Third Reef surfForecast / CAL – Humboldt / USA

information circle48hr Weather and Surf, issued 3 am Wednesday 18 Feb 2026 PST
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
12.8° C
(Which is 1.4°C warmer than normal for this time of year)


How big are the waves at Third Reef today?

The current surf forecast for Third Reef at 10AM is: 3.5m 13s primary swell from a West-northwest direction and 0.2m 13s secondary swell from a South-southwest direction (forecast issued at 03:00am February 18). The wind direction is predicted to be cross-shore.

Time (PST) & DateWave HeightWave Period
Morning (18 Feb)15ft (4.5m)13s
Afternoon (18 Feb)11ft (3.5m)13s
Evening (18 Feb)8ft (2.5m)12s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
18
Thursday
19
Friday
20
1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM
Rating
(10 max)
5
3
0
4
3
3
4
3
3
4
3
2
0
3
6
4
4
3
3
3
3
2
1
1
Swell
Height Map
Wave Height (m) & direction (?)
3.5
WNW
3.5
WNW
4.5
WNW
3.5
WNW
3.5
WNW
3
WNW
3
WNW
2.5
WNW
2.4
WNW
2.5
WNW
3
NW
2.1
NW
3
WNW
3.5
WNW
4
NW
3
WNW
2.4
WNW
2.1
WNW
1.9
WNW
1.2
W
1.1
NW
1.2
WNW
1.1
WNW
1
WNW
Period(s) (?)1313131313131212111111111011111111101010101099
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4308452767034549398133542481179414731865186297221573316434119481313978740284241276220177
Wind
(km/h)
5
NE
10
W
25
NW
15
N
10
NW
10
W
15
SSE
20
SSE
20
SE
15
NNW
20
NNW
20
N
30
NNW
20
N
20
N
15
NE
15
NE
15
ENE
15
ENE
10
E
10
SSE
10
SSE
20
SE
25
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
oncross-
on
crosscross-
on
oncross-
off
cross-
off
cross-
off
crosscrosscrosscross-
on
crosscrosscross-
off
cross-
off
cross-
off
offoffcross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
11:59PM
1.71
11:25AM
1.97
12:25AM
1.79
12:10PM
1.87
12:52AM
1.86
1:00PM
1.74
Low Tide
/ height (m)
5:29AM
0.65
6:01PM
0.07
6:11AM
0.52
6:31PM
0.20
6:57AM
0.41
7:02PM
0.36
Wednesday
18
Thursday
19
Friday
20
Sunrise---7:05-------7:03-------7:01----
Sunset-----5:54-------5:55-------5:57--
part cloud
light rain
rain showers
light rain
part cloud
cloud
cloud
light rain
light rain
mod rain
light rain
part cloud
rain showers
rain showers
clear
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
Rain (mm)
-131---14103-11----------
Temp. °C458788865456777432258987
Feels °C (?)1122444100-11022-1-2-3-315521
  • 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

Latest 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 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