Third Reef surfForecast / CAL – Humboldt / USA

information circle48hr Weather and Surf, issued 4 pm 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 12AM is: 1.9m 13s primary swell from a Northwest direction and 0.4m 16s secondary swell from a Southwest direction, 2.0m 8s secondary swell from a Northwest direction (forecast issued at 04:00pm May 19). The wind direction is predicted to be cross-offshore.

Time (PDT) & DateWave HeightWave Period
Morning (20 May)8ft (2.5m)13s
Afternoon (20 May)7.5ft (2.3m)12s
Evening (20 May)4.5ft (1.4m)12s

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).

Tue
19
Wednesday
20
Thursday
21
Fri
22
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
2 AM
5 AM
8 AM
11 AM
Rating
(10 max)
1
0
2
2
4
4
4
0
0
0
2
2
4
3
3
2
3
3
2
3
3
3
3
1
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
2.1
NW
14
1.3
WNW
13
2.1
NW
13
1.9
NW
13
2.5
NW
13
1.9
NW
13
2.5
NW
13
2
NW
12
2.3
NW
12
2.3
NW
12
1.4
WNW
12
1.7
WNW
11
1.8
NW
11
1.8
NW
11
1.8
NW
11
1.8
NW
10
2.1
NW
10
1.9
NW
10
1.6
NW
10
2.1
NW
9
2.1
NW
9
1.8
NW
10
1.9
NW
10
1.8
NW
10
Wave Graph
Metric surfscale
Energy kJ
1760
624
1430
1147
2031
1204
1939
1112
1398
1374
518
694
749
749
749
735
810
716
538
688
760
636
687
624
Wind (km/h)
20
NW
25
NNW
20
N
15
N
15
NNE
15
NNE
15
N
20
NW
30
NW
30
NNW
20
NNW
15
N
15
NNE
10
NNE
5
N
10
NW
10
NW
0
NW
5
N
10
N
15
N
10
NNE
5
N
10
NW
cross-on
cross-on
cross
cross
cross
cross-off
cross
cross-on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross
cross-on
cross-on
glassy
cross
cross
cross
cross-off
glassy
cross-on
High Tide
3:13PM1.40m
1:37AM2.01m
4:11PM1.40m
2:34AM1.85m
5:10PM1.42m
3:39AM1.66m
Low Tide
7:40PM0.87m
9:06AM-0.55m
8:45PM0.89m
10:03AM-0.39m
10:05PM0.87m
11:00AM-0.22m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:28
8:29
8:30
8:30
Temp °C
17
21
17
11
10
10
13
18
18
18
14
11
11
12
15
14
14
14
13
13
12
13
15
13
13
16
13
7
7
7
10
14
11
12
10
8
8
10
14
12
12
14
12
11
9
11
14
11
Swell 1
Height (m)
Direction
Period (s)
0.4
SW
16
1.3
WNW
13
0.4
SW
16
1.9
NW
13
1.9
NW
13
1.9
NW
13
1.9
NW
13
0.5
SW
21
0.4
SW
16
0.4
SW
16
1.4
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
1.9
NW
10
1.6
NW
10
1.8
NW
10
1.8
NW
10
1.8
NW
10
1.9
NW
10
1.8
NW
10
Energy kJ
69
624
96
1147
1147
1204
1149
224
90
89
518
694
749
749
749
735
759
716
538
589
589
636
687
624
Swell 2
Height (m)
Direction
Period (s)
0.3
S
15
0.4
SW
16
0.3
S
15
0.4
SW
16
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
0.5
SW
19
0.6
SW
19
0.5
SW
19
0.5
SW
15
0.5
SW
15
0.5
SW
15
0.5
SW
15
0.5
SW
17
0.5
SW
15
0.5
SW
18
Energy kJ
39
69
39
96
96
68
162
65
61
59
122
119
112
79
184
303
184
113
115
116
116
142
112
154
Swell 3
Height (m)
Direction
Period (s)
0.3
SW
24
0.3
S
15
0.2
S
12
0.3
S
15
0.3
S
15
0.3
S
14
0.4
SW
16
0.3
S
14
0.4
SW
21
0.2
SSW
21
0.3
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
0.4
S
13
0.4
S
13
0.4
SW
18
0.5
SW
15
Energy kJ
87
39
11
39
38
37
66
36
117
44
33
57
57
57
78
79
80
54
54
54
53
52
111
109
Wind waves
Height (m)
Direction
Period (s)
2.1
NW
14
1.8
NW
8
2.1
NW
13
2
NW
8
2.5
NW
13
1.9
NW
8
2.5
NW
13
2
NW
12
2.3
NW
12
2.3
NW
12
1.6
NW
9
0.9
NNW
9
2.1
NW
8
2.1
NW
10
1
NNW
9
2.1
NW
9
2.1
NW
9
Energy kJ
1760
413
1430
489
2031
427
1939
1112
1398
1374
388
130
599
810
151
688
760
Nearest Offshore or Glassy
Rating
(10 max)
4
1
4
4
5
4
5
3
1
2
4
3
4
3
4
3
1
3
3
4
4
3
3
3
Distance (km)
211
386
57
29
0
0
3
193
243
265
57
3
0
0
3
169
905
0
3
3
3
0
0
141
Best forecast wave conditions in Humboldt County
Rating
(10 max)
4
5
4
5
4
4
3
4
3
3
4
4
3
3
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
4
5
4
5
4
3
3
4
4
4
3
4
3
1
3
3
4
4
3
3
3
Header Global
Rating
(10 max)
4
5
5
5
5
4
4
5
5
5
5
5
5
5
4
4
4
4
5
7
7
7
7
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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