Surf Forecasts:
Flagpoles surf forecast from 11 Sep 2026:
- Most powerful swell: Thursday 17 Sep, 2AM (local time) - 5.5ft (1.7m), 8s period, NE swell with 335 kJ wave energy.
Best Forecast Surf Conditions for Flagpoles this week:
The most powerful waves expected at Flagpoles in the next 16 days are 1.7m 8s and forecast to arrive on Thursday (Sep 17) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 5s period and expected on Friday (Sep 18) at 8AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2AM (Thu 17th Sep) | 5.5ft (1.7m) 8s |
Table - best surf conditions forecast for Flagpoles over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s get into it.
Alright, listen, I’m gonna level with you. We are looking at a real dry spell here at Flagpoles. For the first week and more, the conditions are straight up ugly. We’ve got a long stretch of cross-onshore winds, a bit of stormy weather, and the swell is tiny. Honestly, for the first week or so, you’re better off doing something else.
The first half of this 16-day run is a write-off. We are talking nearly two weeks of this before we see anything that even gets close to worth paddling out for.
Let’s roll through it. Friday the 11th of September kicks things off with a tiny 1ft NE windswell, period of just 6 seconds, and a cross-onshore breeze. The combined wave energy is barely there at 39, and we have “risk tstorm” in the forecast. Total dud. That runs right through the weekend. Saturday the 12th is similar, maybe a bit smaller. Sunday the 13th drops to a tiny 0.7ft. This grim pattern holds all the way through Thursday the 17th, with swell staying below 2ft and mostly crummy winds.
We get a bit of a bump on Wednesday the 16th – the swell tries to push up to 4ft from the NNE with 162 combined energy in the afternoon, but it’s cross-onshore and choppy. It’s still a no-go.
The good news? We finally see some life towards the very end. Monday the 21st of September starts the morning with glassy conditions. That’s right, dead calm. Swell is only 1.0ft, but it is glassy. The next morning, Tuesday the 22nd, also starts glassy with a bit more size – 2ft from the NNE. Still small, but clean.
But the real standout, the only one worth marking on your calendar, is Wednesday the 23rd of September. Morning starts clear with a light cross-shore breeze, and we get a solid 5ft swell from the NNE, period stretching to 9 seconds. The combined energy jumps to 317 – that’s moderate energy, and it feels like a proper pulse. By the afternoon, it pushes to 5ft (418 energy). This is the most interesting day of the whole outlook. The swell direction from the NNE is a good match for Flagpoles, which likes the NE. The period is getting up there, meaning it’ll have some punch. It’s a beach and reef set-up, so that longer period should wrap in okay. For a spot that doesn’t always see this, it’s a notable event. The water temp is running a touch warmer than normal at 87°, which is nice for that late in September.
Just a heads up, the 5ft afternoon is getting towards the bigger side for beginners – it’ll be more of an intermediate-to-expert session as it peaks.
After that, Thursday the 24th stays up around 5ft but the wind turns cross-onshore and picks up, taking the shine off. It hangs in there size-wise through the 25th and 26th, but the wind stays messy. So, you’ve got one real window.
To sum it up: a very long flat spell, then a promising, clean but short-lived pulse around the 23rd. If you can wait for it, that Wednesday morning could be the one.
- Rusty
Short Range ForecastModerate rain (total 17mm), heaviest on Sat night. Warm (max 30°C on Fri morning, min 28°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 13mm), heaviest on Tue afternoon. Warm (max 30°C on Mon afternoon, min 27°C on Tue night). Winds increasing (light winds from the SSE on Mon morning, fresh winds from the NE by Wed morning). | ||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | |||||||||||||||
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) | NE 6 | NE 6 | ESE 8 | ESE 8 | ESE 8 | ESE 4 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ENE 9 | ENE 8 | ESE 3 | ENE 9 | ENE 4 | NE 6 | NNE 8 | NE 8 | NE 8 | NE 8 | NE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 14 | 10 | 6 | 6 | 6 | 10 | 7 | 8 | 8 | 7 | 7 | 7 | 4 | 9 | 24 | 181 | 306 | 335 | 268 | 250 | 167 |
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 | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | cross-on | on | cross-on | cross-on | cross-on | on | on | cross-on |
High Tide | 8:43AM1.06m | 9:05PM1.04m | 9:30AM1.07m | 9:46PM1.00m | 10:15AM1.06m | 10:27PM0.95m | 10:59AM1.04m | 11:07PM0.90m | 11:43AM1.00m | 11:48PM0.85m | 12:29PM0.95m | 00:32AM0.81m | 1:19PM0.91m | 1:21AM0.78m | |||||||
Low Tide | 2:52PM0.01m | 3:14AM0.01m | 3:37PM0.05m | 3:54AM0.02m | 4:22PM0.10m | 4:34AM0.06m | 5:07PM0.17m | 5:16AM0.10m | 5:55PM0.23m | 6:02AM0.16m | 6:47PM0.29m | 6:53AM0.20m | 7:42PM0.33m | ||||||||
 |  |  |  | | | | | | | | | | |  | | |  | | | | |
 | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — |
 | — | 7:29 | — | — | 7:28 | — | — | 7:27 | — | — | 7:25 | — | — | 7:23 | — | — | 7:22 | — | — | 7:22 | — |
mm | — | — | 2 | 1 | 2 | 5 | — | 2 | 5 | — | 2 | 1 | 1 | 2 | 3 | 4 | — | — | 3 | 6 | 1 |
Temp °C | 30 | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 29 | 29 | 30 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 29 |
Feels °C | 33 | 32 | 32 | 33 | 32 | 32 | 33 | 32 | 31 | 32 | 33 | 32 | 32 | 29 | 30 | 28 | 25 | 25 | 27 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | NE 6 | NE 6 | ENE 6 | ENE 6 | SSE 4 | ESE 4 | ESE 5 | ESE 9 | ESE 9 | SSE 5 | SSE 4 | ENE 8 | E 4 | SSE 4 | ENE 9 | E 8 | E 8 | NE 8 | NE 8 | NE 8 | NE 8 |
| kJ | 14 | 10 | 4 | 4 | 1 | 10 | 4 | 8 | 7 | 2 | 1 | 7 | 2 | 1 | 9 | 1 | 1 | 335 | 268 | 250 | 167 |
Swell 2 Height (m) Direction Period (s) | NE 8 | NE 8 | NNE 7 | NE 9 | ESE 8 | S 4 | ESE 9 | NE 9 | ENE 9 | ESE 8 | ENE 9 | ESE 8 | SSE 4 | ENE 9 | E 8 | — | — | — | E 9 | E 9 | E 9 |
| kJ | 11 | 10 | 5 | 3 | 6 | 3 | 7 | 3 | 8 | 7 | 7 | 7 | 3 | 9 | 1 | — | — | — | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 8 | ESE 8 | NE 9 | ESE 8 | S 4 | — | — | ESE 3 | ESE 8 | — | E 8 | E 8 | — | — | — | — | E 13 | E 13 | E 13 |
| kJ | 5 | 5 | 6 | 6 | 3 | 7 | 1 | — | — | 1 | 7 | — | 1 | 1 | — | — | — | — | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | SE 4 | SE 4 | SE 3 | SE 4 | E 4 | — | — | SE 4 | SE 4 | — | ESE 3 | ESE 3 | ESE 3 | ENE 3 | ENE 4 | NE 6 | NNE 8 | ESE 4 | SE 4 | SE 4 | SE 4 |
| kJ | 9 | 6 | 4 | 5 | 5 | — | — | 3 | 4 | — | 1 | 1 | 4 | 3 | 24 | 181 | 306 | 7 | 8 | 9 | 18 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 354 | 354 | 354 | 954 | 1595 | 139 | 265 | 1106 | 139 | 354 | 892 | 424 | 956 | 744 | 1216 | 956 | 1216 | 892 | 954 | 1216 | 744 |
Best forecast wave conditions in South Florida | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Flagpoles Surf forecast
The above surf forecast table for Flagpoles provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Flagpoles can be found by selecting the local surf guide option on the grey menu. Our Flagpoles 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 (Flagpoles) 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 Flagpoles 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.
Flagpoles is 3 km (2 miles) from West Palm Beach. If you plan a vacation in South Florida, look for hotels and other accommodation in West Palm Beach. West Palm Beach has rooms for a wide range of budgets as well as car hire and transport links.
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