Third Reef surfForecast / CAL – Humboldt / USA

information circle16 Day Weather and Surf, issued 10 am Sunday 24 May 2026 PDT
Forecast update in hr  min  s Forecast update imminent
Third Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Third Reef sea temperature is
10.5° C
(Which is 1.6°C colder than average for this time of year)

Best Forecast Surf Conditions for Third Reef this week:

The surf forecast for Third Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (May 24) at 8PM. The primary swell is predicted to be 1.0m and 14s period with a secondary swell of 0.8m and 16s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Third Reef in the next 16 days are 4.5m 14s and forecast to arrive on Tuesday (May 26) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.1m 10s period and expected on Wednesday (May 27) at 11AM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sun 24th May)3.5ft (1.0m) 14s
Best Surf 8AM (Tue 26th May)10ft (3.0m) 14s
Most Powerful 5PM (Tue 26th May)15ft (4.5m) 14s

Table - best surf conditions forecast for Third Reef over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Mon night. Very mild (max 13°C on Tue night, min 9°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 17°C on Fri afternoon, min 10°C on Wed night). Winds decreasing (fresh winds from the NNW on Wed afternoon, calm by Thu night).

Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
2
3
2
3
3
4
0
6
1
0
3
3
4
4
1
0
3
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
NW
16
0.9
WNW
15
1
WNW
13
1.2
WNW
13
1
SSW
17
2.4
NW
14
3
WNW
14
4.5
NW
14
4
NW
13
2.5
NW
12
2.4
NW
11
2.5
NW
10
1.6
WNW
18
1.7
WNW
16
1.8
WNW
16
2
WNW
14
1.7
WNW
14
1.7
WNW
13
1.6
NW
8
1.8
NW
8
1.5
NW
8
Wave Graph
Metric surfscale
Energy kJ
261
372
373
444
524
2080
3968
7411
4696
1649
1316
1195
1522
1524
1629
1604
1127
932
304
373
284
Wind (km/h)
10
SSW
10
SSW
10
SE
10
S
5
SW
10
N
10
W
25
WNW
15
N
15
NW
30
NNW
15
N
10
WNW
5
W
5
N
20
WNW
30
NW
15
NNE
25
NNW
30
NNW
15
N
cross
cross
cross-off
cross
glassy
cross
on
cross-on
cross
cross-on
cross-on
cross
on
glassy
cross-off
cross-on
cross-on
cross-off
cross-on
cross-on
cross
High Tide
7:41PM1.63m
7:47AM1.22m
8:19PM1.71m
9:02AM1.19m
8:54PM1.77m
10:06AM1.21m
9:27PM1.82m
11:02AM1.23m
9:58PM1.84m
11:52AM1.26m
10:29PM1.86m
12:38PM1.28m
11:02PM1.85m
Low Tide
12:48PM0.14m
2:04AM0.43m
1:38PM0.30m
3:03AM0.22m
2:24PM0.46m
3:53AM0.04m
3:08PM0.59m
4:35AM-0.11m
3:50PM0.69m
5:13AM-0.21m
4:30PM0.77m
5:50AM-0.28m
5:08PM0.83m
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:52
5:52
5:52
5:50
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:31
8:32
8:34
8:35
8:35
8:36
8:37
1
Temp °C
12
12
10
12
12
11
11
12
13
14
16
14
12
11
11
14
17
15
13
15
12
10
10
9
10
10
8
10
9
8
10
9
10
11
10
11
10
11
10
8
8
6
Swell 1
Height (m)
Direction
Period (s)
0.8
NW
8
0.9
WNW
15
1
WNW
13
1.2
WNW
13
0.9
WNW
12
2.4
NW
14
3
WNW
14
3.5
WNW
14
3
NW
13
0.8
SSW
15
0.8
SSW
14
2
NW
10
1.8
NW
9
1.7
WNW
16
1.8
WNW
16
2
WNW
14
1.7
WNW
14
1.7
WNW
13
1
WNW
12
0.9
WNW
12
0.9
WNW
11
Energy kJ
75
372
373
444
247
2080
3968
4777
2757
242
236
727
526
1524
1629
1604
1127
932
304
222
193
Swell 2
Height (m)
Direction
Period (s)
0.7
WNW
9
0.7
SW
16
0.6
SSW
14
0.9
SSW
15
1
SSW
17
1
SSW
17
1
SSW
16
0.9
SSW
16
0.9
SSW
16
0.1
S
10
0.2
WNW
23
0.9
WNW
20
1.6
WNW
18
1.6
NW
9
1
NW
8
0.5
SSW
14
0.5
SSW
14
0.5
SSW
14
0.4
SSW
14
0.4
SSW
14
0.4
SSW
14
Energy kJ
75
255
140
344
524
563
457
348
348
2
54
698
1522
370
123
105
110
113
73
73
71
Swell 3
Height (m)
Direction
Period (s)
0.7
NW
16
0.7
WNW
9
0.6
NW
9
0.3
S
11
0.3
S
11
0.2
S
10
0.2
S
10
0.2
S
10
0.1
S
10
0.1
W
25
0.1
S
10
0.6
SSW
14
0.6
SSW
14
0.6
SSW
14
0.6
SSW
14
0.1
S
21
0.1
S
26
0.2
SSW
19
0.2
SSW
24
0.4
SSW
22
Energy kJ
261
75
59
20
21
9
8
8
2
12
2
163
158
152
145
9
13
37
54
186
Wind waves
Height (m)
Direction
Period (s)
4.5
NW
14
4
NW
13
2.5
NW
12
2.4
NW
11
2.5
NW
10
1.6
NW
8
1.3
NW
5
1.6
NW
6
1.6
NW
8
1.8
NW
8
1.5
NW
8
Energy kJ
7411
4696
1649
1316
1195
319
92
172
284
373
284
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
3
4
8
3
4
5
2
4
4
4
4
3
3
4
3
1
3
Distance (km)
141
196
0
126
0
3
83
918
29
265
902
3
141
0
0
195
386
3
386
387
3
Best forecast wave conditions in Humboldt County
Rating
(10 max)
3
3
3
4
9
5
4
4
4
4
3
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
3
4
9
9
3
5
5
4
4
5
4
4
4
3
4
3
1
4
Header Global
Rating
(10 max)
5
4
5
4
5
9
6
7
7
6
9
7
9
6
5
5
5
5
6
6
6
  • 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 Third Reef Surf forecast

The above surf forecast table for Third Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Third Reef can be found by selecting the local surf guide option on the grey menu. Our Third Reef 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 (Third Reef) 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 Third Reef 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.

Third Reef is 85 km (53 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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