Trinidad State Beach surfForecast / CAL – Humboldt / USA

information circle16 Day Weather and Surf, issued 10 am Wednesday 27 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
11.0° C
(Which is 1.1°C colder than average for this time of year)

Trinidad State Beach surf forecast from 28 May 2026:

  • Best quality surf: Wednesday 27 May, 11PM (local time) - 11ft (3.5m), 10s period, NW swell with glassy winds.
  • Most powerful swell: Wednesday 27 May, 8PM (local time) - 11ft (3.5m), 10s period, NW swell with 2,646 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 27 May, 11PM (local time) - 11ft (3.5m), 10s period with NW swell.

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 Wednesday (May 27) at 11PM. The primary swell is predicted to be 3.5m and 10s period with a secondary swell of 0.8m and 21s. 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 3.5m 10s and forecast to arrive on Wednesday (May 27) at 8PM. 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+)11PM (Wed 27th May)11ft (3.5m) 10s
Best Surf11PM (Wed 27th May)11ft (3.5m) 10s
Most Powerful 8PM (Wed 27th May)11ft (3.5m) 10s

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 15°C on Wed morning, min 9°C on Fri night). Winds decreasing (fresh winds from the NNW on Wed afternoon, calm by Fri night).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 15°C on Sun afternoon, min 8°C on Sat night). Wind will be generally light.

Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
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)
1
1
4
2
2
4
2
2
4
0
1
3
0
1
4
2
0
2
1
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
NW
11
3.5
NW
10
3
NW
10
1.7
WNW
18
1.9
WNW
16
2
WNW
16
2.4
WNW
14
1.6
WNW
14
1.4
WNW
13
1.3
WNW
12
2.1
NW
8
2.5
NW
8
2.3
NW
9
2.5
NW
9
2.5
NW
9
1.6
NW
10
1.7
NNW
8
0.7
SW
18
0.7
SW
17
0.7
SW
16
0.7
SW
16
Wave Graph
Metric surfscale
Energy kJ
2058
2546
1597
1794
1919
1931
2379
920
655
469
530
848
745
987
1119
452
374
304
283
257
251
Wind (km/h)
20
NNW
25
NNW
10
SSE
15
SW
10
SSW
5
N
10
NNW
20
NNW
0
E
15
NNW
25
NNW
5
E
15
NNW
25
NNW
5
SE
10
NW
15
NNW
5
S
5
NW
10
NNW
5
NE
cross
cross
cross-off
cross-on
cross-on
glassy
cross-on
cross
glassy
cross-on
cross
glassy
cross-on
cross
cross-off
cross-on
cross-on
cross
cross-on
cross-on
glassy
High Tide
10:24AM1.38m
9:47PM2.00m
11:20AM1.43m
10:19PM2.02m
12:08PM1.48m
10:51PM2.03m
12:51PM1.51m
11:24PM2.03m
1:31PM1.53m
11:58PM2.01m
2:10PM1.52m
00:33AM1.98m
2:49PM1.51m
1:09AM1.93m
Low Tide
3:30PM0.66m
4:49AM-0.09m
4:13PM0.78m
5:27AM-0.19m
4:53PM0.87m
6:03AM-0.25m
5:32PM0.93m
6:39AM-0.27m
6:09PM0.97m
7:14AM-0.28m
6:46PM0.99m
7:51AM-0.26m
7:25PM1.00m
part cloud
part cloud
part cloud
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:48
5:48
5:47
5:47
5:46
5:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:37
8:38
8:39
8:40
8:40
8:42
8:43
Temp °C
15
14
12
14
15
12
12
13
11
12
13
11
14
15
11
15
14
11
14
14
11
11
8
11
12
13
11
10
9
7
9
8
6
10
11
8
13
11
10
13
12
9
Swell 1
Height (m)
Direction
Period (s)
3
NW
11
3.5
NW
10
3
NW
10
2.1
NW
9
1.9
WNW
16
2
WNW
16
2.4
WNW
14
1.6
WNW
14
2.2
NW
8
1.8
NW
8
1.3
WNW
12
2.5
NW
8
2.3
NW
9
2.5
NW
9
2.5
NW
9
1.6
NW
10
1.7
NNW
8
1.4
NW
7
1.3
NW
7
0.9
NW
6
0.7
SW
16
Energy kJ
2058
2546
1597
734
1919
1931
2379
920
655
398
461
848
745
987
1119
452
374
223
179
52
251
Swell 2
Height (m)
Direction
Period (s)
0.5
SW
15
0.4
SW
14
1.2
WNW
20
1.7
WNW
18
1.8
NW
9
1.4
NW
8
0.4
SW
14
0.3
SW
13
1.4
WNW
13
1.3
WNW
12
0.3
SW
14
0.3
SW
14
0.4
SW
21
0.9
WNW
11
0.6
SW
20
1.3
NNW
8
1
WNW
10
1.1
NW
9
0.7
SW
17
0.7
NW
8
0.6
NW
6
Energy kJ
106
73
1032
1794
465
264
47
27
653
469
29
29
117
173
239
206
196
182
283
70
30
Swell 3
Height (m)
Direction
Period (s)
0.1
W
25
0.3
WNW
23
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.7
WNW
10
0.2
SSW
16
0.4
SW
14
0.3
SW
14
0.1
SW
24
0.3
SW
22
0.3
SW
18
0.5
SW
20
0.3
SW
13
0.6
SW
19
0.6
SW
18
0.7
SW
18
0.7
SW
16
0.6
WNW
8
Energy kJ
12
106
73
72
50
92
25
52
29
22
77
49
206
26
287
258
304
257
45
Wind waves
Height (m)
Direction
Period (s)
2.1
NW
8
2.1
NW
8
Energy kJ
546
530
Nearest Offshore or Glassy
Rating
(10 max)
3
4
4
5
4
4
4
3
4
2
1
3
2
2
4
4
4
3
2
1
2
Distance (km)
390
140
0
141
11
0
321
374
0
374
493
0
353
493
0
321
117
5
79
79
0
Best forecast wave conditions in Humboldt County
Rating
(10 max)
4
4
4
4
3
4
4
3
2
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
5
4
4
4
3
4
4
2
4
4
4
4
4
4
4
3
3
4
Header Global
Rating
(10 max)
6
9
9
6
5
4
5
5
5
7
7
6
5
4
4
4
5
6
4
4
4
  • Map Icons:
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  • 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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