Surf Forecasts:
Jupiter Inlet South Jetty surf forecast from 21 Jul 2026:
- Most powerful swell: Tuesday 21 Jul, 11PM (local time) - 2.5ft (0.8m), 4s period, SE swell with 22 kJ wave energy.
Best Forecast Surf Conditions for Jupiter Inlet South Jetty this week:
The most powerful waves expected at Jupiter Inlet South Jetty in the next 16 days are 0.8m 4s and forecast to arrive on Tuesday (Jul 21) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Sunday (Jul 26) at 8AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 11PM (Tue 21st Jul) | 2.5ft (0.8m) 4s |
Table - best surf conditions forecast for Jupiter Inlet South Jetty over the next 16 days.
The Lowdown
Alright, let’s put it in terms you can feel. Jupiter Inlet South Jetty is looking at a 16-day drought. No real waves, no scores worth mentioning, and the combined energy never gets above 60 (weak). It’s a tough stretch, but it’s part of the game here.
Starting Tuesday 21 July: a tiny 3ft SSE swell at 5 seconds, cross-on SE wind at 25 km/h, water temp 86°F (0.8°F above normal for the season). Choppy and flat.
Wednesday 22 July and Thursday 23 July: 2ft to 1ft swells, periods down to 4 seconds, combined energy in the teens. All poor.
Friday 24 July through Sunday 26 July: a 1.0ft to 1ft ENE swell, 8 seconds, combined energy up to 30 (still weak). Sunday morning has clean conditions with light W offshore wind at 10 km/h, and Sunday afternoon goes glassy, but the swell is just 1.0ft. Not surfable.
Monday 27 July through the end of the month and into August: 0.7ft to 2ft swells, short periods, combined energy barely above single digits. Some clean mornings, but no power.
The biggest pulse comes Monday 3 August afternoon: a 4ft SSE swell at 5 seconds, cross-on SE wind at 20 km/h, combined energy 60 (weak). Too short and choppy to be fun. Tuesday 4 August morning is glassy with 2ft SSE swell—still tiny.
From there to Wednesday 5 August, it’s all poor, flat, and choppy. No standout days. For kite surfers, the afternoon wind might offer something, but for regular surfers, it’s a total washout.
Keep the faith—these flat spells usually break.
Rusty.
Short Range ForecastMostly dry. Warm (max 30°C on Tue afternoon, min 28°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 18mm), heaviest on Sat afternoon. Warm (max 31°C on Sun afternoon, min 26°C on Sun morning). Wind will be generally light. | |||||||||||||||||||
Tue 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SSE 5 | SE 4 | SE 4 | SE 4 | ESE 4 | ESE 4 | SE 4 | E 4 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 27 | 22 | 18 | 17 | 10 | 6 | 4 | 16 | 12 | 12 | 20 | 19 | 19 | 19 | 11 | 11 | 11 | 11 | 11 | 6 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | cross-on | on | on | cross-on | on | on | on | cross-on | cross | cross-on | cross-off | off | glassy | cross-off | off | cross | cross-off |
High Tide | 3:00PM0.73m | 3:04AM0.70m | 3:56PM0.69m | 3:57AM0.67m | 4:53PM0.68m | 4:53AM0.65m | 5:50PM0.68m | 5:49AM0.66m | 6:43PM0.69m | 6:42AM0.67m | 7:31PM0.72m | 7:30AM0.69m | 8:15PM0.75m | |||||||
Low Tide | 9:00PM0.19m | 9:26AM0.05m | 9:55PM0.23m | 10:19AM0.08m | 10:49PM0.25m | 11:11AM0.09m | 11:41PM0.25m | 12:01PM0.08m | 00:29AM0.24m | 12:47PM0.06m | 1:15AM0.22m | 1:30PM0.04m | 1:58AM0.20m | |||||||
 |  | | | | | | | |  | | | |  | | | |  | | | |
 | — | — | 6:39 | — | — | 6:39 | — | — | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — |
 | 8:14 | — | — | 8:13 | — | — | 8:13 | — | — | 8:13 | — | — | 8:12 | — | — | 8:10 | — | — | 8:10 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | — | 2 | 3 | 3 | 4 | 2 | 3 | — | 1 | 2 |
Temp °C | 30 | 29 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 29 | 29 | 30 | 29 | 29 | 31 | 31 | 29 | 32 | 31 |
Feels °C | 30 | 30 | 30 | 29 | 29 | 31 | 31 | 30 | 32 | 30 | 31 | 32 | 33 | 31 | 32 | 35 | 33 | 32 | 35 | 32 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | E 8 | E 8 | E 8 | SSE 5 | SSE 5 | SE 4 | ENE 8 | E 4 | ENE 5 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | S 3 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 6 | 1 | 1 | 1 | 8 | 5 | 4 | 6 | 9 | 7 | 20 | 19 | 19 | 19 | 11 | 11 | 3 | 11 | 11 | 6 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | SE 8 | E 8 | E 8 | SE 8 | S 4 | E 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 7 | ESE 4 | SSE 4 | E 7 | ENE 8 | — | — | E 8 |
| kJ | 1 | 1 | 2 | 1 | 1 | 3 | 1 | 1 | 12 | 12 | 1 | 1 | 1 | 2 | 3 | 1 | 11 | — | — | 1 |
Swell 3 Height (m) Direction Period (s) | E 8 | — | — | — | E 8 | E 8 | E 8 | S 5 | SE 8 | E 8 | — | — | E 7 | E 7 | E 7 | — | E 7 | E 7 | E 7 | N 6 |
| kJ | 1 | — | — | — | 1 | 1 | 1 | 1 | 2 | 1 | — | — | 1 | 1 | 1 | — | 1 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | SSE 5 | SE 4 | SE 4 | SE 4 | ESE 4 | ESE 4 | NE 4 | E 4 | SE 4 | SE 4 | SE 4 | SE 4 | SE 4 | SSE 5 | S 3 | SE 4 | S 3 | — | S 3 | S 3 |
| kJ | 27 | 22 | 18 | 17 | 10 | 6 | 3 | 16 | 4 | 6 | 5 | 8 | 9 | 8 | 3 | 3 | 5 | — | 5 | 6 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1590 | 273 | 238 | 1058 | 246 | 246 | 833 | 833 | 327 | 366 | 109 | 109 | 327 | 112 | 112 | 311 | 399 | 312 | 381 | 857 |
Best forecast wave conditions in South Florida | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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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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