Surf Forecasts:
Trinidad State Beach surf forecast from 21 Sep 2026:
- Best quality surf: Tuesday 22 Sep, 2AM (local time) - 4.5ft (1.3m), 13s period, WNW swell with glassy winds.
- Most powerful swell: Friday 25 Sep, 8PM (local time) - 11ft (3.5m), 9s period, NW swell with 1,817 kJ wave energy.
- Next surfable swell (1★+): Monday 21 Sep, 8PM (local time) - 2.5ft (0.8m), 15s period with WNW 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 Monday (Sep 21) at 8PM. The primary swell is predicted to be 0.7m and 17s period with a secondary swell of 1.2m and 7s. Another secondary swell of 0.8m and 15s is also forecast. 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 9s and forecast to arrive on Friday (Sep 25) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Mon 21st Sep) | 2.5ft (0.8m) 15s |
| Best Surf | 2AM (Tue 22nd Sep) | 4.5ft (1.3m) 13s |
| Most Powerful | 8PM (Fri 25th Sep) | 11ft (3.5m) 9s |
Table - best surf conditions forecast for Trinidad State Beach over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 17°C on Wed morning, min 12°C on Mon morning). Wind will be generally light. | Days 4-6 Weather SummarySome drizzle, heaviest during Thu night. Very mild (max 18°C on Thu afternoon, min 12°C on Fri night). Winds decreasing (fresh winds from the NNW on Fri afternoon, calm by Sat night). | ||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 17 | SW 17 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | NW 11 | WNW 11 | NW 10 | WNW 10 | NW 9 | NW 8 | NW 9 | NW 8 | NW 9 | NW 8 | NW 8 | NW 7 | WNW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 241 | 298 | 553 | 688 | 692 | 408 | 412 | 419 | 836 | 634 | 424 | 308 | 595 | 1418 | 943 | 637 | 714 | 728 | 308 | 174 | 193 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | glassy | cross-on | cross | glassy | cross-on | cross | glassy | cross-on | cross | cross-off | cross | cross | off | cross-on | cross | glassy | cross-on | cross | off |
High Tide | 9:51AM1.49m | 8:28PM1.72m | 10:21AM1.58m | 9:23PM1.78m | 10:46AM1.68m | 10:11PM1.84m | 11:11AM1.79m | 10:56PM1.88m | 11:35AM1.91m | 11:39PM1.91m | 12:00PM2.03m | 00:24AM1.90m | 12:28PM2.13m | 1:10AM1.86m | |||||||
Low Tide | 2:48PM1.05m | 3:34AM0.17m | 3:38PM0.89m | 4:12AM0.12m | 4:20PM0.71m | 4:44AM0.10m | 4:59PM0.52m | 5:16AM0.13m | 5:37PM0.33m | 5:46AM0.20m | 6:15PM0.15m | 6:18AM0.31m | 6:55PM-0.01m | ||||||||
 | |  |  | |  | | | | | |  | | | | | | | | | | |
 | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — |
 | — | 7:15 | — | — | 7:14 | — | — | 7:12 | — | — | 7:09 | — | — | 7:08 | — | — | 7:07 | — | — | 7:05 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 12 | 15 | 16 | 13 | 17 | 17 | 13 | 17 | 18 | 16 | 15 | 17 | 14 | 16 | 16 | 12 | 14 | 15 | 12 |
Feels °C | 14 | 13 | 12 | 14 | 14 | 11 | 15 | 15 | 11 | 16 | 17 | 15 | 12 | 11 | 10 | 13 | 14 | 10 | 12 | 12 | 10 |
Swell 1 Height (m) Direction Period (s) | NW 7 | NW 7 | WNW 13 | WNW 12 | WNW 12 | NW 7 | WNW 11 | WNW 11 | NW 11 | WNW 11 | NW 10 | WNW 10 | NW 9 | SW 14 | NW 9 | NW 8 | NW 9 | NW 8 | NW 8 | NW 7 | NW 7 |
| kJ | 131 | 127 | 553 | 688 | 692 | 303 | 412 | 419 | 836 | 634 | 424 | 308 | 595 | 89 | 943 | 637 | 714 | 728 | 308 | 174 | 91 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SW 17 | NNW 7 | NW 6 | SW 16 | WNW 11 | NW 7 | NW 6 | SW 15 | SW 15 | SW 14 | SW 14 | W 10 | SW 19 | SW 13 | SW 13 | SW 13 | SW 13 | SW 17 | WNW 12 | WNW 11 |
| kJ | 241 | 298 | 138 | 130 | 203 | 408 | 155 | 98 | 174 | 171 | 169 | 118 | 417 | 15 | 63 | 61 | 60 | 59 | 73 | 81 | 193 |
Swell 3 Height (m) Direction Period (s) | WNW 9 | WNW 8 | SW 17 | SW 16 | — | SW 16 | SW 16 | SW 16 | — | W 16 | W 21 | W 15 | SW 13 | W 13 | SW 21 | WSW 18 | SW 18 | SW 19 | SW 13 | SW 17 | SW 16 |
| kJ | 32 | 59 | 342 | 214 | — | 206 | 203 | 193 | — | 5 | 9 | 4 | 113 | 3 | 17 | 31 | 84 | 92 | 42 | 147 | 127 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NW 7 | — | — | — | — | — | — | — | — | NW 8 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 173 | — | — | — | — | — | — | — | — | 1418 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 75 | 493 | 0 | 79 | 493 | 0 | 117 | 321 | 0 | 321 | 11 | 0 | 227 | 160 | 0 | 79 | 493 | 0 | 79 | 141 | 0 |
Best forecast wave conditions in Humboldt County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Trinidad State Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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