Stone Lagoon surfForecast / CAL – Humboldt / USA

information circle16 Day Weather and Surf, issued 10 pm Sunday 22 Mar 2026 PDT
Forecast update in hr  min  s Forecast update imminent
Stone Lagoon surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Stone Lagoon sea temperature is
11.6° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Stone Lagoon this week:

The surf forecast for Stone Lagoon over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Mar 23) at 5AM. The primary swell is predicted to be 2.2m and 10s period with a secondary swell of 0.4m and 20s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Stone Lagoon in the next 16 days are 3.5m 10s and forecast to arrive on Wednesday (Mar 25) at 8PM. 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+) 5AM (Mon 23rd Mar)7ft (2.2m) 10s
Best Surf 8PM (Thu 26th Mar)10ft (3.0m) 10s
Most Powerful 8PM (Wed 25th Mar)11ft (3.5m) 10s

Table - best surf conditions forecast for Stone Lagoon over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 6mm), mostly falling on Tue night. Very mild (max 17°C on Tue afternoon, min 8°C on Sun night). Winds increasing (calm on Sun night, fresh winds from the NNW by Wed afternoon).

Days 3-6 Weather Summary Mostly dry. Very mild (max 18°C on Fri afternoon, min 4°C on Thu morning). Winds decreasing (fresh winds from the NNW on Thu afternoon, calm by Fri night).

Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sun
29
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
4
2
2
3
1
2
1
0
0
2
2
0
4
3
3
3
2
2
2
2
2
Swell
Height Map
Wave Height (m) & direction (?)
2.5
NW
1.9
NW
1.7
NW
1.5
WNW
1.3
WNW
0.9
WNW
1.7
W
1.7
WNW
3
WNW
2.5
NW
2.4
WNW
3
NW
2.3
NW
2
NW
1.9
NW
1.9
NW
1.7
NW
1.4
NW
1
WNW
0.8
WNW
0.5
WNW
Period(s) (?)1010111111111011101010101010910111010912
Wave
Graph
(?)Metric surfscale
Energy kJ (?)123472069053335219654666219391460116117409927126397066524501799283
Wind
(km/h)
10
SSE
10
SSW
10
SW
10
SE
15
SSW
10
S
10
NNW
20
NNW
30
NNW
20
N
15
N
25
NNW
10
NE
5
N
5
NNW
10
SE
10
SSW
5
W
5
ESE
5
W
5
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscrosscross-
off
crosscross-
off
cross-
on
cross-
on
cross-
on
crosscrosscross-
on
cross-
off
glassglassoffcrosscross-
on
glassglassglass
High Tide
/ height (m)
2:43AM
2.77
4:29PM
2.05
3:31AM
2.69
5:49PM
1.96
4:31AM
2.59
7:18PM
1.96
5:45AM
2.49
8:35PM
2.04
7:08AM
2.43
9:30PM
2.15
8:26AM
2.43
10:12PM
2.28
9:33AM
2.45
Low Tide
/ height (m)
8:33PM
1.22
9:52AM
0.34
9:19PM
1.39
10:56AM
0.39
10:18PM
1.53
12:09PM
0.45
11:40PM
1.61
1:24PM
0.47
1:17AM
1.59
2:32PM
0.47
2:41AM
1.45
3:28PM
0.48
3:44AM
1.26
4:15PM
0.51
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sun
29
Sunrise-7:15--7:13--7:11--7:09--7:07--7:05--7:05-
Sunset--7:30--7:31--7:32--7:34--7:35--7:36--7:37
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
mod rain
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
part cloud
Rain (mm)
------6--------------
Temp. °C9131512161714101181015131618141615111617
Feels °C (?)71013111213115515991315131413111415
  • 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 Stone Lagoon Surf forecast

The above surf forecast table for Stone Lagoon provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Stone Lagoon can be found by selecting the local surf guide option on the grey menu. Our Stone 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 (Stone 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 Stone 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.

Stone Lagoon is 34 km (21 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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