SwathIQ / Hail map / Florida / Martin County

Martin County, Florida Hail Map & History

The most recent reported hail day was 2025-05-23 -- 1 year ago, with nothing reported since. Martin County is hit in most years. The largest stone on record here is 2 inches, a hen egg and twice the National Weather Service's 1 inch severe criterion, reported on 2025-05-23 near Indiantown.

14
hail days since 2010
1
days with 2″+ hail
0
hail days this year
2.00″
largest stone on record

Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Florida. Radar-indicated, not a guarantee of damage.

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The last hail here fell on 2025-05-23, around Indiantown. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Martin County addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.

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How often it hails in Martin County

NOAA's Storm Prediction Center has logged 14 separate hail days here since 2010 -- 0.8 a year over 17 years of record. Those days carry 37 separate reports between them, two or three on a typical one. 4 of those 17 years produced none at all. The busiest single year was 2015, with 2 hail days. The last five years track the long-run rate, with 4 days since 2022.

Most hail here stays under 2 inches: only 1 of the 14 days on record passed it, 7%, the last on 2025-05-23. Those big days do not follow the county's usual calendar: most of them fall in May, not April. 6 of the 14 days reached golf-ball size, 1.75 inches or bigger.

Across the whole of Florida, see the Florida hail map and history.

Hardest-hit places in Martin County

Reports cluster nearest Jensen Beach -- 5 of the county's 14 hail days -- then Palm City (4), Hobe Sound (3) and Indiantown (2).

PlaceHail days since 2010Largest stone
5 Sw Jensen Beach31.00″
Indiantown12.00″
1 S Hobe Sound11.75″
11 Nnw Indiantown11.75″
2 Ssw Jupiter Island11.75″

When it hails in Martin County

The season runs April through May: 12 of the 14 hail days on record fall in those 2 months (86%). April is the single busiest month, with 8 of them (57%). Hail has also been reported in February and June, outside that window. Reports span 4 of the 12 calendar months; the other 8 have never produced one.

MonthHail days
February1
April8
May4
June1

Recent Martin County hail days

That day put 1 report on the map, the biggest 2 inches near Indiantown. No hail day has been reported here yet this year.

DateMax hailReports
2025-05-232.00″1
2024-05-191.75″3
2023-04-161.00″1
2022-04-181.25″1
2021-04-111.75″3
2020-04-201.00″3
2018-04-241.75″2
2016-04-151.50″1

How to read the Martin County map

The colored swath is NOAA's MRMS radar estimate of the largest hail per ~1 km cell; the dots are SPC ground reports. Yellow is about an inch, red 1.5 to 2″, purple 2″ and up (hail size vs roof damage). On this county's worst day the reports reached 2 inches, which is the purple band. Look up a street address with the hail history by address tool.

Nearby counties

The nearest counties with a page of their own: St. Lucie County (15 hail days), Palm Beach County (29) and Broward County (25). Every one of them takes more hail than Martin County.

St. Lucie County · Palm Beach County · Broward County

Back to the Florida hail map or the U.S. hail map.

FAQ

How often does it hail in Martin County, Florida?
NOAA's Storm Prediction Center has logged 14 separate hail days here since 2010 -- 0.8 a year over 17 years of record.
When is hail season in Martin County?
The season runs April through May: 12 of the 14 hail days on record fall in those 2 months (86%).
How big does hail get in Martin County?
The largest stone on record here is 2 inches, a hen egg and twice the National Weather Service's 1 inch severe criterion, reported on 2025-05-23 near Indiantown.
When was the last hail in Martin County?
The most recent reported hail day was 2025-05-23 -- 1 year ago, with nothing reported since.
Is the Martin County hail map free?
Yes, no login. A free account adds door-knock address lists and CRM exports.

Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Martin County, Florida only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.