Surf Forecasts:
Jupiter Inlet South Jetty surf forecast from 7 Aug 2026:
- Most powerful swell: Friday 7 Aug, 5PM (local time) - 4.5ft (1.3m), 6s period, E swell with 123 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 1.3m 6s and forecast to arrive on Friday (Aug 07) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 5s period and expected on Tuesday (Aug 11) at 11AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5PM (Fri 7th Aug) | 4.5ft (1.3m) 6s |
Table - best surf conditions forecast for Jupiter Inlet South Jetty over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's be straight with you. I've been staring at the charts for Jupiter Inlet South Jetty and, to be honest, it's looking pretty grim for the next couple of weeks. We've got a long stretch here where the conditions just aren't in our favour for a decent paddle. There are no standouts on offer, so we'll run through the whole period to give you the full picture.
We kick off Friday morning, August 7th, with a weak 4ft ENE swell running at a short period of 6 seconds. The wind is cross-onshore from the SE at 12 mph, making things choppy. The combined energy is a weak 124, and it's really just poor surf all around. That trend holds through the weekend and into the start of the next week. The swell drops right off, with Sunday morning seeing just 1ft at 7 seconds, and the wind staying mostly cross-on. You might see a bit of shape on Saturday afternoon when the wind turns a little more onshore, but the swell's dropping to 2ft, so there’s not much to work with.
Monday and Tuesday are flat to tiny, with anything from 0.7ft to 2ft. The energy figures are pitiful, dropping to single digits at one point on Monday afternoon (9). We do get a glass-off on the Wednesday morning of the 12th, with zero wind and a glassy surface, but the swell is a measly 0.3ft. You'd be floating out there. Thursday morning the 13th gives us a very light offshore from the WSW at 3 mph and clean conditions, but again, it's only 0.3ft. That's just not ridable.
We limp through the rest of the second week. The swell tries to pick up a little around the 15th and 16th, hitting around 3ft from the SE, but the cross-onshore wind keeps it jumbled and messy. Another glassy moment appears on Monday morning the 17th, with zero wind and a 0.7ft ESE swell at a longer 9 second period. That longer period is nice for quality in theory, but at that size, there's just no push. The last week of the outlook (from the 19th to the 22nd) shows a bit more onshore wind and swell hovering around 2ft to 3ft from the ESE and NE. The energy finally gets back above 50, hitting 61 on Saturday the 22nd afternoon, but the wind is fresh and onshore. It's a windswell setup that's more suited for a kite or a foil than a standard surfboard.
Honestly, for a spot that’s fairly exposed, this is a poor run. There is no day in this 16-day window where the stars align to give a quality wave with clean winds. The water temp is sitting at 85°F, which is about normal for this time of year, so at least you can have a nice swim.
Hang in there, the forecasts can always change. As it stands though, leave the boards at home.
Rusty.
Short Range ForecastModerate rain (total 16mm), heaviest on Fri morning. Warm (max 29°C on Fri afternoon, min 28°C on Fri morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 30°C on Wed afternoon, min 27°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | |||||||||||||||
AM | 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 6 | E 6 | E 5 | ENE 9 | ENE 7 | ENE 8 | ENE 7 | ENE 7 | ESE 4 | SE 4 | ESE 4 | ESE 4 | ENE 9 | ENE 8 | SE 5 | NE 9 | SE 3 | SE 3 | NE 8 | SE 4 | SE 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 90 | 123 | 55 | 84 | 30 | 33 | 17 | 18 | 16 | 16 | 6 | 10 | 8 | 7 | 7 | 3 | 3 | 3 | 3 | 4 | 6 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | on | cross | glassy | on | cross | off | cross-on | cross |
High Tide | 4:25PM0.78m | 4:25AM0.75m | 5:35PM0.80m | 5:37AM0.78m | 6:40PM0.84m | 6:45AM0.83m | 7:37PM0.89m | 7:46AM0.88m | 8:29PM0.94m | 8:42AM0.92m | 9:16PM0.96m | 9:34AM0.95m | 10:01PM0.97m | ||||||||
Low Tide | 9:35AM-0.00m | 10:12PM0.23m | 10:42AM-0.03m | 11:18PM0.21m | 11:47AM-0.06m | 00:20AM0.15m | 12:46PM-0.10m | 1:17AM0.09m | 1:41PM-0.13m | 2:11AM0.02m | 2:33PM-0.13m | 3:01AM-0.03m | 3:23PM-0.11m | 3:49AM-0.06m | |||||||
 | |  | | |  |  |  | | | | | | | | | | | | | | |
 | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — |
 | — | 8:04 | — | — | 8:02 | — | — | 8:01 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 7:59 | — |
mm | 4 | 2 | 6 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 30 | 29 | 29 | 30 | 29 |
Feels °C | 30 | 30 | 29 | 31 | 31 | 30 | 31 | 30 | 30 | 31 | 31 | 31 | 32 | 31 | 31 | 34 | 33 | 31 | 32 | 33 | 31 |
Swell 1 Height (m) Direction Period (s) | ENE 6 | ESE 8 | ENE 10 | ENE 9 | ENE 7 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | E 7 | ESE 4 | ENE 9 | SSE 5 | SSE 5 | NE 8 | SSE 4 | NE 8 | NE 8 | SE 3 | E 7 | E 7 |
| kJ | 90 | 7 | 9 | 84 | 30 | 33 | 17 | 18 | 10 | 4 | 6 | 7 | 8 | 4 | 3 | 3 | 3 | 3 | 3 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | SE 8 | SE 8 | E 8 | NE 9 | SSE 5 | NE 9 | ENE 9 | ENE 9 | ENE 9 | SSE 5 | E 7 | ENE 9 | ENE 8 | E 6 | NE 9 | SE 7 | SE 7 | E 7 | NE 8 | NE 8 |
| kJ | 6 | 3 | 3 | 1 | 13 | 5 | 12 | 8 | 8 | 7 | 4 | 3 | 8 | 7 | 3 | 3 | 2 | 2 | 1 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | S 5 | — | — | — | E 8 | NE 9 | S 5 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 | — | E 7 | NE 8 | E 7 | E 8 |
| kJ | 1 | — | — | — | 1 | 13 | 2 | 1 | 1 | 1 | 3 | 1 | 3 | 1 | 1 | 1 | — | 1 | 3 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | SE 6 | E 6 | E 5 | SE 5 | SE 4 | ESE 4 | ESE 4 | SE 4 | ESE 4 | SE 4 | — | ESE 4 | ESE 4 | ESE 4 | SE 5 | — | SE 3 | SE 3 | — | SE 4 | SE 4 |
| kJ | 28 | 123 | 55 | 21 | 12 | 5 | 16 | 9 | 16 | 16 | — | 10 | 5 | 5 | 7 | — | 1 | 2 | — | 4 | 6 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1058 | 366 | 816 | 397 | 366 | 203 | 280 | 1389 | 203 | 327 | 1622 | 1240 | 838 | 1551 | 773 | 388 | 867 | 312 | 867 | 392 | 715 |
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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