Surf Forecasts:
Flagpoles surf forecast from 18 Aug 2026:
- Most powerful swell: Tuesday 18 Aug, 5PM (local time) - 1ft (0.3m), 10s period, ESE swell with 20 kJ wave energy.
Best Forecast Surf Conditions for Flagpoles this week:
The most powerful waves expected at Flagpoles in the next 16 days are 0.3m 10s and forecast to arrive on Tuesday (Aug 18) at 5PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Tuesday (Aug 18) at 2AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5PM (Tue 18th Aug) | 1ft (0.3m) 10s |
Table - best surf conditions forecast for Flagpoles over the next 16 days.
The Lowdown
Hey, Rusty here. Let me level with you – Flagpoles is in a flat spell, and it’s gonna last a while.
Starting now through Tuesday 18 August and the rest of the week, we’ve got tiny, weak waves about 0.7ft to 1.0ft out of the ESE. Combined wave energy is real low, between 7 and 31 (weak). Wind is all over – mostly cross or cross-on – so the surface is messy. A couple glassy mornings pop up, but with swell that small, you’re just staring at a flat ocean. Poor surf conditions across the board.
This drags on until Sunday 23 August, when we see a slight bump to 2ft from the ESE and SE, but period drops to 5 seconds – that’s short-period wind chop. Combined energy only gets to 21 to 24 (weak). Morning has a bit of cross-off wind, but it’s still poor. Afternoon turns onshore and choppy. Not worth paddling out.
Another small lift Monday 24 August into Tuesday 25 August, but it’s 1ft to 2ft of short-period junk from the SE. Combined energy stays below 16 (weak). Winds are cross to cross-on, so expect bump and chop. Poor surf all around.
Now, Wednesday 26 August morning – this is the one. We’ve got 0.7ft from the ESE, but the period shoots up to 16 seconds – that’s a very long groundswell. Combined energy hits 60 (moderate). The wind is glassy, so conditions are clean. This is the standout of the whole 16 days. But keep in mind, that long period groundswell at Flagpoles, a beach and reef spot, will break pretty straight. You’ll get long lulls between sets, but when they come, there’s some push. Still tiny, so it’s more a novelty session, but it’s the best we’ll see. Crowds are sometimes, so you might see a few others.
After that, it’s back to flatness. From Thursday 27 August through Wednesday 2 September, it’s 0.7ft to 1.0ft ENE/ESE wind swell, period dropping from 12 seconds to 8 seconds, combined energy mostly under 60 (weak to low-moderate). Winds are cross-on or onshore, so the surface is choppy. A couple glassy mornings on 27 August and 29 August, but no real swell – just shiny flat water. Poor surf conditions all the way.
So the one real highlight is Wednesday 26 August morning at Flagpoles: tiny but clean, glassy, with a very long-period groundswell giving some energy. Everything else is a no-go. Water temp is about normal for this time of year.
Rusty, out.
Short Range ForecastModerate rain (total 15mm), heaviest on Thu afternoon. Warm (max 33°C on Tue afternoon, min 27°C on Thu afternoon). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 31mm), heaviest during Thu night. Warm (max 32°C on Fri afternoon, min 25°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||
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) | ESE 8 | ESE 11 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | E 8 | E 8 | S 4 | ENE 8 | ENE 8 | S 4 | ENE 9 | ENE 8 | SE 4 | ESE 5 | SE 5 | SSE 4 |
Wave Graph  | |||||||||||||||||||
 kJ | 7 | 11 | 20 | 9 | 8 | 8 | 7 | 5 | 5 | 11 | 6 | 6 | 9 | 8 | 7 | 19 | 14 | 14 | 13 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | cross-off | glassy | cross-on | cross | glassy | cross | cross-off | cross-off | cross | cross-off | cross | cross-on | cross | cross-off | on | cross |
High Tide | 00:27AM0.82m | 1:10PM0.88m | 1:12AM0.77m | 2:01PM0.85m | 2:00AM0.72m | 2:58PM0.82m | 2:54AM0.70m | 3:58PM0.81m | 3:55AM0.69m | 4:56PM0.82m | 4:54AM0.70m | 5:48PM0.84m | |||||||
Low Tide | 6:49AM0.05m | 7:27PM0.19m | 7:39AM0.09m | 8:22PM0.23m | 8:30AM0.12m | 9:16PM0.26m | 9:23AM0.13m | 10:10PM0.27m | 10:16AM0.14m | 11:03PM0.27m | 11:09AM0.13m | 11:55PM0.25m | |||||||
 |  | | | |  |  | |  | | | |  | | | | | | | |
 | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | 7:54 | — | 7:53 | — | — | 7:52 | — | — | 7:52 | — | — | 7:51 | — | — | 7:50 | — | — | 7:49 | — |
mm | — | — | — | — | — | — | 1 | — | 14 | 13 | — | 6 | 5 | — | — | 7 | — | — | 6 |
Temp °C | 31 | 31 | 33 | 31 | 31 | 31 | 31 | 32 | 31 | 29 | 30 | 32 | 29 | 30 | 31 | 27 | 29 | 30 | 29 |
Feels °C | 33 | 33 | 35 | 34 | 35 | 33 | 33 | 37 | 33 | 32 | 33 | 33 | 30 | 32 | 31 | 28 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | S 4 | SSE 3 | ESE 10 | S 3 | N 4 | ESE 9 | ESE 9 | E 8 | E 8 | NE 8 | SSE 4 | ENE 8 | ENE 9 | S 3 | ENE 8 | ENE 8 | ESE 5 | ENE 8 | ENE 8 |
| kJ | 7 | 1 | 20 | 4 | 1 | 8 | 7 | 5 | 5 | 3 | 4 | 6 | 8 | 1 | 7 | 7 | 14 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | ESE 11 | ENE 10 | ESE 10 | ESE 9 | NE 6 | NE 6 | NE 8 | NE 8 | E 8 | ENE 8 | E 8 | E 8 | ENE 9 | E 8 | E 8 | ENE 8 | E 8 | E 7 |
| kJ | 7 | 11 | 11 | 9 | 8 | 1 | 1 | 3 | 3 | 1 | 6 | 1 | 1 | 8 | 1 | 1 | 6 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | NE 9 | ESE 8 | — | NE 10 | ENE 6 | ENE 9 | NE 9 | NE 6 | NE 6 | NE 5 | E 8 | E 7 | — | — | E 13 | E 13 | E 8 | E 12 | E 12 |
| kJ | 3 | 6 | — | 4 | 4 | 8 | 3 | 1 | 1 | 1 | 1 | 1 | — | — | 3 | 3 | 1 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | S 3 | — | — | SSW 3 | NNW 4 | — | SSE 3 | SSE 3 | SSE 3 | S 4 | S 4 | SE 3 | S 4 | — | SE 3 | SE 4 | — | SE 5 | SSE 4 |
| kJ | 6 | — | — | 2 | 3 | — | 2 | 1 | 4 | 11 | 6 | 3 | 9 | — | 2 | 19 | — | 14 | 13 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 288 | 265 | 231 | 265 | 304 | 304 | 384 | 831 | 1724 | 1216 | 384 | 407 | 407 | 799 | 160 | 140 | 140 | 283 | 139 |
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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