Trinidad State Beach surfForecast / CAL – Humboldt / USA

information circle16 Day Weather and Surf, issued 10 pm Friday 22 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
10.5° C
(Which is 1.5°C colder than average for this time of year)

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 23) at 8AM. The primary swell is predicted to be 1.7m and 8s period with a secondary swell of 0.8m and 10s. 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 14s and forecast to arrive on Tuesday (May 26) at 2PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Sat 23rd May)5.5ft (1.7m) 8s
Best Surf 5AM (Tue 26th May)11ft (3.5m) 14s
Most Powerful 2PM (Tue 26th May)11ft (3.5m) 14s

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 14°C on Sat morning, min 9°C on Sun night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Very mild (max 15°C on Thu afternoon, min 8°C on Tue night). Winds increasing (calm on Tue morning, fresh winds from the NNW by Wed afternoon).

Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Fri
29
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
2
2
2
2
1
2
3
2
0
4
5
3
5
1
0
4
2
1
2
2
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.2
NW
8
1.7
NW
8
1.8
NW
8
1.8
NW
8
0.8
WNW
16
1.1
WNW
14
1.3
WNW
13
1.2
WNW
13
1.1
WNW
12
3
WNW
14
3.5
WNW
14
3.5
WNW
13
3
NW
12
2.5
NW
11
3
NW
10
3
NW
9
1.6
WNW
18
1.8
WNW
17
1.9
WNW
16
1.8
WNW
14
1.8
WNW
14
Wave Graph
Metric surfscale
Energy kJ
665
373
413
413
280
478
577
476
322
3685
4600
4457
3124
1701
1876
1373
1571
1842
1826
1340
1303
Wind (km/h)
10
S
10
WNW
10
WNW
5
S
10
SW
5
SSW
5
SSE
10
SSW
10
SW
10
N
0
S
10
NW
10
NNE
30
NNW
35
NNW
10
NNE
20
NNW
30
NNW
20
N
20
NNW
30
NNW
cross
on
cross-on
cross
cross-on
cross
glassy
cross
cross-on
cross
glassy
cross-on
cross-off
cross
cross
cross-off
cross
cross
cross
cross
cross
High Tide
5:20AM1.63m
7:06PM1.75m
6:41AM1.47m
7:53PM1.82m
8:03AM1.37m
8:35PM1.90m
9:19AM1.36m
9:12PM1.96m
10:24AM1.38m
9:47PM2.00m
11:20AM1.43m
10:19PM2.02m
12:08PM1.48m
Low Tide
11:47PM0.78m
12:09PM-0.04m
1:08AM0.63m
1:04PM0.15m
2:19AM0.44m
1:56PM0.33m
3:18AM0.23m
2:45PM0.50m
4:07AM0.05m
3:30PM0.66m
4:49AM-0.09m
4:13PM0.78m
5:27AM-0.19m
4:53PM0.87m
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:50
5:50
5:50
5:48
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:34
8:35
8:36
8:36
8:37
8:37
8:38
8:39
2
Temp °C
11
14
14
12
14
14
11
12
13
10
11
13
12
13
14
11
14
15
11
12
14
10
13
13
12
12
12
10
10
11
8
10
10
10
7
7
5
10
10
6
7
8
Swell 1
Height (m)
Direction
Period (s)
2.2
NW
8
1.7
NW
8
1.8
NW
8
1.8
NW
8
1.4
NW
8
1.1
WNW
14
1.3
WNW
13
1.2
WNW
13
1.1
WNW
12
3
WNW
14
3.5
WNW
14
3.5
WNW
13
3
NW
12
2.5
NW
11
0.4
SW
14
3
NW
9
1.6
WNW
18
1.8
WNW
17
3
NW
9
2.3
NW
8
1.8
WNW
14
Energy kJ
665
373
413
413
232
478
577
476
322
3685
4600
4457
3124
1701
73
1373
1571
1842
1109
736
1303
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
15
0.8
WNW
10
0.5
WNW
10
0.6
SW
16
0.8
WNW
16
1.1
NW
7
0.7
NW
7
0.6
SW
15
0.6
SW
15
0.6
SW
17
0.6
SW
15
0.6
SW
16
0.6
SW
16
0.5
SW
15
0.2
WNW
24
0.9
WNW
21
0.4
SW
14
0.4
SW
14
1.9
WNW
16
1.8
WNW
14
0.3
SW
14
Energy kJ
76
114
58
159
280
126
49
134
141
188
149
153
155
106
54
631
52
51
1826
1340
30
Swell 3
Height (m)
Direction
Period (s)
0.3
SW
18
0.4
SW
16
0.5
SW
16
0.4
WNW
18
0.8
WNW
9
0.8
WNW
9
0.4
SW
15
0.4
NNW
7
0.3
NNW
6
0.4
SW
14
0.3
SW
14
0.3
SW
14
Energy kJ
49
85
122
123
100
94
75
17
8
73
29
29
Wind waves
Height (m)
Direction
Period (s)
0.4
SW
3
3
NW
10
2.2
NW
9
3
NW
8
3
NW
8
Energy kJ
2
1876
698
1019
1261
Nearest Offshore or Glassy
Rating
(10 max)
3
1
2
3
2
3
3
3
1
5
5
2
5
4
1
4
3
3
3
4
2
Distance (km)
8
79
75
5
80
11
0
11
79
60
0
2418
0
321
493
0
390
492
79
374
832
Best forecast wave conditions in Humboldt County
Rating
(10 max)
3
2
3
3
3
3
4
7
5
4
Best forecast wave conditions in United States
Rating
(10 max)
3
3
2
3
4
3
3
4
4
8
7
2
5
4
4
4
3
3
4
4
2
Header Global
Rating
(10 max)
4
8
5
5
5
5
5
4
4
5
5
7
7
6
9
9
9
9
8
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)
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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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