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Surf Forecasts:
Big Lagoon surfForecast / CAL – Humboldt / USA
16 Day Weather and Surf, issued 4 pm Thursday 30 Apr 2026 PDTForecast update in hr min s Forecast update imminent
Big Lagoon surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Big Lagoon sea temperature is
12.4° C
(Which is slightly warmer than usual)Best Forecast Surf Conditions for Big Lagoon this week:
The surf forecast for Big Lagoon over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Apr 30) at 11PM. The primary swell is predicted to be 1.2m and 12s period with a secondary swell of 1.6m and 7s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Big Lagoon in the next 16 days are 1.9m 14s and forecast to arrive on Monday (May 04) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Thu 30th Apr) | 4ft (1.2m) 12s |
| Best Surf | 8PM (Sun 3rd May) | 5ft (1.5m) 15s |
| Most Powerful | 2AM (Mon 4th May) | 6ft (1.9m) 14s |
Table - best surf conditions forecast for Big Lagoon over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 14°C on Sun morning, min 10°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 14°C on Sun afternoon, min 10°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Thu 30 | Friday 1 | Saturday 2 | Sunday 3 | Monday 4 | Tuesday 5 | Wednesday 6 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
WNW 13 | WNW 12 | WNW 13 | WNW 12 | WNW 12 | NW 9 | NW 9 | NW 9 | NW 9 | WNW 15 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 13 | WNW 12 | WNW 12 | |
454 | 355 | 440 | 406 | 477 | 582 | 698 | 460 | 457 | 860 | 1415 | 960 | 732 | 619 | 444 | 349 | 214 | 214 | 405 | 387 | 368 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | glassy | on | on | off | on | on | glassy | cross-on | cross | cross-off | cross | cross-off | glassy | cross-on | on | off | cross-on | cross-on | glassy | on | |
High Tide | 11:26PM2.64m | 12:50PM2.20m | 11:56PM2.64m | 1:34PM2.18m | 00:26AM2.62m | 2:18PM2.13m | 00:59AM2.58m | 3:04PM2.08m | 1:34AM2.51m | 3:55PM2.02m | 2:11AM2.43m | 4:52PM1.98m | 2:52AM2.33m | ||||||||
Low Tide | 5:26PM1.18m | 6:19AM0.36m | 6:00PM1.29m | 6:55AM0.31m | 6:35PM1.38m | 7:33AM0.31m | 7:09PM1.46m | 8:13AM0.35m | 7:46PM1.54m | 8:55AM0.42m | 8:25PM1.61m | 9:41AM0.51m | 9:11PM1.67m | 10:29AM0.59m | |||||||
 |  | | | | | |  | | | | | | | |  |  | | | |  | |
 | — | — | 6:13 | — | — | 6:13 | — | — | 6:11 | — | — | 6:09 | — | — | 6:09 | — | — | 6:07 | — | — | 6:07 |
 | 8:12 | — | — | 8:13 | — | — | 8:14 | — | — | 8:15 | — | — | 8:15 | — | — | 8:16 | — | — | 8:17 | — | 8:19 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 11 | 12 | 13 | 11 | 13 | 13 | 11 | 14 | 14 | 12 | 13 | 13 | 12 | 14 | 14 | 12 | 14 | 13 | 11 | 13 |
10 | 8 | 10 | 9 | 8 | 12 | 10 | 9 | 12 | 12 | 10 | 12 | 12 | 11 | 13 | 13 | 12 | 13 | 12 | 10 | 11 | |
Swell 1 Height (m) Direction Period (s) | WNW 13 | NW 7 | NW 7 | WNW 12 | NW 7 | NW 9 | WNW 12 | NW 9 | NW 9 | WNW 15 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 13 | WNW 12 | WNW 12 |
 kJ | 454 | 253 | 225 | 406 | 281 | 582 | 150 | 460 | 363 | 860 | 1415 | 960 | 732 | 619 | 444 | 349 | 214 | 214 | 405 | 387 | 368 |
Swell 2 Height (m) Direction Period (s) | SW 14 | WNW 12 | WNW 13 | WSW 13 | WNW 12 | WNW 12 | WNW 20 | WNW 11 | WNW 16 | NW 8 | SW 18 | NNW 8 | NW 8 | NNW 8 | NNW 8 | SW 17 | SW 15 | SW 16 | SW 16 | NW 7 | NW 7 |
| kJ | 53 | 355 | 440 | 17 | 477 | 196 | 38 | 126 | 457 | 286 | 48 | 61 | 75 | 39 | 45 | 190 | 134 | 155 | 155 | 47 | 41 |
Swell 3 Height (m) Direction Period (s) | SW 19 | SW 14 | SW 13 | SW 16 | WSW 13 | WSW 13 | WSW 12 | WNW 18 | WNW 12 | SSW 16 | SW 18 | SW 15 | SW 15 | SW 16 | SW 17 | NNW 8 | NNW 8 | W 14 | WNW 7 | SW 14 | SW 14 |
| kJ | 14 | 29 | 28 | 10 | 17 | 17 | 15 | 249 | 83 | 25 | 48 | 54 | 57 | 90 | 101 | 37 | 24 | 101 | 31 | 128 | 128 |
Wind waves Height (m) Direction Period (s) | NW 7 | — | — | NW 7 | — | — | NW 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 228 | — | — | 301 | — | — | 698 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 502 | 0 | 69 | 502 | 0 | 69 | 777 | 0 | 399 | 70 | 0 | 70 | 0 | 0 | 69 | 69 | 0 | 363 | 502 | 0 | 69 |
Best forecast wave conditions in Humboldt County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Big Lagoon 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 Big Lagoon Surf forecast
The above surf forecast table for Big Lagoon provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Big Lagoon can be found by selecting the local surf guide option on the grey menu. Our Big Lagoon 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 (Big Lagoon) 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 Big Lagoon 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.
Big Lagoon is 24 km (15 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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