Surf Forecasts:
Anna Maria Key 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 Key this week:
The most powerful waves expected at Anna Maria Key in the next 16 days are 0.6m 4s and forecast to arrive on Tuesday (Aug 18) at 11PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 3s period and expected on Saturday (Aug 22) at 8PM.
| 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 Key over the next 16 days.
The Lowdown
Hey, Rusty here. I’ve pored over the charts for Anna Maria Key for the next couple of weeks, and I hate to say it, but there’s zilch. It’s a total dead period. For a beach/pier spot like this, a full-on flat spell isn't unusual—the Gulf can go quiet for a stretch. There are no 'standout' days because there’s no standable surf. The full 16-day window is a no-go. Don’t sweat it; these runs don’t usually last forever, but you’re not missing anything now.
Let’s break it down. From Tuesday, August 18th right through Sunday, August 30th, it’s all the same: tiny, weak bumps of 0.3 ft to 2 ft, with periods mostly under 6 seconds. That’s just wind slop. The wind is either onshore or cross-onshore, so even that pathetic little bump is chopped up. The wave energy is pitiful, with combined readings as low as 1 or 2, and the highest in that first full week is just 14 (on the afternoon of the 24th). That’s barely a ripple.
Later on, into the end of August and the start of September, there are a few cleaner moments. On the morning of Saturday, August 29th, there’s a 0.3 ft NW bump with a light, cross-offshore NNE breeze. The report says it’s "clean." It’s also 0.3 ft. Unrideable. The morning of Sunday, August 30th, shows 1 ft from the NW with a light NNE wind, also "clean." Still nothing doing. Monday, August 31st, sees the biggest swell of the whole run at 2.6 ft with a light ESE cross-offshore breeze making it "clean" in the morning. The combined energy hits 19, which finally registers a pulse. But with a 4-second period, it’s just disorganized mush. It still rates as "poor surf conditions" on the chart.
There is no standout here. Over the whole 16 days, you might find a knee-high slosh on a longboard at high tide, but there’s no actual surf to recommend. The data is clear: zero good options.
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 29°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 | on | on | on | on | on | on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | 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 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 27 | 28 |
Feels °C | 31 | 32 | 30 | 31 | 33 | 32 | 31 | 32 | 32 | 31 | 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) | 562 | 245 | 242 | 245 | 284 | 582 | 668 | 931 | 1691 | 1469 | 668 | 323 | 323 | 795 | 223 | 227 | 227 | 249 | 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 Key Surf forecast
The above surf forecast table for Anna Maria Key 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 Key can be found by selecting the local surf guide option on the grey menu. Our Anna Maria Key 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 Key) 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 Key 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 Key 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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