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Surf Forecasts:

The Lagoons surfForecast / CAL – Humboldt / USA

information circle12 Day Weather and Surf, issued 4 am Wednesday 17 Sep 2025 PDT
Forecast update in hr  min  s Forecast update imminent
The Lagoons surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Lagoons sea temperature is
15.0° C
 (Which is 1.3°C warmer than normal for this time of year)

Best Forecast Surf Conditions for The Lagoons this week:

The surf forecast for The Lagoons over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 17) at 11PM. The primary swell is predicted to be 2.5m and 8s period with a secondary swell of 0.7m and 12s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at The Lagoons in the next 12 days are 3.5m 10s and forecast to arrive on Thursday (Sep 18) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 7s period and expected on Wednesday (Sep 17) at 8PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Wed 17th Sep)8ft (2.5m) 8s
Best Surf 2AM (Thu 18th Sep)10ft (3.0m) 9s
Most Powerful 8PM (Thu 18th Sep)11ft (3.5m) 10s

Table - best surf conditions forecast for The Lagoons over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 2mm), mostly falling on Thu night. Very mild (max 19°C on Wed afternoon, min 14°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 20°C on Sun morning, min 14°C on Sat night). Wind will be generally light.

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
!
!
!
!
2
2
2
1
1
3
2
2
3
2
1
3
2
3
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
SW
1.6
NW
3
NW
3
NW
3.5
NW
3
NW
2.1
NW
1.7
NW
1.3
NW
1.2
NW
1.2
WNW
1.4
WNW
1.4
WNW
1.6
WNW
1.7
WNW
1.7
WNW
1.7
WNW
1.6
WNW
1.6
WNW
1.7
WNW
1.4
WNW
Period(s) (?)161091010109899912111111111110111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1634711339152719921446684408294242226560513571615627661562606627450
Wind
(km/h)
15
NNW
20
NNW
5
NE
10
NW
10
NNW
5
SSE
10
WSW
5
SSW
0
ESE
10
NW
10
NNW
5
ENE
10
NW
15
NNW
5
ESE
10
NW
10
NW
5
S
10
SSW
15
SE
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		glasscross-
on		crossglasscross-
on		glassglasscross-
on		cross-
on		glasscross-
on		crossglasscross-
on		cross-
on		glasscrosscross-
off		cross-
off
High Tide
/ height (m)
10:05AM
2.15
9:00PM
2.50
10:43AM
2.25
9:58PM
2.52
11:15AM
2.35
10:49PM
2.52
11:44AM
2.43
11:35PM
2.50
12:10PM
2.49
12:18AM
2.45
12:35PM
2.54
1:01AM
2.37
1:01PM
2.55
1:44AM
2.27
Low Tide
/ height (m)
3:11PM
1.44
4:02AM
0.42
4:07PM
1.27
4:44AM
0.45
4:54PM
1.10
5:21AM
0.51
5:36PM
0.94
5:54AM
0.62
6:15PM
0.79
6:24AM
0.75
6:52PM
0.68
6:54AM
0.90
7:30PM
0.61
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Sunrise6:58--6:58--7:00--7:01--7:01--7:03--7:03--
Sunset-7:22--7:21--7:19--7:16--7:15--7:14--7:12-
clear
clear
clear
part cloud
cloud
light rain
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
mod rain
Rain (mm)
-----2--------------7
Temp. °C181914181817191816191915202015191914181617
Feels °C (?)161714171616191817191814181814181814171514
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for CAL - Humboldt

  1. weather stationWind Update Light wind has turned cross-on at The Lagoons (light winds from the NNW at Arcata/Eureka Airport 31 km from The Lagoons). 0.9m 10s swell from the WNW with a 0.4m 13s groundswell, also from the WNW and a 0.3m 16s long period groundswell, also from the SW. 3 swells combining to make bigger set waves.

    1 hour 15 minutes ago The Lagoons
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31 km away, 1 h 15 min ago

15 km/h
NNW
0.0
15.0
Air / Water (°C)
Please reload the page to see if there are any updates.

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 The Lagoons 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.

View detailed surf forecast for The Lagoons at:
surf-forecast.com

Information about the The Lagoons Surf forecast

The above surf forecast table for The Lagoons provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at The Lagoons can be found by selecting the local surf guide option on the grey menu. Our The Lagoons 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 (The Lagoons) 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 The Lagoons 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.

The Lagoons is 35 km (22 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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