Surf Forecasts:
Anna Maria Island surf forecast from 18 Aug 2026:
- Most powerful swell: Tuesday 18 Aug, 11PM (local time) - 2ft (0.6m), 4s period, WNW swell with 11 kJ wave energy.
Best Forecast Surf Conditions for Anna Maria Island this week:
The most powerful waves expected at Anna Maria Island in the next 16 days are 0.6m 4s and forecast to arrive on Tuesday (Aug 18) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 11PM (Tue 18th Aug) | 2ft (0.6m) 4s |
Table - best surf conditions forecast for Anna Maria Island over the next 16 days.
The Lowdown
Alright, folks, Rusty here. Let’s be straight with you – this 16-day window for Anna Maria Island is a tough one to call. We’re looking at a long stretch of mostly flat, weak, and messy conditions. The first real action doesn’t even show up until late in the run, so don’t get your hopes up for the next week or so.
We’ve got a run of days with tiny, gutless swell and persistent onshore or cross-onshore winds. From Tuesday the 18th right through to the end of August, it’s pretty grim. The swell heights are barely scratching 2 ft, with periods so short (2 to 5 seconds) it’s like trying to ride a washing machine. The combined energy levels are mostly pitiful – we’re talking single-digit values like 4 or 9 – and with steady breezes from the west and northwest creating chop, it’s just not worth paddling out. The water temp? About average for this time of year, nothing unusual to report there.
Now, if you’ve got patience, there’s a flicker of hope right at the end. The best (and really, the only) standout window is around the very start of September. Check out Monday morning, August 31st, at Anna Maria Island. We’re looking at light, offshore winds from the ESE, which is a big positive for clean faces. The swell is still tiny – only 2 ft from the WNW – but that offshore breeze will clean things right up. The combined energy climbs to a still-modest 12, but with a period of 4 seconds, it’s gonna be weak and fat. It’s a beginner-friendly setup, but don’t expect any punch. Crowds are possible here, but on a day like this, the lineup should be pretty quiet.
Then, Tuesday morning, September 1st, offers another moment. Light offshore winds from the south, clean conditions again, with a bit more period (6 seconds) helping the 2 ft swell from the west shape up a little better. The energy is 16 – still low, but the best we’ve seen in this entire forecast. This is your most promising morning for a longboard session, but it’s still a long way off, so keep an eye on the forecast as it gets closer.
Honestly, for most of this outlook, the wind and swell combo is way more interesting for kite surfing than paddle surfing. It’s a poor run for the waves, but as we know around here, it can’t stay flat forever.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Wed afternoon. Warm (max 30°C on Wed morning, min 29°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 15mm), heaviest on Sun afternoon. Warm (max 30°C on Thu night, min 27°C on Sat afternoon). 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) | WNW 3 | WNW 3 | W 4 | WNW 4 | WNW 5 | W 3 | WNW 5 | WNW 5 | W 5 | W 5 | W 5 | WNW 5 | W 4 | SW 2 | SW 3 | W 4 | WNW 4 | W 3 | WNW 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 2 | 4 | 9 | 6 | 7 | 6 | 9 | 4 | 4 | 2 | 2 | 4 | 2 | 1 | 2 | 3 | 3 | 1 | 7 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | on | cross | cross | cross | cross-off |
High Tide | 3:40AM0.70m | 5:27PM0.47m | 4:11AM0.72m | 7:25PM0.42m | 4:50AM0.73m | 5:44AM0.72m | 6:59AM0.71m | 8:24AM0.73m | 1:07AM0.50m | ||||||||||
Low Tide | 9:19PM0.33m | 10:51AM0.16m | 9:29PM0.38m | 12:03PM0.16m | 9:05PM0.41m | 1:30PM0.15m | 3:01PM0.12m | 4:12PM0.09m | 5:02PM0.06m | 2:50AM0.49m | |||||||||
 | | |  | |  | |  | |  | | | | | | | |  | | |
 | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — |
 | 8:07 | — | 8:06 | — | — | 8:05 | — | — | 8:04 | — | — | 8:02 | — | — | 8:01 | — | — | 8:00 | — |
mm | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | 3 | — | 4 | 8 | — |
Temp °C | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 29 | 30 | 30 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 27 | 28 |
Feels °C | 31 | 32 | 30 | 31 | 32 | 32 | 31 | 32 | 32 | 33 | 33 | 32 | 31 | 30 | 28 | 30 | 29 | 26 | 31 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | WNW 5 | WNW 5 | — | W 5 | W 5 | WNW 5 | W 4 | — | NW 4 | — | WNW 4 | — | WNW 5 |
| kJ | — | — | — | — | — | — | 9 | 4 | — | 2 | 2 | 4 | 2 | — | 1 | — | 3 | — | 7 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 3 | WNW 3 | W 4 | WNW 4 | WNW 5 | W 3 | — | — | W 5 | — | — | W 5 | — | SW 2 | SW 3 | W 4 | W 4 | W 3 | W 5 |
| kJ | 2 | 4 | 9 | 6 | 7 | 6 | — | — | 4 | — | — | 4 | — | 1 | 2 | 3 | 3 | 1 | 4 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 563 | 244 | 242 | 244 | 283 | 583 | 668 | 932 | 1693 | 1471 | 668 | 322 | 322 | 794 | 223 | 227 | 227 | 248 | 228 |
Best forecast wave conditions in Gulf Coast, Florida | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Information about the Anna Maria Island Surf forecast
The above surf forecast table for Anna Maria Island provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Anna Maria Island can be found by selecting the local surf guide option on the grey menu. Our Anna Maria Island 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 (Anna Maria Island) 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 Anna Maria Island 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.
Anna Maria Island is 17 km (11 miles) from Bradenton. If you plan a vacation in Gulf Coast, Florida, look for hotels and other accommodation in Bradenton. Bradenton has rooms for a wide range of budgets as well as car hire and transport links.
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