Surf Forecasts:
Jupiter Inlet South Jetty surf forecast from 11 Aug 2026:
- Most powerful swell: Tuesday 18 Aug, 8AM (local time) - 2ft (0.6m), 7s period, NE swell with 43 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 0.6m 7s and forecast to arrive on Tuesday (Aug 18) at 8AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 4s period and expected on Friday (Aug 14) at 11AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8AM (Tue 18th Aug) | 2ft (0.6m) 7s |
Table - best surf conditions forecast for Jupiter Inlet South Jetty over the next 16 days.
The Lowdown
Alright, this is Rusty. Let’s talk about what’s happening at Jupiter Inlet South Jetty. First off, I gotta be straight with you – the next two weeks are looking pretty bleak. We’ve got a long stretch of small, weak, and messy conditions. The water temp is sitting right around 86° with a teeny anomaly of 0.7°, so that’s totally normal for this time of year.
The first real glimmer of anything surfable? You’re gonna have to wait until Monday the 17th. That morning, the wind swings around to a light cross-offshore from the NW at 3 mph, and the swell jumps a bit to 1 ft from the NNE. Wave energy is still weak (26), but it’s clean. That’s the best we’ve got for a while, and it’s not a standout – just a little window of okay conditions.
The next morning, Tuesday the 18th, is similar. A light cross-offshore from the NNW at 6 mph, with 2 ft from the NE. The energy is still low (46), and the period is a short 7 seconds, so no real grunt. It’s clean, but don’t expect much power.
Then on Wednesday the 19th, we get a glassy morning with the wind dropping to nothing from the NW, and a tiny 0.7 ft from the ESE with a longer period of 10 seconds. It’s clean, but it’s barely a ripple. Energy is only 26.
Thursday the 20th morning is dead flat and glassy – 0.7 ft from the ENE, period 9 seconds, and the wind is calm. That’s as close to a lake as we’re gonna get.
The rest of the run through to the 26th is just a mix of onshore wind, tiny windswell, and rotten conditions. The combined energy of all swells never gets into the triple digits, staying weak the whole time. For a break that’s fairly exposed to NE swell, and with the optimum direction being NE, we just aren’t getting the goods.
If you’re a kitesurfer, those afternoons with onshore winds and a bit of chop might be more interesting than anything for a paddle surfer. The jetty setup can be tricky, and with the crowds sometimes being an issue, it’s not worth fighting for these scraps.
Honestly, hang tight. The forecast can change, but right now, there’s nothing to get excited about. We’ve got a solid blank run from now until at least the 17th, and even then, it’s just barely rideable. Keep your eyes on the horizon, but don’t hold your breath.
Rusty.
Short Range ForecastLight rain (total 9mm), mostly falling on Thu night. Warm (max 31°C on Wed afternoon, min 27°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Sat morning. Warm (max 30°C on Fri afternoon, min 27°C on Sun morning). Wind will be generally light. | |||||||||||||||||||
Tue 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | ||||||||||||||
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) | ENE 8 | NE 8 | NE 9 | NE 8 | S 3 | NE 8 | NE 8 | SSE 4 | NE 8 | SE 4 | SE 4 | ENE 12 | ESE 5 | SSE 5 | E 8 | ESE 8 | ESE 8 | NNE 7 | NNE 7 | NE 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 7 | 3 | 3 | 3 | 5 | 3 | 3 | 11 | 2 | 7 | 6 | 14 | 14 | 18 | 5 | 6 | 6 | 20 | 29 | 24 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross | glassy | cross-on | cross-off | cross | cross-on | cross-off | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-off | cross-off | cross-on | off |
High Tide | 8:29PM0.94m | 8:42AM0.92m | 9:16PM0.96m | 9:34AM0.95m | 10:01PM0.97m | 10:22AM0.95m | 10:44PM0.96m | 11:10AM0.94m | 11:26PM0.92m | 11:56AM0.91m | 00:07AM0.88m | 12:41PM0.87m | 00:50AM0.83m | |||||||
Low Tide | 2:11AM0.02m | 2:33PM-0.13m | 3:01AM-0.03m | 3:23PM-0.11m | 3:49AM-0.06m | 4:11PM-0.06m | 4:36AM-0.07m | 4:58PM0.01m | 5:23AM-0.04m | 5:45PM0.09m | 6:09AM0.01m | 6:33PM0.17m | ||||||||
 |  | | |  | |  | |  | | |  | | | | | | | | | |
 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — |
 | 8:00 | — | — | 8:00 | — | — | 7:59 | — | — | 7:58 | — | — | 7:57 | — | — | 7:55 | — | — | 7:54 | — |
mm | — | — | — | — | 2 | — | 2 | 5 | — | — | — | 1 | 2 | — | — | — | — | — | — | — |
Temp °C | 30 | 29 | 30 | 31 | 30 | 30 | 30 | 27 | 29 | 30 | 29 | 30 | 29 | 29 | 29 | 30 | 29 | 29 | 30 | 29 |
Feels °C | 33 | 31 | 34 | 34 | 32 | 33 | 33 | 29 | 32 | 33 | 31 | 33 | 30 | 31 | 32 | 32 | 30 | 32 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | SSE 5 | NE 8 | SSE 3 | NE 8 | NE 8 | S 3 | NE 8 | NE 8 | SSE 4 | E 8 | NE 13 | ENE 12 | ESE 5 | ENE 11 | SSE 5 | SSE 5 | SSE 5 | NNE 7 | NNE 7 | NE 6 |
| kJ | 2 | 3 | 1 | 3 | 3 | 1 | 3 | 3 | 6 | 1 | 6 | 14 | 14 | 12 | 5 | 4 | 6 | 20 | 29 | 24 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | NE 9 | E 7 | E 8 | NE 8 | E 7 | E 7 | NE 8 | NE 13 | NE 8 | E 8 | S 5 | E 8 | SE 5 | ESE 8 | ESE 8 | SSE 5 | ESE 8 | ESE 8 |
| kJ | 3 | 1 | 3 | 1 | 1 | 3 | 1 | 1 | 2 | 7 | 2 | 1 | 7 | 5 | 3 | 6 | 6 | 3 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | ENE 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 9 | E 7 | E 7 | E 7 | E 7 | ENE 12 | SE 8 | E 8 | E 8 | E 8 | ESE 8 | E 8 | — |
| kJ | 7 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 13 | 2 | 5 | 5 | 5 | 6 | 1 | — |
Wind waves Height (m) Direction Period (s) | ESE 4 | SSE 2 | — | SSE 4 | S 3 | — | SSE 2 | SSE 4 | — | SE 4 | SE 4 | SE 4 | — | SSE 5 | — | ESE 4 | — | — | — | — |
| kJ | 2 | 1 | — | 1 | 5 | — | 1 | 11 | — | 5 | 6 | 12 | — | 18 | — | 1 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1400 | 871 | 920 | 1623 | 867 | 1031 | 1622 | 1260 | 1031 | 1622 | 715 | 1746 | 366 | 486 | 292 | 292 | 292 | 113 | 292 | 112 |
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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