Harbor Entrance at Eureka Surf Break

Lat Long: 40.77° N 124.23° W

Issued: 10 am 26 Jun 2026 (local time)

Forecast update in  hr  min

Today's Harbor Entrance at Eureka sea temperature is
13.2° C

Normal for this time of year

Harbor Entrance at Eureka surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Harbor Entrance at Eureka surf forecast from 27 Jun 2026:

  • Most powerful swell: Tuesday 30 Jun, 2AM (local time) - 13ft (4.0m), 9s period, NNW swell with 2,515 kJ wave energy.

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

The most powerful waves expected at Harbor Entrance at Eureka in the next 16 days are 4.0m 9s and forecast to arrive on Tuesday (Jun 30) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 15s period and expected on Friday (Jun 26) at 11PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Tue 30th Jun)13ft (4.0m) 9s

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

Light rain (total 3mm), mostly falling on Fri afternoon. Very mild (max 15°C on Fri afternoon, min 11°C on Sat night). Winds increasing (light winds from the SSW on Fri morning, fresh winds from the NNW by Sun night).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 14°C on Mon afternoon, min 11°C on Tue night). Mainly fresh winds.

Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
W
5
0.9
WNW
6
1.4
NW
9
0.9
SW
18
1.8
NW
9
2.4
NW
7
2.5
NW
9
3
NW
8
3.5
NNW
9
3
NNW
8
3
NNW
9
4
NNW
9
3.5
NNW
9
3
NNW
9
3.5
NNW
9
3
NNW
9
3
NNW
8
3
NNW
8
2
NNW
8
1.6
NW
8
1.2
NW
8
Wave Graph
Metric surfscale
Energy kJ
21
60
316
450
516
596
996
1112
1765
1219
1352
2515
1944
1652
2242
1416
1235
1039
513
322
187
Wind (km/h)
10
SSW
10
NW
20
NNW
20
NNW
25
NNW
30
N
25
N
30
N
25
N
25
N
30
N
25
NNW
30
N
30
N
20
N
25
N
30
N
25
N
10
NNW
5
N
20
N
Wind State
cross-off
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
High Tide
11:31AM1.26m
9:58PM1.95m
12:19PM1.32m
10:36PM1.96m
1:01PM1.36m
11:13PM1.96m
1:39PM1.39m
11:49PM1.97m
2:14PM1.41m
00:25AM1.95m
2:46PM1.43m
1:00AM1.92m
3:18PM1.46m
1:38AM1.85m
Low Tide
3:59PM1.05m
5:35AM-0.11m
4:47PM1.10m
6:14AM-0.18m
5:31PM1.12m
6:50AM-0.21m
6:13PM1.11m
7:26AM-0.23m
6:53PM1.10m
8:00AM-0.23m
7:33PM1.09m
8:34AM-0.20m
8:17PM1.05m
cloud
light rain
light rain
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:47
5:47
5:47
5:48
5:48
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:52
8:52
8:52
8:52
8:52
8:52
8:52
 mm
1
2
Temp °C
14
15
14
14
14
13
13
13
13
13
14
13
13
13
13
13
13
13
14
14
15
Feels °C
13
15
13
10
9
8
9
8
8
8
9
8
7
7
7
8
7
8
12
13
14
Swell 1
Height (m)
Direction
Period (s)
0.7
SSW
15
0.9
WNW
6
1.4
NW
9
1.7
WNW
9
0.7
SW
17
0.8
SSW
16
0.8
SSW
16
0.7
SW
16
0.7
SSW
16
0.6
SSW
15
0.6
SSW
15
0.6
SSW
15
0.4
SSW
15
0.5
SW
19
0.7
SW
18
0.5
SW
18
0.6
SSW
16
0.7
SW
16
0.6
SSW
16
1.6
NW
8
1.2
NW
8
Energy kJ
188
60
316
450
309
330
326
258
217
142
142
148
86
179
319
154
179
264
171
322
187
Swell 2
Height (m)
Direction
Period (s)
0.6
W
5
0.7
SW
14
0.9
SSW
17
0.9
SW
18
0.4
SW
13
0.1
S
18
0.1
W
13
0.1
S
16
0.4
SW
21
0.2
SSW
21
0.5
SW
20
0.4
SW
20
0.4
SW
14
0.4
SSW
14
0.4
SW
14
0.2
SSW
21
0.4
SW
13
0.4
SSW
19
0.6
SW
16
0.6
SW
15
Energy kJ
21
214
510
449
42
6
3
5
117
45
186
97
50
78
52
45
44
148
196
176
Swell 3
Height (m)
Direction
Period (s)
0.6
SSW
19
0.6
SSW
19
0.2
WNW
13
0.4
SW
13
0.1
S
20
0.1
W
15
0.1
SW
24
0.1
S
24
0.3
SW
18
0.2
WSW
18
0.1
S
11
0.1
S
11
0.1
S
11
0.1
W
18
0.1
W
18
0.1
NW
18
0.2
WNW
16
0.2
SSW
13
0.3
SSW
19
0.5
SSW
18
Energy kJ
248
248
17
42
7
4
22
11
49
31
2
2
2
6
6
12
27
16
71
178
Wind waves
Height (m)
Direction
Period (s)
0.1
N
6
1.8
NW
9
2.4
NW
7
2.5
NW
9
3
NW
8
3.5
NNW
9
3
NNW
8
3
NNW
9
4
NNW
9
3.5
NNW
9
3
NNW
9
3.5
NNW
9
3
NNW
9
3
NNW
8
3
NNW
8
2
NNW
8
Energy kJ
1
516
596
996
1112
1765
1219
1352
2515
1944
1652
2242
1416
1235
1039
513
Nearest Offshore or Glassy
Rating
(10 max)
2
2
3
2
2
3
3
3
4
3
1
4
3
1
4
3
1
3
2
2
2
Distance (km)
1
27
85
683
1945
56
345
465
56
683
466
73
465
821
27
345
1095
73
113
18
73
Best forecast wave conditions in Humboldt County
Rating
(10 max)
2
2
3
4
4
4
4
3
2
3
Best forecast wave conditions in United States
Rating
(10 max)
3
2
3
2
2
4
3
3
4
3
3
4
3
2
4
4
2
4
3
2
3
Header Global
Rating
(10 max)
5
6
5
9
7
5
6
6
6
5
5
5
5
5
5
5
5
6
5
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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