Third Reef surfForecast / CAL – Humboldt / USA

information circle48hr Weather and Surf, issued 4 am Tuesday 19 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
9.7° C
(Which is 2.2°C colder than average for this time of year)

How big are the waves at Third Reef today?

The current surf forecast for Third Reef at 10AM is: 2.1m 14s primary swell from a Northwest direction and 0.3m 16s secondary swell from a Southwest direction, 2.1m 9s secondary swell from a Northwest direction (forecast issued at 04:00am May 19). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (19 May)7ft (2.1m)14s
Afternoon (19 May)7ft (2.1m)14s
Evening (19 May)7ft (2.1m)13s

Table - waves today at Third Reef. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 21°C on Tue afternoon, min 10°C on Tue night). Winds decreasing (fresh winds from the NW on Wed afternoon, calm by Thu afternoon).

Tuesday
19
Wednesday
20
Thursday
21
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
4
4
4
1
1
0
2
2
5
4
3
0
0
0
1
2
4
3
3
2
3
3
3
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
2
NW
16
2
NW
15
2.1
NW
14
2.1
NW
14
2.1
NW
14
2.3
NW
13
2.1
NW
13
1.9
NW
13
2.4
NW
13
1.9
NW
13
1.9
NW
13
2
NW
12
2.3
NW
12
2.3
NW
12
1.3
WNW
12
1.7
WNW
11
1.8
NW
11
1.8
NW
11
1.8
NW
11
1.8
NW
10
1.9
NW
10
2
NW
10
1.9
NW
10
1.8
NW
10
Wave Graph
Metric surfscale
Energy kJ
1884
1672
1761
1736
1760
1783
1430
1147
1922
1204
1167
1112
1398
1374
449
681
749
749
749
735
774
800
716
650
Wind (km/h)
15
NNE
15
NNE
10
NNE
15
NW
20
NW
25
NNW
20
NNW
15
N
15
NNE
15
NNE
15
N
20
NW
30
NW
25
NNW
20
NNW
15
N
15
NNE
10
NNE
5
NNW
10
WNW
10
NW
0
NW
5
N
10
N
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross
cross-on
cross-on
glassy
glassy
cross
High Tide
00:44AM2.12m
3:13PM1.40m
1:37AM2.01m
4:11PM1.40m
2:34AM1.85m
5:10PM1.42m
Low Tide
8:11AM-0.66m
7:40PM0.87m
9:06AM-0.55m
8:45PM0.89m
10:03AM-0.39m
10:05PM0.87m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:28
8:29
8:30
Temp °C
9
10
14
18
17
21
17
11
10
11
14
18
20
19
14
10
10
12
15
15
14
15
14
14
6
6
11
14
13
16
13
7
7
8
11
14
14
13
10
7
7
10
13
13
13
15
13
12
Swell 1
Height (m)
Direction
Period (s)
2
NW
16
2
NW
15
2.1
NW
14
2.1
NW
14
0.4
SW
16
0.4
SW
16
0.4
SW
16
0.4
SW
16
1.9
NW
13
1.9
NW
13
1.9
NW
13
0.5
SW
21
0.4
SW
16
0.4
SW
16
1.3
WNW
12
1.7
WNW
11
1.8
NW
11
1.8
NW
11
1.8
NW
11
1.8
NW
10
1.9
NW
10
2
NW
10
1.9
NW
10
1.8
NW
10
Energy kJ
1884
1672
1761
1736
69
69
96
96
1147
1204
1167
224
90
89
449
681
749
749
749
735
774
800
716
650
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
17
0.4
SW
17
0.4
SW
16
0.3
SW
16
0.4
S
15
0.3
S
15
0.3
S
15
0.3
S
15
0.4
SW
16
0.4
SW
16
0.4
SW
21
0.4
SW
16
0.4
S
14
0.4
S
14
0.5
SW
16
0.5
SW
16
0.5
SW
15
0.4
SW
15
0.6
SSW
19
0.6
SW
19
0.5
SW
19
0.5
SW
15
0.5
SW
15
0.5
SW
15
Energy kJ
76
70
69
42
70
39
39
39
96
68
162
65
61
59
122
119
112
79
251
303
184
113
115
116
Swell 3
Height (m)
Direction
Period (s)
0.3
S
16
0.3
S
16
0.3
S
16
0.3
S
15
0.3
SW
24
0.2
S
12
0.2
S
12
0.2
S
12
0.3
S
15
0.3
S
14
0.4
SW
16
0.3
S
14
0.4
SW
21
0.2
SSW
21
0.4
S
14
0.4
S
14
0.4
S
14
0.4
S
14
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.4
S
13
0.4
S
13
0.4
S
13
Energy kJ
46
45
45
41
87
11
11
11
38
37
66
36
117
44
58
57
57
57
78
79
80
54
54
54
Wind waves
Height (m)
Direction
Period (s)
2.1
NW
8
2.1
NW
9
2.1
NW
14
2.3
NW
13
2.1
NW
13
1.9
NW
13
2.4
NW
13
1.9
NW
8
1.9
NW
8
2
NW
12
2.3
NW
12
2.3
NW
12
1.6
NW
9
1
NNW
9
2.1
NW
9
Energy kJ
640
654
1760
1783
1430
1147
1922
392
473
1112
1398
1374
388
154
664
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
3
3
2
4
4
5
4
4
3
3
4
4
3
4
3
4
3
3
3
3
3
Distance (km)
0
0
0
193
243
385
57
29
0
0
3
193
238
211
211
3
0
0
3
169
699
0
0
3
Best forecast wave conditions in Humboldt County
Rating
(10 max)
4
4
4
4
5
4
4
4
4
3
4
3
4
4
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
4
3
2
4
4
5
4
4
4
3
4
4
4
4
3
4
3
3
3
4
4
Header Global
Rating
(10 max)
4
4
4
4
5
5
5
5
4
4
4
5
5
4
4
5
5
4
4
5
4
5
5
6
  • 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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