Harbor Entrance at Eureka surfForecast / CAL – Humboldt / USA

information circle16 Day Weather and Surf, issued 4 pm Wednesday 27 May 2026 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
10.6° C
(Which is 1.6°C colder than average for this time of year)

Harbor Entrance at Eureka surf forecast from 28 May 2026:

  • Best quality surf: Thursday 28 May, 2AM (local time) - 10ft (3.0m), 10s period, NW swell with glassy winds.
  • Most powerful swell: Thursday 28 May, 8PM (local time) - 7.5ft (2.3m), 16s period, WNW swell with 2,615 kJ wave energy.
  • Next surfable swell (1★+): Thursday 28 May, 2AM (local time) - 10ft (3.0m), 10s period with NW swell.

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

The surf forecast for Harbor Entrance at Eureka over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (May 28) at 2AM. The primary swell is predicted to be 3.0m and 10s period with a secondary swell of 1.3m and 20s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Harbor Entrance at Eureka in the next 16 days are 2.3m 16s and forecast to arrive on Thursday (May 28) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 17s period and expected on Tuesday (Jun 02) at 5AM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Thu 28th May)10ft (3.0m) 10s
Best Surf 2AM (Thu 28th May)10ft (3.0m) 10s
Most Powerful 8PM (Thu 28th May)7.5ft (2.3m) 16s

Table - best surf conditions forecast for Harbor Entrance at Eureka over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 13°C on Thu morning, min 10°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 12°C on Mon morning, min 8°C on Sat night). Wind will be generally light.

Wed
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
1
5
3
4
4
2
0
2
1
0
3
1
1
4
1
1
2
0
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3.5
NW
10
3
NW
10
2
WNW
18
2.2
WNW
16
2.2
WNW
16
2.5
WNW
14
1.8
WNW
14
1.6
WNW
13
2.3
NNW
8
2.2
NNW
8
2.5
NNW
8
2.5
NW
8
2.5
NNW
8
2.5
NNW
9
2.2
NNW
8
2.1
NNW
8
1.7
NNW
8
1.3
NNW
7
0.8
WNW
8
0.7
NNW
7
1.1
W
12
Wave Graph
Metric surfscale
Energy kJ
2388
1835
2390
2480
2271
2480
1161
824
670
627
829
1048
931
1159
675
560
345
150
78
45
324
Wind (km/h)
20
N
5
S
20
SW
15
WSW
5
WNW
15
NNW
25
N
15
NNW
20
NNW
25
N
5
NE
15
NNW
20
N
0
SE
15
NW
15
NNW
5
SE
15
NNW
10
NNW
0
ESE
10
NNW
cross-on
glassy
cross
cross
glassy
cross-on
cross-on
on
on
cross-on
cross
cross-on
cross-on
glassy
on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
High Tide
10:02PM1.99m
11:35AM1.34m
10:35PM2.00m
12:25PM1.38m
11:05PM1.99m
1:10PM1.40m
11:36PM1.98m
1:51PM1.41m
00:07AM1.96m
2:31PM1.40m
00:40AM1.93m
3:11PM1.39m
1:14AM1.89m
Low Tide
3:53PM0.74m
5:16AM0.01m
4:36PM0.86m
5:55AM-0.11m
5:16PM0.96m
6:32AM-0.18m
5:55PM1.03m
7:07AM-0.21m
6:33PM1.08m
7:43AM-0.22m
7:10PM1.12m
8:20AM-0.20m
7:48PM1.14m
8:58AM-0.16m
part cloud
part cloud
clear
part cloud
cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:48
5:48
5:48
5:48
5:47
5:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:37
8:37
8:38
8:39
8:40
8:40
8:42
8:43
Temp °C
12
11
13
13
12
12
12
11
10
11
11
10
11
11
12
12
11
11
12
13
14
7
11
9
9
10
10
9
7
9
7
6
6
6
9
9
9
9
8
10
11
12
Swell 1
Height (m)
Direction
Period (s)
3.5
NW
10
3
NW
10
2.4
NW
9
2.2
WNW
16
2.2
WNW
16
2.5
WNW
14
1.8
WNW
14
1.6
WNW
13
1.1
WNW
12
1.3
WNW
12
1.5
WNW
11
0.6
SSW
21
1.2
WNW
10
2.5
NNW
9
0.9
WNW
10
1.1
NW
9
1.7
NNW
8
1
SSW
17
0.9
SSW
16
1
SSW
16
1.1
W
12
Energy kJ
2388
1835
942
2480
2271
2480
1161
824
353
436
499
305
288
1159
171
198
345
580
458
525
324
Swell 2
Height (m)
Direction
Period (s)
0.7
SSW
14
1.3
WNW
20
2
WNW
18
1.9
NW
9
1.5
NW
8
0.8
NNW
8
0.4
SSW
13
0.5
SSW
14
0.4
SSW
14
0.4
SSW
14
0.4
SSW
14
0.4
SSW
18
0.7
SSW
20
1
WNW
10
0.9
SSW
19
0.9
SSW
18
0.9
WNW
9
0.7
NW
9
0.9
NNW
7
0.7
NNW
7
0.9
SSW
16
Energy kJ
183
1356
2390
554
297
90
69
116
73
71
71
123
364
208
610
497
135
77
74
41
430
Swell 3
Height (m)
Direction
Period (s)
0.4
NW
23
0.7
SSW
14
0.6
SSW
14
0.5
SSW
14
0.6
WNW
10
0.5
SSW
14
0.3
SSW
16
0.1
S
26
0.2
SSW
19
0.2
SSW
24
0.4
SW
22
0.4
SW
13
0.3
SSW
13
0.8
SSW
20
0.2
SSW
12
0.4
SW
15
0.9
SSW
18
0.7
NW
9
0.8
WNW
8
0.6
WNW
8
0.4
SSW
20
Energy kJ
138
183
134
111
65
105
50
13
37
55
124
42
31
485
14
55
541
77
78
45
149
Wind waves
Height (m)
Direction
Period (s)
1.6
NW
8
2.1
NNW
8
2.3
NNW
8
2.2
NNW
8
2.5
NNW
8
2.5
NW
8
2.5
NNW
8
2.2
NNW
8
2.1
NNW
8
1.3
NNW
7
Energy kJ
276
579
670
627
829
1048
931
675
560
150
Nearest Offshore or Glassy
Rating
(10 max)
4
5
4
4
4
4
3
3
2
2
3
2
2
4
3
4
2
3
2
1
2
Distance (km)
109
0
221
45
0
292
345
18
109
465
18
324
465
0
324
85
0
173
112
0
112
Best forecast wave conditions in Humboldt County
Rating
(10 max)
5
4
4
3
3
4
4
4
3
Best forecast wave conditions in United States
Rating
(10 max)
4
5
4
4
4
4
3
4
2
2
4
4
3
4
4
4
4
3
4
4
3
Header Global
Rating
(10 max)
7
9
9
6
5
5
5
5
7
7
5
5
5
4
4
4
5
5
5
4
4
  • 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 16 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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