Alert archive / Massachusetts / Gale Warnings in 2023
Gale Warning 25, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this gale warning at May 1, 2023, 2:57 AM EDT. It took effect at May 1, 2023, 5:00 AM EDT. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 1, 2023, 2:57 AM EDT (06:57 UTC)
- In effect from
- May 1, 2023, 5:00 AM EDT
- Expired
- May 1, 2023, 11:56 AM EDT
- In force
- 7 hr
- Issued by
- NWS Boston/Norton, MA
The text
As transmitted.
076 WHUS71 KBOX 010657 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 257 AM EDT Mon May 1 2023 ANZ255-256-011600- /O.NEW.KBOX.GL.W.0025.230501T0900Z-230501T1600Z/ Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 257 AM EDT Mon May 1 2023 ...GALE WARNING IN EFFECT UNTIL NOON EDT TODAY... * WHAT...Southwest winds 20 to 25 kt with gusts up to 35 kt and seas 10 to 12 feet expected. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...Until noon EDT today. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ ANZ235-237-011600- /O.NEW.KBOX.GL.W.0025.230501T0900Z-230501T1600Z/ Rhode Island Sound-Block Island Sound- 257 AM EDT Mon May 1 2023 ...GALE WARNING IN EFFECT UNTIL NOON EDT TODAY... * WHAT...Southwest winds 20 to 25 kt with gusts up to 35 kt and seas 6 to 9 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...Until noon EDT today. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ ANZ232>234-011600- /O.NEW.KBOX.GL.W.0025.230501T0900Z-230501T1600Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 257 AM EDT Mon May 1 2023 ...GALE WARNING IN EFFECT UNTIL NOON EDT TODAY... * WHAT...Southwest winds 20 to 25 kt with gusts up to 35 kt and seas 5 to 7 feet expected. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...Until noon EDT today. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ ANZ231-010800- /O.NEW.KBOX.GL.W.0024.230501T0657Z-230501T0800Z/ Cape Cod Bay- 257 AM EDT Mon May 1 2023 ...GALE WARNING IN EFFECT UNTIL 4 AM EDT EARLY THIS MORNING... * WHAT...Southeast winds 20 to 25 kt with gusts up to 30 kt and seas 5 to 7 feet. * WHERE...Cape Cod Bay. * WHEN...Until 4 AM EDT early this morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ ANZ251-010800- /O.EXT.KBOX.GL.W.0023.000000T0000Z-230501T0800Z/ Massachusetts Bay and Ipswich Bay- 257 AM EDT Mon May 1 2023 ...GALE WARNING NOW IN EFFECT UNTIL 4 AM EDT EARLY THIS MORNING... * WHAT...Southeast winds around 25 kt with gusts up to 30 kt and seas 9 to 13 feet. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...Until 4 AM EDT early this morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ ANZ250-254-010900- /O.CON.KBOX.GL.W.0023.000000T0000Z-230501T0900Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 257 AM EDT Mon May 1 2023 ...GALE WARNING REMAINS IN EFFECT UNTIL 5 AM EDT EARLY THIS MORNING... * WHAT...Southeast winds 25 to 30 kt with gusts up to 40 kt and seas 10 to 15 feet. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm. * WHEN...Until 5 AM EDT early this morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ ANZ230-012000- /O.EXB.KBOX.SC.Y.0049.000000T0000Z-230501T2200Z/ Boston Harbor- 257 AM EDT Mon May 1 2023 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING... * WHAT...South winds 15 to 25 kt and waves around 2 feet. * WHERE...Boston Harbor. * WHEN...Until 6 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ236-012000- /O.EXT.KBOX.SC.Y.0049.000000T0000Z-230502T0000Z/ Narragansett Bay- 257 AM EDT Mon May 1 2023 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt and waves 3 to 5 feet. * WHERE...Narragansett Bay. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
2 follow-up statements
890 WHUS71 KBOX 010807 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 407 AM EDT Mon May 1 2023 ANZ254-011600- /O.CAN.KBOX.GL.W.0023.000000T0000Z-230501T0900Z/ /O.EXA.KBOX.GL.W.0025.230501T0900Z-230501T1600Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 407 AM EDT Mon May 1 2023 ...GALE WARNING IN EFFECT UNTIL NOON EDT TODAY... * WHAT...Southwest winds 20 to 25 kt with gusts up to 35 kt and seas 9 to 13 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm. * WHEN...Until noon EDT today. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ ANZ250-012115- /O.CAN.KBOX.GL.W.0023.000000T0000Z-230501T0900Z/ /O.EXB.KBOX.SC.Y.0049.000000T0000Z-230503T0000Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 407 AM EDT Mon May 1 2023 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT TUESDAY... ...GALE WARNING IS CANCELLED... * WHAT...Southwest winds 20 to 30 kt and seas 10 to 15 feet. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...Until 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ251-012115- /O.EXP.KBOX.GL.W.0023.000000T0000Z-230501T0800Z/ /O.EXB.KBOX.SC.Y.0049.000000T0000Z-230502T0600Z/ Massachusetts Bay and Ipswich Bay- 407 AM EDT Mon May 1 2023 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT TUESDAY... ...GALE WARNING HAS EXPIRED... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and seas 7 to 12 feet. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...Until 2 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ231-012115- /O.EXP.KBOX.GL.W.0024.000000T0000Z-230501T0800Z/ /O.EXA.KBOX.SC.Y.0049.000000T0000Z-230502T0000Z/ Cape Cod Bay- 407 AM EDT Mon May 1 2023 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...GALE WARNING HAS EXPIRED... * WHAT...South winds 15 to 20 kt with gusts up to 30 kt and seas 4 to 6 feet. * WHERE...Cape Cod Bay. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ255-256-011600- /O.CON.KBOX.GL.W.0025.230501T0900Z-230501T1600Z/ Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 407 AM EDT Mon May 1 2023 ...GALE WARNING REMAINS IN EFFECT UNTIL NOON EDT TODAY... * WHAT...Southwest winds 20 to 25 kt with gusts up to 40 kt and seas 10 to 12 feet expected. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...Until noon EDT today. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ ANZ235-237-011600- /O.CON.KBOX.GL.W.0025.230501T0900Z-230501T1600Z/ Rhode Island Sound-Block Island Sound- 407 AM EDT Mon May 1 2023 ...GALE WARNING REMAINS IN EFFECT UNTIL NOON EDT TODAY... * WHAT...Southwest winds 20 to 25 kt with gusts up to 35 kt and seas 6 to 9 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...Until noon EDT today. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ ANZ232>234-011600- /O.CON.KBOX.GL.W.0025.230501T0900Z-230501T1600Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 407 AM EDT Mon May 1 2023 ...GALE WARNING REMAINS IN EFFECT UNTIL NOON EDT TODAY... * WHAT...Southwest winds 20 to 25 kt with gusts up to 35 kt and seas 5 to 7 feet expected. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...Until noon EDT today. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ ANZ230-012115- /O.CON.KBOX.SC.Y.0049.000000T0000Z-230501T2200Z/ Boston Harbor- 407 AM EDT Mon May 1 2023 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING... * WHAT...South winds 15 to 20 kt with gusts up to 25 kt and waves around 2 feet. * WHERE...Boston Harbor. * WHEN...Until 6 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ236-012115- /O.CON.KBOX.SC.Y.0049.000000T0000Z-230502T0000Z/ Narragansett Bay- 407 AM EDT Mon May 1 2023 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt and waves 3 to 5 feet. * WHERE...Narragansett Bay. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
617 WHUS71 KBOX 011556 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 1156 AM EDT Mon May 1 2023 ANZ255-256-020500- /O.CAN.KBOX.GL.W.0025.000000T0000Z-230501T1600Z/ /O.EXB.KBOX.SC.Y.0049.000000T0000Z-230503T1200Z/ Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1156 AM EDT Mon May 1 2023 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT WEDNESDAY... ...GALE WARNING IS CANCELLED... * WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and seas 7 to 12 feet. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...Until 8 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ235-237-020500- /O.CAN.KBOX.GL.W.0025.000000T0000Z-230501T1600Z/ /O.EXB.KBOX.SC.Y.0049.000000T0000Z-230503T0600Z/ Rhode Island Sound-Block Island Sound- 1156 AM EDT Mon May 1 2023 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY... ...GALE WARNING IS CANCELLED... * WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and seas 6 to 9 feet. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...Until 2 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ232>234-020500- /O.CAN.KBOX.GL.W.0025.000000T0000Z-230501T1600Z/ /O.EXA.KBOX.SC.Y.0049.000000T0000Z-230502T0600Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 1156 AM EDT Mon May 1 2023 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT TUESDAY... ...GALE WARNING IS CANCELLED... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 7 feet. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...Until 2 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ254-020500- /O.CAN.KBOX.GL.W.0025.000000T0000Z-230501T1600Z/ /O.EXB.KBOX.SC.Y.0049.000000T0000Z-230503T1200Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1156 AM EDT Mon May 1 2023 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT WEDNESDAY... ...GALE WARNING IS CANCELLED... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and seas 6 to 11 feet. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm. * WHEN...Until 8 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ251-020500- /O.CON.KBOX.SC.Y.0049.000000T0000Z-230502T0600Z/ Massachusetts Bay and Ipswich Bay- 1156 AM EDT Mon May 1 2023 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT TUESDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and seas 5 to 8 feet. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...Until 2 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ250-020500- /O.CON.KBOX.SC.Y.0049.000000T0000Z-230503T0000Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1156 AM EDT Mon May 1 2023 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT TUESDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and seas 7 to 10 feet. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...Until 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ231-020000- /O.CON.KBOX.SC.Y.0049.000000T0000Z-230502T0000Z/ Cape Cod Bay- 1156 AM EDT Mon May 1 2023 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt and seas 4 to 6 feet. * WHERE...Cape Cod Bay. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ230-012200- /O.CON.KBOX.SC.Y.0049.000000T0000Z-230501T2200Z/ Boston Harbor- 1156 AM EDT Mon May 1 2023 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING... * WHAT...Southwest winds around 15 kt with gusts up to 25 kt and waves around 2 feet. * WHERE...Boston Harbor. * WHEN...Until 6 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ236-020000- /O.CON.KBOX.SC.Y.0049.000000T0000Z-230502T0000Z/ Narragansett Bay- 1156 AM EDT Mon May 1 2023 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Southwest winds 15 to 20 kt with gusts up to 25 kt and waves 3 to 5 feet. * WHERE...Narragansett Bay. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
What forecasters said that day
The local office's own words before this gale warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Boston/Norton, MA wrote its last area forecast discussion before this gale warning went out at May 1, 2:06 AM EDT, 51 minutes earlier.
Area forecast discussion, May 1, 2:06 AM EDT, 51 minutes before
Area Forecast Discussion
National Weather Service Boston/Norton MA
206 AM EDT Mon May 1 2023
.SYNOPSIS...
Widespread heavy rainfall impacts southern New England this
evening and early tonight; a few embedded thunderstorms are
possible. Localized poor drainage and urban flooding is
possible. Drier and milder weather returns Monday, then cooler
and unsettled conditions follow for the rest of the work week
with showers at times as low pressure aloft moves from the Great
Lakes into New England. There are signs of a change to a drier
and milder weather by next weekend.
&&
.NEAR TERM /UNTIL 6 AM THIS MORNING/...
2 AM update...
Heavy showers rapidly lifting to the north of SNE as dry slot
approaches from the south. Still a band of heavy showers and a
few t-storms moving north from Cape Cod and will impact the
north shore during the next hour. Otherwise, just scattered
showers lifting north across SNE early this morning, which will
end 09-12z from S to N. Winds will be shifting to S, then SW and
there may be a brief period of locally dense fog before the wind
shift to SW. Gusty winds will continue along the coast but the
max winds have shifted to the north into the Gulf of Maine
Previous discussion...
Potent shortwave lifting north from NJ coast. Heaviest rainfall
will occur through 06z as the shortwave moves into the region.
Concentration of lightning just to the north of the shortwave so
a few t-storms possible through midnight. Rain tapers off from
S to N after 06z as dry slot moves in.
Peak of the wind will impact the north shore through midnight
as the low level jet strengthens before lifting north into the
Gulf of Maine. A few gusts to 40-45 mph possible.
&&
.SHORT TERM /6 AM THIS MORNING THROUGH 6 PM TUESDAY/...
Rapid clearing continues through about 14-15Z tomorrow morning.
Abundant sunshine will reign over much of the area, with the
exception being the far western regions of our Massachusetts and
Connecticut as a cold pool aloft allows some cumulus to develop by
late morning and early afternoon. Cold pool convection should be
strong enough to allow scattered, low impact spritzes of rain to
develop, amounting to generally less than 0.05 of QPF.
Strong SW flow will develop by tomorrow morning as the inversion
finally mixes out. With mixing to about 800mb, anticipating that the
jet of 30-40kt will mix gusts of 25-30 kt to the surface through
lunchtime across SE MA and the Cape and Islands. Less gusty, but
still breezy winds of 15-25kt can be expected north and west of I-
95. Winds will gradually diminish towards 20kt by late afternoon as
the jet pulls to our east.
Mainly clear and dry conditions last into the first half of Monday
night before low clouds and the chance for more spotty showers
develops before sunrise Tuesday as our next shortwave pivots around
the strong trough and associated mid level low centered over the
Great Lakes. This low will prove quite troublesome after Monday for
those looking for a Springtime warm up.
&&
.LONG TERM /TUESDAY NIGHT THROUGH SUNDAY/...
Highlights...
* Unsettled with showers at times Tue through Fri, especially Tue/Wed
* Cool Tue through Fri with highs mainly in the 50s...coolest Thu
* Trending Drier & milder next weekend...especially by Sunday
Details...
Tuesday and Wednesday...
Deep closed upper level low/cold pool aloft will move east across
our region Tue into Wed. This will be associated with a surface low
pressure system resulting in some low level convergence too. The
cyclonic circulation coupled with some instability with the cold
pool aloft will result in unsettled weather with showers at times.
While this entire period will not be a washout...expect times of wet
weather. In fact...enough instability may even be present for a few
rumbles of thunder along with some graupel/small hail. Greatest risk
for that will be on Tue but can not rule it out on Wed either.
High temps Tue and Wed will mainly be in the 50s to near 60 with
temps a bit milder on Tue.
Thursday and Friday...
The closed upper level system along with its surface reflection will
push southeast of us by Thu and Fri...but it still be in control of
our weather. This will result in low level flow turning northeast.
So temps will be cool...especially on Thu when portions of eastern
New England and possibly parts of the high terrain may struggle to
reach 50. While we expect the risk for a few additional showers Thu
and Fri...they may tend to be lighter or even accompanied by some
drizzle and fog at times given the onshore flow. Either way rather
cloudy and cool even if much of this time ends up featuring dry
weather.
Next Weekend...
Bulk of the upper level energy shifts far enough southeast of our
region to allow the weather to trend drier and milder. The upper
level flow will be northerly, so not expecting summer warmth but
still a nice recovery. We should see high temps recover mainly into
the 60s Sat and possibly near 70 in spots by Sunday with mainly dry
weather.
&&
.AVIATION /06Z MONDAY THROUGH FRIDAY/...
Forecaster Confidence Levels:
Low - less than 30 percent.
Medium - 30 to 60 percent.
High - greater than 60 percent.
Through 12z...
Widespread showers are lifting to the north with just SCT
showers expected next few hours before ending 09-12z from S to
N. MVFR-IFR conditions expected to lower to a period of LIFR
with locally dense fog as winds shift to S, with some
improvement as winds turn SW. LLWS near the coast will diminish
through 09z.
Today... High Confidence.
Rapid improvement in conditions to VFR with clearing skies from
south to north 12-15z. BKN CU developing by midday across
interior MA and N CT by midday. Widely SCT showers developing
this afternoon in western MA/CT. A period of SW gusts to 30-35
kt expected over Cape/Islands this morning, then diminishing.
Otherwise, SW gusts to 20-25 kt gusts today, strongest near the
coast.
Tonight into Tuesday... High confidence in trends. Lower in
timing.
VFR much of tonight, then lowering to MVFR late tonight and Tue
morning, mainly interior as showers redevelop and move across
the region. Isolated thunder possible Tue, mainly northern MA.
Cigs lifting to VFR in the afternoon with risk of showers
continuing, mainly interior. Diminishing SW winds this evening
becoming S/SE 5-10 kt overnight, then S 10-20 kt Tue.
KBOS Terminal...High confidence in TAF trends. Lower in timing.
IFR persists through 12z, with a period of LIFR expected before
the wind shifts to SW by 12z. Rapid improvement to VFR by 14z.
Gusty SE winds turn S then SW by 12z. Gusts to 25 kt today.
KBDL Terminal...High confidence in TAF trends. Lower in timing.
IFR-LIFR conditions improving to VFR 12-14z. SW gusts 20-25 kt
today.
Outlook /Tuesday Night through Friday/...
Tuesday Night: Mainly MVFR, with areas VFR possible. Chance
SHRA.
Wednesday: Mainly MVFR, with local VFR possible. Breezy. Chance
SHRA.
Wednesday Night through Thursday Night: Mainly MVFR, with local
IFR possible. Breezy. Chance SHRA.
Friday: Mainly MVFR, with local VFR possible. Breezy. Slight
chance SHRA.
&&
.MARINE...
Forecaster Confidence Levels:
Low - less than 30 percent.
Medium - 30 to 60 percent.
High - greater than 60 percent.
Through tonight...
Gale warnings for all waters except
Narragansett Bay. Winds will diminish a bit this morning, then
next surge of wind will be later today into tonight as another
strengthening low level jet develops. We expect 35-40 kt gusts,
strongest over eastern MA waters. A few 45 kt gusts possible
across NE MA waters but expect winds to remain below storm force
as max strengthening of the low level jet occurs in the Gulf of
Maine. Winds diminish after midnight as the jet lifts to the
north, then winds shift to SW late tonight. Max seas peak at
14-17 ft over northeastern MA waters tonight.
Monday...
SW wind gusts 20-30 kt in the morning, diminishing in the afternoon.
Rough seas gradually subsiding. Gales will likely need to be
replaced with Small Craft Advisories during the period.
Monday Night...
SW winds become S/SE overnight gusting 15-20kt. SCAs will be
necessary due to residual waves over 5ft, especially across the
outer waters.
Outlook /Tuesday Night through Friday/...
Tuesday: Winds less than 25 kt. Areas of rough seas. Chance of
rain showers. SCAs possible across the outer waters due to
residual wave action.
Tuesday Night: Winds less than 25 kt. Local rough seas. Slight
chance of rain showers.
Wednesday: Winds less than 25 kt. Areas of seas approaching
5 ft. Chance of rain showers.
Wednesday Night: Low risk for Small Craft Advisory winds with
gusts up to 25 kt. Seas up to 5 ft. Chance of rain showers.
Thursday: Moderate risk for Small Craft Advisory winds with
gusts up to 25 kt. Areas of rough seas. Chance of rain showers.
Thursday Night: Low risk for Small Craft Advisory winds with
gusts up to 20 kt. Areas of rough seas. Chance of rain showers.
Friday: Low risk for Small Craft Advisory winds with gusts up
to 20 kt. Local rough seas. Slight chance of rain showers.
&&
.BOX WATCHES/WARNINGS/ADVISORIES...
CT...None.
MA...None.
RI...None.
MARINE...Gale Warning until 2 AM EDT early this morning for ANZ230>235-
237-255-256.
Small Craft Advisory until 8 AM EDT this morning for ANZ236.
Gale Warning until 5 AM EDT early this morning for ANZ250-251-
254.
&&
SYNOPSIS...Frank/KS
NEAR TERM...KJC/KS
SHORT TERM...KS
LONG TERM...Frank
AVIATION...KJC/Frank
MARINE...Frank/KSHazardous weather outlook, Apr 30, 4:10 PM EDT, 10 hours 47 minutes before
Hazardous Weather Outlook National Weather Service Boston/Norton MA 410 PM EDT Sun Apr 30 2023 CTZ002>004-MAZ002>024-026-RIZ001>007-012015- Hartford CT-Tolland CT-Windham CT-Western Franklin MA- Eastern Franklin MA-Northern Worcester MA-Central Middlesex MA- Western Essex MA-Eastern Essex MA-Western Hampshire MA- Western Hampden MA-Eastern Hampshire MA-Eastern Hampden MA- Southern Worcester MA-Western Norfolk MA-Southeast Middlesex MA- Suffolk MA-Eastern Norfolk MA-Northern Bristol MA- Western Plymouth MA-Eastern Plymouth MA-Southern Bristol MA- Southern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA- Northern Middlesex MA-Northwest Providence RI- Southeast Providence RI-Western Kent RI-Eastern Kent RI-Bristol RI- Washington RI-Newport RI- 410 PM EDT Sun Apr 30 2023 This Hazardous Weather Outlook is for northern Connecticut, all of Massachusetts east of Berkshire County, northern Rhode Island and southern Rhode Island. .DAY ONE...Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Monday through Saturday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. ANZ230>235-237-255-256-012015- Boston Harbor-Cape Cod Bay-Nantucket Sound-Vineyard Sound- Buzzards Bay-Rhode Island Sound-Block Island Sound- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 410 PM EDT Sun Apr 30 2023 ...GALE WARNING IN EFFECT UNTIL 2 AM EDT MONDAY... This Hazardous Weather Outlook is for Massachusetts coastal waters and Rhode Island coastal waters. .DAY ONE...Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Gale Warning. .DAYS TWO THROUGH SEVEN...Monday through Saturday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. ANZ250-254-012015- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 410 PM EDT Sun Apr 30 2023 ...GALE WARNING IN EFFECT UNTIL 5 AM EDT MONDAY... This Hazardous Weather Outlook is for Massachusetts coastal waters. .DAY ONE...Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Gale Warning. .DAYS TWO THROUGH SEVEN...Monday through Saturday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. ANZ251-012015- Massachusetts Bay and Ipswich Bay- 410 PM EDT Sun Apr 30 2023 ...GALE WARNING IN EFFECT UNTIL 5 AM EDT MONDAY... This Hazardous Weather Outlook is for Massachusetts coastal waters. .DAY ONE...Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Gale Warning. .DAYS TWO THROUGH SEVEN...Monday through Saturday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. ANZ236-RIZ008-012015- Narragansett Bay-Block Island RI- 410 PM EDT Sun Apr 30 2023 This Hazardous Weather Outlook is for southern Rhode Island and Rhode Island coastal waters. .DAY ONE...Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Monday through Saturday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. For more information on upcoming hazardous weather, please see the Area Forecast Discussion on our webpage for the latest forecast thinking. There is also our Enhanced Hazardous Weather Outlook at www.weather.gov/box/ehwo For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/NWSBoston You can follow us on Twitter at @NWSBoston
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 2:57 AM EDT | Gale Warning | BOX | 63 min |
Nearby
Gale Warnings in Massachusetts, 2023Every gale warning in 2023
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.