Third Reef surfForecast / CAL – Humboldt / USA

information circle48hr Weather and Surf, issued 10 am Saturday 18 Apr 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
11.8° C
(Which is normal for this time of year)

How big are the waves at Third Reef today?

The current surf forecast for Third Reef at 2PM is: 0.8m 15s primary swell from a South-southwest direction and 0.6m 8s secondary swell from a Northwest direction (forecast issued at 10:00am April 18). The wind direction is predicted to be glassy.

Time (PDT) & DateWave HeightWave Period
Morning (18 Apr)2.5ft (0.8m)16s
Afternoon (18 Apr)2.5ft (0.8m)15s
Evening (18 Apr)2.5ft (0.7m)15s

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


Updates in  hr  min  s Forecast update imminent
Saturday
18
Sunday
19
Monday
20
Tue
21
8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM
Rating
(10 max)
2
1
2
2
2
2
2
2
2
2
0
1
3
3
3
2
3
3
3
4
4
3
2
3
Swell
Height Map
Wave Height (m) & direction (?)
0.7
SSW
0.8
SSW
0.8
SSW
0.7
SSW
0.7
SSW
0.6
SSW
0.7
SSW
0.7
SSW
0.8
SSW
0.8
SSW
0.8
SSW
0.8
SSW
1.6
WSW
1.6
SW
1.5
WSW
0.8
SSW
1.1
WNW
1.7
WNW
2.1
WNW
2.1
WNW
2
WNW
1.8
WNW
1.7
WNW
1.6
WNW
Period(s) (?)161515151515141414141414888131413121212121111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)253270249191188167218215233226220213331314271201508936131412521121843704604
Wind
(km/h)
10
NE
5
WSW
5
W
5
WNW
5
E
5
ESE
10
SE
10
SE
15
SE
15
SSE
15
S
20
SE
10
SSE
10
SE
15
ENE
10
ESE
10
E
20
SSE
20
S
10
SSE
5
SE
10
ESE
15
SSE
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
onglassglassglassglasscross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
offoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
off
High Tide
/ height (m)
1:15PM
1.55
12:23AM
2.06
2:12PM
1.48
1:05AM
2.06
3:13PM
1.40
1:52AM
2.01
Low Tide
/ height (m)
6:41AM
-0.41
6:24PM
0.59
7:29AM
-0.48
7:04PM
0.71
8:21AM
-0.48
7:49PM
0.82
Saturday
18
Sunday
19
Monday
20
Tue
21
Sunrise6:33-------6:33-------6:31-------
Sunset---7:57-------7:58-------7:59----
clear
clear
part cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
mod rain
mod rain
light rain
light rain
light rain
light rain
light rain
Rain (mm)
--------------1449743113
Temp. °C101411111112121111121313121211111011111211111211
Feels °C (?)7119999987898910888871010999
  • 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

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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest