Jupiter Inlet South Jetty Surf Break

Lat Long: 26.94° N 80.07° W

Jupiter Inlet South Jetty Surf Forecast and Surf Report

Issued: 7 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Jupiter Inlet South Jetty sea temperature is
30.4°C
1.6° 

Jupiter Inlet South Jetty surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Jupiter Inlet South Jetty surf forecast from 18 Sep 2026:

  • Best quality surf: Friday 25 Sep, 5AM (local time) - 3ft (0.9m), 10s period, NE swell with cross-offshore winds.
  • Most powerful swell: Friday 25 Sep, 11AM (local time) - 3.5ft (1.1m), 12s period, NE swell with 319 kJ wave energy.
  • Next surfable swell (1★+): Friday 25 Sep, 5AM (local time) - 3ft (0.9m), 10s period with NE swell.

Best Forecast Surf Conditions for Jupiter Inlet South Jetty this week:

The surf forecast for Jupiter Inlet South Jetty over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 25) at 5AM. The primary swell is predicted to be 0.9m and 10s period with a secondary swell of 0.3m and 3s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Jupiter Inlet South Jetty in the next 16 days are 1.1m 12s and forecast to arrive on Friday (Sep 25) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 5s period and expected on Monday (Sep 21) at 5AM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Fri 25th Sep)3ft (0.9m) 10s
Best Surf 5AM (Fri 25th Sep)3ft (0.9m) 10s
Most Powerful11AM (Fri 25th Sep)3.5ft (1.1m) 12s

Table - best surf conditions forecast for Jupiter Inlet South Jetty over the next 16 days.


Short Range Forecast

Heavy rain (total 27mm), heaviest during Sat night. Warm (max 29°C on Sat afternoon, min 27°C on Fri night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 24mm), heaviest during Mon night. Warm (max 29°C on Mon afternoon, min 26°C on Tue morning). Wind will be generally light.

Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
NE
8
1
NE
7
0.8
NE
7
0.7
NE
7
0.6
NE
7
0.6
NE
8
0.5
NE
7
0.4
NE
7
0.4
NE
7
0.3
NE
7
0.4
NE
10
0.6
NNE
8
0.5
NE
8
0.6
NE
8
0.6
NE
8
0.5
NE
8
0.5
NE
7
0.4
NE
7
0.4
NE
7
0.4
NE
10
0.7
NE
11
Wave Graph
Metric surfscale
Energy kJ
141
105
71
45
28
35
26
18
12
7
24
46
29
36
35
28
27
13
18
28
121
Wind (km/h)
15
ENE
15
ENE
10
E
10
ENE
10
E
15
ESE
10
ENE
15
ENE
10
SSE
5
SW
10
E
15
S
5
WSW
10
ESE
10
S
10
NNE
15
E
5
SSE
5
NNW
15
NE
10
SSE
Wind State
on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
glassy
on
cross
cross-off
on
cross
cross
on
cross-on
cross-off
cross-on
cross
High Tide
2:26PM0.79m
2:33AM0.77m
3:26PM0.77m
3:34AM0.75m
4:28PM0.78m
4:38AM0.77m
5:27PM0.81m
5:38AM0.80m
6:18PM0.85m
6:32AM0.85m
7:03PM0.90m
7:20AM0.90m
7:44PM0.93m
Low Tide
8:29PM0.48m
8:58AM0.37m
9:34PM0.49m
10:00AM0.37m
10:35PM0.48m
10:55AM0.35m
11:28PM0.43m
11:45AM0.31m
00:13AM0.37m
12:30PM0.27m
00:54AM0.29m
1:12PM0.23m
1:32AM0.21m
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
rain showers
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:05
7:07
7:07
7:07
7:07
7:07
7:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:21
7:20
7:19
7:17
7:16
7:15
7:14
 mm
1
4
1
3
13
4
1
1
5
7
1
4
1
5
2
Temp °C
28
28
28
28
29
28
29
29
29
28
29
29
28
29
29
28
29
28
27
28
28
Feels °C
31
30
30
31
31
30
32
31
31
32
32
31
31
32
31
32
32
32
30
29
30
  • 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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Information about the Jupiter Inlet South Jetty Surf forecast

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

Jupiter Inlet South Jetty is 3 km (2 miles) from Jupiter. If you plan a vacation in South Florida, look for hotels and other accommodation in Jupiter. Jupiter has rooms for a wide range of budgets as well as car hire and transport links.

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