri morning). Wind will be generally light.

Days 6-9 Weather Summary Light rain (total 7mm), mostly falling on Mon morning. Very mild (max 14°C on Sun morning, min 9°C on Tue morning). Wind will be generally light.

Long Range Forecast: Mostly dry. Very mild (max 14°C on Wed morning, min 9°C on Fri night). Wind will be generally light.

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
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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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