40th Street Surf Forecast, Florida - East Coast

Florida - East Coast

Right nowVery Poor
0-1ft

Pretty quiet out there — 0-1ft and mostly very poor with 11mph from the SE.

Swell
0.7ft
5s · NNE
Wind
11–12mph
SE · Onshore
Water
89°F
Boardshorts / rashguard
Tide
High
rising · high 2:46 PM
Surf: nearshore model · 1 PM localWind: model · 1 PM localTide: forecast

Conditions stay similar this week — check the hourly forecast at 40th Street for the cleanest windows.

Registered at the buoy
Wind wave0.6ft @ 2s SE
Wind wave0.4ft @ 2s ENE
Wind wave0.3ft @ 4s NE

40th Street 5-Day Forecast Summary

Here's how the next 5 days are shaping up at 40th Street, Florida - East Coast. Each day is rated based on breaking wave height, swell period, and wind — updated hourly from the latest NOAA GFS run.

Thu, Sep 3: 01ft, 9s period, rated Very Poor. A slow one — 0-1ft waves and very poor conditions with 11mph from the SE.

Fri, Sep 4: 01ft, 4s period, rated Very Poor. Pretty quiet out there — 0-1ft and mostly very poor with 8mph from the SSE.

Sat, Sep 5: 01ft, 4s period, rated Very Poor. Slim pickings today — 0-1ft and very poor with moderate SE wind around 9mph.

Sun, Sep 6: 01ft, 7s period, rated Very Poor. Not the most exciting day — 0-1ft and very poor conditions with light SSE winds. Afternoon breeze fills in to 13mph.

Mon, Sep 7: 01ft, 8s period, rated Very Poor. A slow one — 0-1ft waves and very poor conditions with gentle S breeze. Winds do pick up a bit by the afternoon to 10mph.

Daily Forecast

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Hourly Forecast

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40th Street Surf Spot Guide

Break
Beach
Bottom
Sand
Level
Beginner
Crowd
Light
Best Swell
E
Best Wind
W
Season
Fall

40th Street in Miami Beach is a fairly exposed beach break that offers left and right hand waves and can work at any time of year. Despite being in the heart of Miami Beach, it is rarely crowded — most people on this stretch are sunbathing, not surfing. More exposed than nearby spots, making it a good option for uncrowded peaks when NE groundswells are running.

Strong currentsRip currentsCrowdsJellyfishBoat trafficShallow sandbars

Wave heights shown are breaking wave heights — the actual rideable wave size at this spot.

40th Street Surf Forecast FAQ

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What is the current surf forecast for 40th Street?

The current wave height at 40th Street is 0-1ft with a 5.4s swell period. Wind is SE at 11mph. Conditions are rated Very Poor. The forecast updates hourly so you can plan your session around the cleanest windows.

What is the breaking wave height at 40th Street?

The current breaking wave height at 40th Street is 0-1ft, produced by a 0.7ft NNE wind swell swell at 5s. Breaking wave height is the actual rideable wave size at the shore — calculated from offshore swell data using this spot's coastal bathymetry — not the raw buoy reading.

When is the best time to surf 40th Street?

Based on the current 5-day forecast, the best window to surf 40th Street is Tuesday from 6 AM to 9 AM with 1ft waves, a 2.5s swell period, and conditions rated Very Poor. Check the hourly forecast for updates as conditions can shift.

What swell and wind direction work best at 40th Street?

40th Street works best with a E swell and W winds. Offshore winds groom the face of the wave, while onshore winds turn it sloppy. Cross-offshore conditions usually produce the cleanest shape.

What tide is best at 40th Street?

Tide plays a big role at 40th Street. Mid tide works for most beach breaks, while reef and point breaks often prefer higher or lower stages. Use the tide chart above to line up your session with the swell peak.

What kind of wave is 40th Street and who is it for?

40th Street is a beach with a sand bottom, suited to beginner surfers. 40th Street in Miami Beach is a fairly exposed beach break that offers left and right hand waves and can work at any time of year. Despite being in the heart of Miami Beach, it is rarely crowded — most people on this stretch are sunbathing, not surfing. More exposed than nearby spots, making it a good option for uncrowded peaks when NE groundswells are running.

When is the best season to surf 40th Street?

The prime season at 40th Street is fall, when swell direction, wind patterns, and water temps line up most consistently. Outside the peak season you can still score, but you'll need to watch the forecast closely for the right windows.

Are there any hazards to know about at 40th Street?

Common hazards at 40th Street include strong currents, rip currents, crowds, jellyfish, boat traffic, shallow sandbars. Always check conditions before paddling out, respect local etiquette, and never surf alone if you're unfamiliar with the break.

How accurate is the 40th Street surf forecast?

Our 40th Street forecast uses NOAA GFS and other weather models combined with spot-specific bathymetry to calculate breaking wave heights. Short-range (1-3 day) forecasts are most reliable; extended forecasts show general trends. We also verify our offshore swell predictions against NOAA buoy measurements daily — see our accuracy page for those swell-verification metrics (buoys measure open-water swell, not breaking surf size).