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Surf Forecasts:

Third Reef surfForecast / CAL – Humboldt / USA

information circle48hr Weather and Surf, issued 10 pm Wednesday 18 Mar 2026 PDT
Forecast update in hr  min  s Forecast update imminent
Third Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Third Reef sea temperature is
10.5° C
 (Which is slightly cooler than normal)

How big are the waves at Third Reef today?

The current surf forecast for Third Reef at 4AM is: 1.1m 10s primary swell from a West direction and 0.7m 15s secondary swell from a South-southwest direction (forecast issued at 10:00pm March 18). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (PDT) & DateWave HeightWave Period
Morning (19 Mar)3.5ft (1.0m)10s
Afternoon (19 Mar)3ft (0.9m)10s
Evening (19 Mar)3.5ft (1.1m)10s

Table - waves today at Third Reef. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wed
18
Thursday
19
Friday
20
Saturday
21
8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM
Rating
(10 max)
3
3
2
2
2
1
0
0
2
3
3
3
3
1
0
1
1
2
2
2
2
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
W
1.2
W
1.1
W
1.1
W
1
W
1
W
1
W
0.8
NW
1
W
1.1
W
1.2
W
1.2
W
1.2
W
1.1
W
1.1
W
1.3
NW
1
W
1
W
1
W
0.9
W
0.6
SSW
0.7
NW
1.8
NW
2.1
NW
Period(s) (?)1110101010101012101012121211111111111111161179
Wave
Graph
(?)Metric surfscale
Energy kJ (?)379308254250215213190175204245396396396307302429256235231184177128318699
Wind
(km/h)
5
NE
10
NE
10
NE
10
NE
15
NE
5
N
10
NW
10
NW
10
N
15
NNE
15
NNE
15
NNE
15
NNE
10
NNW
20
NW
20
NNW
15
N
15
N
15
N
15
NNE
15
N
20
NNW
25
NNW
25
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
off		cross-
off		cross-
off		cross-
off		crosscross-
on		cross-
on		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
on		cross-
on		crosscrosscrosscrosscross-
off		crosscrosscross-
on		cross-
on
High Tide
/ height (m)
12:03AM
1.80
12:21PM
1.80
12:32AM
1.89
1:12PM
1.72
1:03AM
1.97
2:05PM
1.61
Low Tide
/ height (m)
5:52PM
0.15
6:13AM
0.20
6:24PM
0.26
6:56AM
0.03
6:57PM
0.40
7:42AM
-0.08
Wed
18
Thursday
19
Friday
20
Saturday
21
Sunrise----7:20-------7:20-------7:18---
Sunset-------7:25-------7:28-------7:29
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
Rain (mm)
------------------------
Temp. °C171614141521212220161515142022221613121211131515
Feels °C (?)1614111011181719171211111016181813111098899
  • 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

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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 Third Reef 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 Third Reef at:
surf-forecast.com

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