Big Lagoon surfForecast / CAL – Humboldt / USA

information circle12 Day Weather and Surf, issued 10 pm Friday 20 Jun 2025 PDT
Forecast 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
12.2° C
(Which is slightly cooler than normal)


Best Forecast Surf Conditions for Big Lagoon this week:

The surf forecast for Big Lagoon over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jun 21) at 2AM. The primary swell is predicted to be 1.7m and 10s period with a secondary swell of 0.4m and 13s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Big Lagoon in the next 12 days are 3.0m 8s and forecast to arrive on Friday (Jun 27) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sat 21st Jun)5.5ft (1.7m) 10s
Best Surf 5PM (Fri 27th Jun)10ft (3.0m) 8s
Most Powerful 5PM (Fri 27th Jun)10ft (3.0m) 8s

Table - best surf conditions forecast for Big Lagoon over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
01
Wed
02
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.7
WNW
1.8
WNW
2
WNW
1.7
WNW
1.3
WNW
1.6
NW
2
NW
1
WNW
1.8
NW
1.8
NW
1.3
NW
0.9
WNW
0.9
WNW
1.3
WNW
1.5
NW
1.6
NW
1.4
NW
2.2
NW
2.1
NW
2.1
NW
3
NW
2.3
NW
2
NW
2.5
NW
2.3
NW
2.2
NW
2.5
NW
2.2
NW
2.1
NW
2.2
NW
1.8
NW
1.2
NW
2
NW
2
NW
2.2
NW
2.5
NW
Period(s) (?)10998888118871211117767888888888888767888
Wave
Graph
(?)Metric surfscale
Energy (?)61661272948745150261546156355434741536544541037037158267778511958636669668277139586685576263902094244917331069
Wind
(km/h)
5
ENE
20
NNW
30
NNW
10
NE
15
NW
20
NNW
10
SSE
15
NW
15
NW
5
SW
10
WNW
15
NNW
5
N
10
NW
15
NNW
10
N
15
NW
20
NNW
5
SE
15
NNW
20
NNW
0
ESE
10
NW
15
NW
10
SSE
10
NW
15
NW
0
NNW
10
NW
15
NNW
5
NW
10
WNW
5
NW
5
SE
10
SW
0
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassononcrossoncross-
on
offononglassoncross-
on
cross-
on
oncross-
on
cross-
on
ononglassoncross-
on
glassononcross-
off
ononglassoncross-
on
glassonglassoffcrossglass
High Tide
/ height (m)
9:11AM
1.92
8:31PM
2.80
10:25AM
2.00
9:20PM
2.90
11:28AM
2.09
10:11PM
2.97
12:23PM
2.17
11:02PM
3.00
1:14PM
2.22
11:54PM
2.98
2:03PM
2.25
12:45AM
2.90
2:49PM
2.28
1:35AM
2.76
3:34PM
2.30
2:26AM
2.56
4:17PM
2.32
3:19AM
2.34
4:58PM
2.35
4:17AM
2.11
5:38PM
2.37
5:23AM
1.91
6:16PM
2.39
Low Tide
/ height (m)
2:53AM
0.56
2:05PM
1.26
3:49AM
0.29
3:04PM
1.37
4:43AM
0.07
4:03PM
1.43
5:34AM
-0.07
5:00PM
1.46
6:24AM
-0.13
5:56PM
1.45
7:13AM
-0.12
6:51PM
1.43
7:59AM
-0.03
7:46PM
1.41
8:44AM
0.11
8:44PM
1.39
9:27AM
0.30
9:45PM
1.36
10:07AM
0.51
10:50PM
1.30
10:47AM
0.74
11:57PM
1.21
11:26AM
0.96
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
01
Wed
02
Sunrise-5:43--5:43--5:43--5:43--5:45--5:45--5:45--5:46--5:46--5:47--5:47--5:48-
Sunset--8:52--8:52--8:52--8:52--8:52--8:52--8:52--8:52--8:52--8:52--8:52--8:52
clearclearclearclearclearpart cloudclearclearpart cloudpart cloudclearpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudclearclearpart cloudclearclearclearclearclearpart cloudpart cloudpart cloudpart cloudpart cloudclearclearclearcloudlight rain
Rain (mm)
-----------------------------------2
Temp. °C131414131414121816131516131516151615131515131515131516131515131516151715
Feels °C (?)1210991111101613121414111314141412101312101313131414121413121414151615

Short Range Forecast: Mostly dry. Very mild (max 18°C on Mon morning, min 10°C on Fri night). Winds decreasing (fresh winds from the NNW on Sat afternoon, calm by Sun night).

Days 3-6 Weather Summary Mostly dry. Very mild (max 16°C on Tue afternoon, min 11°C on Mon night). Wind will be generally light.

Days 6-9 Weather Summary Mostly dry. Very mild (max 16°C on Sun afternoon, min 11°C on Thu night). Wind will be generally light.

Long Range Forecast: Light rain (total 2mm), mostly falling on Wed afternoon. Very mild (max 17°C on Wed morning, min 11°C on Mon night). Wind will be generally light.

  • 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 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 12 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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