40th Street surf break

40th Street surfForecast / CAL – Orange County / USA

information circle12 Day Weather and Surf, issued 3 am Wednesday 17 Dec 2025 PST
Forecast update in hr  min  s Forecast update imminent
40th Street surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's 40th Street sea temperature is
17.4° C
(Which is 2.2°C warmer than normal for this time of year)
Nearby Cam: 7km away, View from Huntington Beach Pier


Best Forecast Surf Conditions for 40th Street this week:

The surf forecast for 40th Street over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Dec 17) at 10PM. The primary swell is predicted to be 0.9m and 8s period with a secondary swell of 0.6m and 12s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at 40th Street in the next 12 days are 2.0m 6s and forecast to arrive on Wednesday (Dec 24) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (PST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Wed 17th Dec)3ft (0.9m) 8s
Best Surf10PM (Wed 17th Dec)3ft (0.9m) 8s
Most Powerful10AM (Wed 24th Dec)6.5ft (2.0m) 6s

Table - best surf conditions forecast for 40th Street over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 22°C on Thu morning, min 16°C on Wed morning). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Mon morning, min 16°C on Sat night). Wind will be generally light.

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
1
1
0
1
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.5
W
0.6
W
0.9
W
0.8
W
0.9
W
0.7
W
0.8
W
0.8
W
1.1
W
0.8
W
0.6
W
0.4
W
0.4
WNW
0.4
W
0.6
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.4
SW
Period(s) (?)13128888118878712111111101010915
Wave
Graph
(?)Metric surfscale
Energy kJ (?)86110106801076914986141694015463985565348474154
Wind
(km/h)
5
W
10
W
5
ESE
5
N
10
W
5
SE
5
S
10
WSW
10
SE
10
SE
5
S
5
SE
5
SE
10
W
5
NW
5
NW
15
WNW
5
W
10
SSE
15
SSE
15
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on
cross-
off
cross-
off
cross-
on
glassglassoncrosscrosscross-
on
crossglasscross-
on
glasscrosscross-
on
cross-
on
cross-
on
crosscross-
off
High Tide
/ height (m)
8:45PM
1.02
7:12AM
1.74
9:20PM
1.03
7:43AM
1.76
9:55PM
1.03
8:15AM
1.77
10:31PM
1.03
8:49AM
1.76
11:09PM
1.03
9:23AM
1.72
11:50PM
1.04
10:00AM
1.64
12:33AM
1.06
Low Tide
/ height (m)
2:18PM
-0.11
12:58AM
0.74
2:50PM
-0.16
1:31AM
0.76
3:22PM
-0.19
2:03AM
0.76
3:56PM
-0.20
2:37AM
0.77
4:32PM
-0.19
3:13AM
0.78
5:08PM
-0.16
3:54AM
0.80
5:45PM
-0.10
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Sunrise6:48--6:50--6:50--6:50--6:52--6:52--6:52--
Sunset-4:45--4:45--4:45--4:45--4:46--4:46--4:47-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
rain showers
Rain (mm)
--------------------3
Temp. °C171819222219201918181717181818191917181717
Feels °C (?)161719192018191717181718171717181716161515
  • 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 40th Street Surf forecast

The above surf forecast table for 40th Street provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at 40th Street can be found by selecting the local surf guide option on the grey menu. Our 40th Street 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 (40th Street) 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 40th Street 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.

40th Street is 1 km (1 miles) from the city of Newport Beach. If you plan a vacation in Orange County, look for hotels and other accommodation in Newport Beach. Newport Beach has rooms for a wide range of budgets as well as car hire and transport links.

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