Weather alerts in New Jersey, May 2026

54 weather alerts in May 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in May 2026. Tap one for its archive.

Alerts: 54
Warnings: 27
Watches: 1
Advisories: 20
Busiest day: May 20, 202626 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

Issued	Product	Office	Counties	Lasted
May 2, 12:28 PM EDT	Frost Advisory	OKX	Passaic	18 hr
May 2, 12:42 PM EDT	Frost Advisory	PHI	Hunterdon, Morris, Sussex, Warren	18 hr
May 3, 1:22 AM EDT	Small Craft Advisory	PHI		14 hr
May 3, 3:23 PM EDT	Small Craft Advisory	PHI		3 days
May 8, 2:06 AM EDT	Small Craft Advisory	PHI		42 hr
May 10, 3:22 AM EDT	Dense Fog Advisory	PHI	Burlington, Camden, Hunterdon, Mercer, Middlesex, Monmouth and 5 more	7 hr
May 10, 12:04 PM EDT	Marine Dense Fog Advisory	PHI		3 hr
May 12, 1:28 PM EDT	Small Craft Advisory	PHI		36 hr
May 13, 10:16 PM EDT	Special Marine Warning	PHI		59 min
May 15, 1:59 PM EDT	Small Craft Advisory	PHI		44 hr
May 16, 4:58 AM EDT	Rip Current Statement	PHI	Atlantic, Cape May, Monmouth, Ocean	15 hr
May 18, 2:52 AM EDT	Heat Advisory	PHI	Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 5 more	64 hr
May 18, 2:40 PM EDT	Small Craft Advisory	PHI		24 hr
May 18, 2:49 PM EDT	Heat Advisory	OKX	Bergen, Essex, Hudson, Passaic, Union	53 hr
May 19, 5:11 PM EDT	Special Weather Statement	OKX	Passaic	49 min
May 20, 1:52 PM EDT	Mesoscale Discussion	SPC	Atlantic, Bergen, Burlington, Camden, Cumberland, Essex and 14 more	53 min
May 20, 2:10 PM EDT	Severe Thunderstorm Watch	SPC	Atlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 15 more	7 hr
May 20, 2:25 PM EDT	Small Craft Advisory	PHI		3 days
May 20, 4:43 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	47 min
May 20, 5:01 PM EDT	Special Marine Warning	PHI		86 min
May 20, 5:10 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester	50 min
May 20, 5:15 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Hunterdon, Mercer, Somerset	45 min
May 20, 5:24 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Middlesex, Morris, Somerset, Warren	51 min
May 20, 5:29 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester, Salem	46 min
May 20, 5:29 PM EDT	Mesoscale Discussion	SPC	Atlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 13 more	61 min
May 20, 5:35 PM EDT	Severe Thunderstorm Warning	PHI	Salem	40 min
May 20, 5:40 PM EDT	Flash Flood Warning	PHI	Burlington, Camden, Gloucester	3 hr
May 20, 5:41 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Mercer, Monmouth, Ocean	49 min
May 20, 5:52 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Hunterdon, Mercer, Middlesex, Monmouth, Ocean and 1 more	38 min
May 20, 6:01 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester	44 min
May 20, 6:04 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Hunterdon, Middlesex, Monmouth, Morris, Somerset	56 min
May 20, 6:07 PM EDT	Severe Thunderstorm Warning	OKX	Essex, Hudson, Union	53 min
May 20, 6:07 PM EDT	Special Marine Warning	PHI		53 min
May 20, 6:09 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Gloucester, Ocean	46 min
May 20, 6:12 PM EDT	Severe Thunderstorm Warning	PHI	Ocean	33 min
May 20, 6:17 PM EDT	Special Marine Warning	PHI		118 min
May 20, 6:23 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Mercer, Middlesex, Monmouth, Ocean, Somerset	56 min
May 20, 6:51 PM EDT	Severe Thunderstorm Warning	OKX	Hudson, Union	39 min
May 20, 6:57 PM EDT	Areal Flood Advisory	OKX	Hudson, Union	3 hr
May 20, 6:58 PM EDT	Severe Thunderstorm Warning	PHI	Ocean	32 min
May 20, 7:30 PM EDT	Special Marine Warning	PHI		90 min
May 21, 2:28 PM EDT	Small Craft Advisory	PHI		4 days
May 21, 3:51 PM EDT	Rip Current Statement	PHI	Atlantic, Cape May, Monmouth, Ocean	4 days
May 22, 2:36 PM EDT	Gale Warning	PHI		34 hr
May 22, 3:54 PM EDT	High Surf Advisory	PHI	Atlantic, Cape May, Monmouth, Ocean	50 hr
May 24, 7:47 AM EDT	Marine Dense Fog Advisory	PHI		46 hr
May 26, 3:34 AM EDT	Dense Fog Advisory	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	4 hr
May 27, 11:24 AM EDT	Special Marine Warning	PHI		96 min
May 27, 11:58 AM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cape May, Cumberland	62 min
May 27, 12:20 PM EDT	Special Marine Warning	PHI		115 min
May 27, 1:00 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cape May	15 min
May 28, 2:05 AM EDT	Small Craft Advisory	PHI		15 hr
May 29, 1:59 AM EDT	Small Craft Advisory	PHI		64 hr
May 31, 4:06 AM EDT	Rip Current Statement	PHI	Ocean	16 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Severe Thunderstorm Warning	18
Severe Thunderstorm Watch	1
Mesoscale Discussion	2
Special Weather Statement	1
Flooding
Flash Flood Warning	1
Areal Flood Advisory	1
Heat
Heat Advisory	2
Cold
Frost Advisory	2
Fog and smoke
Dense Fog Advisory	2
Coast and beach
High Surf Advisory	1
Rip Current Statement	3
Marine
Gale Warning	1
Special Marine Warning	7
Marine Dense Fog Advisory	2
Small Craft Advisory	10

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force now Tornadoes on record The radar archive 2025

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.