Trinidad State Beach surfForecast / CAL – Humboldt / USA

information circle16 Day Weather and Surf, issued 4 pm Friday 08 May 2026 PDT
Forecast update in hr  min  s Forecast update imminent
Trinidad State Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Trinidad State Beach sea temperature is
12.5° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Trinidad State Beach this week:

The surf forecast for Trinidad State Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (May 09) at 2AM. The primary swell is predicted to be 0.7m and 14s period with a secondary swell of 0.7m and 5s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Trinidad State Beach in the next 16 days are 1.4m 12s and forecast to arrive on Saturday (May 09) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sat 9th May)2.5ft (0.7m) 14s
Best Surf 5AM (Sun 10th May)4.5ft (1.4m) 11s
Most Powerful11PM (Sat 9th May)4.5ft (1.4m) 12s

Table - best surf conditions forecast for Trinidad State Beach over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 16°C on Mon morning, min 9°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 18°C on Tue morning, min 11°C on Wed night). Wind will be generally light.

Fri
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
2
1
1
2
1
1
3
1
2
3
2
1
1
1
3
2
1
1
2
0
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)
0.8
WNW
10
0.7
WNW
14
1
W
11
0.9
WNW
13
1.4
W
11
1.3
W
11
1.2
W
11
1.3
WNW
11
1.4
WNW
11
1.4
WNW
11
1.3
WNW
11
1.1
WNW
11
1
W
11
1
W
11
1.2
W
12
1.2
W
12
1
W
11
0.8
W
10
0.5
SW
16
0.6
SW
16
0.6
SW
16
Wave Graph
Metric surfscale
Energy kJ
140
218
220
282
502
418
326
422
478
469
415
303
238
251
425
404
242
130
132
163
155
Wind (km/h)
20
NNW
5
ESE
10
WNW
10
NW
5
NNW
10
NNW
20
NNW
5
SE
10
NW
10
NNW
0
WSW
5
SW
5
SSW
5
SSW
15
SW
0
E
5
SE
5
WSW
5
SSW
5
ESE
15
NNW
cross-on
glassy
cross-on
cross-on
cross
cross-on
cross
cross-off
cross-on
cross
glassy
cross-on
cross-on
cross
cross-on
glassy
glassy
glassy
cross
cross-off
cross-on
High Tide
6:33PM1.40m
4:43AM1.52m
7:20PM1.46m
5:59AM1.44m
7:59PM1.57m
7:20AM1.40m
8:33PM1.70m
8:35AM1.42m
9:06PM1.86m
9:43AM1.48m
9:40PM2.02m
10:44AM1.57m
10:16PM2.18m
11:41AM1.64m
Low Tide
11:20PM1.05m
12:06PM0.11m
00:42AM0.94m
12:58PM0.17m
1:52AM0.75m
1:47PM0.23m
2:50AM0.50m
2:34PM0.32m
3:39AM0.21m
3:19PM0.42m
4:26AM-0.08m
4:04PM0.52m
5:11AM-0.34m
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
rain showers
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:03
6:03
6:01
6:00
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:20
8:21
8:22
8:22
8:23
8:24
8:25
8:27
5
Temp °C
13
11
14
14
11
13
14
12
16
15
13
18
17
15
15
14
13
14
13
12
14
10
9
12
12
10
11
11
10
15
13
12
18
16
14
13
12
12
14
11
10
11
Swell 1
Height (m)
Direction
Period (s)
0.8
WNW
10
0.7
NNW
5
1
W
11
1
W
10
1.4
W
11
1.3
W
11
1.2
W
11
1.5
NNW
7
1.4
WNW
11
1.4
WNW
11
1.4
NNW
7
1.1
WNW
11
1
NNW
7
1
W
11
1.2
W
12
1.2
W
12
1
W
11
0.8
W
10
0.7
W
10
0.7
W
9
0.8
W
9
Energy kJ
109
25
220
204
502
418
326
211
478
469
202
303
111
251
425
404
242
130
98
87
108
Swell 2
Height (m)
Direction
Period (s)
0.5
WNW
16
0.7
WNW
14
0.7
WNW
14
0.9
WNW
13
0.8
NNW
6
0.9
NW
6
0.4
SW
18
1.3
WNW
11
1.1
NW
6
1.1
NW
7
1.3
WNW
11
1.2
NNW
7
1
W
11
0.9
NNW
7
0.8
NNW
7
0.7
NNW
7
0.7
NNW
7
0.6
NNW
7
0.5
NNW
7
0.6
SW
16
0.6
SW
16
Energy kJ
140
218
204
282
40
46
111
422
104
111
415
138
238
88
61
46
47
36
30
163
155
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
13
0.5
WNW
9
0.6
NW
6
0.8
NW
6
0.5
SW
16
0.6
SW
17
0.1
SW
12
0.4
SW
15
0.6
SW
16
0.4
SW
16
0.6
SW
16
0.5
SW
15
0.4
SW
14
0.6
SW
15
0.4
SW
14
0.4
SW
14
0.4
SW
4
0.4
SW
4
0.5
SW
16
0.4
WSW
4
0.5
WNW
16
Energy kJ
44
47
24
36
124
190
5
75
153
89
159
106
74
134
73
67
7
6
132
5
147
Wind waves
Height (m)
Direction
Period (s)
0.7
NNW
7
1.1
NW
6
0.8
SW
5
0.5
SW
5
0.3
SSW
4
Energy kJ
48
75
31
14
3
Nearest Offshore or Glassy
Rating
(10 max)
1
2
2
2
3
2
2
3
2
2
3
3
2
2
2
3
2
1
1
2
2
Distance (km)
493
0
79
492
18
79
493
0
79
75
0
60
11
11
80
0
0
0
11
0
321
Best forecast wave conditions in Humboldt County
Rating
(10 max)
2
3
3
3
3
3
3
2
3
2
1
1
3
Best forecast wave conditions in United States
Rating
(10 max)
3
4
3
2
4
4
2
3
3
4
3
3
3
3
3
3
3
3
3
3
3
Header Global
Rating
(10 max)
5
4
5
4
4
9
9
5
4
5
9
9
9
5
6
6
5
5
5
4
5
  • 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 Trinidad State Beach Surf forecast

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

Trinidad State Beach is 14 km (9 miles) from McKinleyville. If you plan a vacation in Humboldt County, look for hotels and other accommodation in McKinleyville. McKinleyville has rooms for a wide range of budgets as well as car hire and transport links.

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