Marine Weather and Tide Forecast for Ithaca, NY
May 20, 2024 7:32 PM EDT (23:32 UTC) Change Location
 | Sunrise 5:37 AM Sunset 8:27 PM Moonrise 4:46 PM Moonset 2:59 AM |
LOZ044 Expires:202405210330;;559317 Fzus51 Kbuf 202032 Nshbuf
nearshore marine forecast national weather service buffalo ny 432 pm edt Mon may 20 2024
for waters within five nautical miles of shore
waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum.
loz043-044-210330- hamlin beach to mexico bay along lake ontario including irondequoit bay- 432 pm edt Mon may 20 2024
Tonight - Northeast winds 10 knots or less becoming south. Partly cloudy. Waves 1 foot or less.
Tuesday - South winds 10 knots or less becoming southwest 10 to 15 knots. Partly Sunny. Waves 1 foot or less.
Tuesday night - Southwest winds 10 knots or less becoming south. Partly cloudy. Waves 1 foot or less.
Wednesday - South winds 10 knots or less becoming southwest. A chance of showers and Thunderstorms in the afternoon. Waves 2 feet or less.
Wednesday night - Southwest winds 10 to 15 knots. Showers likely with a chance of Thunderstorms. Waves 2 feet or less.
Thursday - Southwest winds 10 to 15 knots. Showers likely with a chance of Thunderstorms during the day, then a chance of showers Thursday night. Waves 1 to 3 feet.
Friday - West winds 10 knots or less becoming north. Sunny. Waves 1 to 2 feet.
Saturday - Northeast winds 5 to 10 knots. Mostly Sunny. Waves 1 foot or less.
winds and waves higher in and near Thunderstorms.
the water temperature off rochester is 48 degrees.
nearshore marine forecast national weather service buffalo ny 432 pm edt Mon may 20 2024
for waters within five nautical miles of shore
waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum.
loz043-044-210330- hamlin beach to mexico bay along lake ontario including irondequoit bay- 432 pm edt Mon may 20 2024
winds and waves higher in and near Thunderstorms.
the water temperature off rochester is 48 degrees.
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Area Discussion for - Binghamton, NY
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FXUS61 KBGM 202309 AFDBGM
Area Forecast Discussion National Weather Service Binghamton NY 709 PM EDT Mon May 20 2024
SYNOPSIS
A warm, early summer weather pattern will be over the region through Wednesday. Chances for scattered showers and thunderstorms gradually increase, especially by late Wednesday and Thursday. The weather looks to turn mainly dry and seasonably warm for Friday into the upcoming Memorial Day Weekend, although a scattered shower can't be ruled out.
NEAR TERM /THROUGH TUESDAY NIGHT/
645 PM Update:
The forecast remains on track and no changes were necessary. Any pop-up showers or thunderstorms across the Finger Lakes Region will dissipate over the next few hours, leading to a dry night with patchy fog in the valleys.
230 PM Update
Some cumulus clouds are developing this afternoon, with MLCAPE reaching 600-1200 J/Kg over the forecast area and LIs down around -3. An inhibiting factor is the weak mid level lapse rates around 6C/km and low level dry air, with sfc Tds only in the mid-50s to lower 60s. CAMs such as the 12z 3km NAM and HRRR continue to show an isolated storm or two popping up over the western Finger Lakes and/or Central southern tier region heading into the early evening hours. With light winds through the column and basically no deep layer shear, any storms that do pop up will be pulse type and shouldn't last very long or become organized. The weather turns quiet overnight, with some patchy fog possible...mainly in the valleys. Mild with lows in the upper 50s to 60s.
Tuesday starts off quiet in the morning, with mostly sunny skies. A weak wave rides over the top of the ridge in the afternoon, which could spark off a few showers and t'storms. The main timing for these looks to be about 2 PM to 9 PM. Mixed Layer instability will reach 800-1200 J/Kg with deep layer shear increasing a bit...upwards of 20-30 kts. SPC is carrying a marginal risk for severe hail and wind just to the north of our CWA for the afternoon and evening hours...so we will need to keep a close eye on any storms that do form over Central NY and the Mohawk Valley region. Otherwise, outside of the convective activity it will be partly to mostly sunny and hot, with highs in the mid-80s to low 90s over the region.Leaned toward the bias corrected guidance and NBM25-50th percentile, which was a bit higher than the Operational NBM...as that seemed too low based recent trends. Dew points are in the upper 50s to low 60s, so it won't feel overly humid.
After any lingering evening convection, Tuesday night is quiet and warm once again, under partly cloudy skies. Temperatures hold in the 60s areawide.
SHORT TERM /WEDNESDAY THROUGH THURSDAY NIGHT/
3 PM update...
A cold front in Michigan Wednesday morning will move southeast through CNY Wednesday night, then stalls in PA Thursday. The front will have warm humid air to work with ahead of the front. With the front getting here late in the day with increasing clouds, temperatures will peak in the mid and upper 80s and around 90 in Syracuse. Dewpoint temperatures will be in the low and mid 60s.
CAPE is still forecasted to be 1k or a little higher. The CAPE is tall and skinny but better than Tuesday. Mid level lapse rates are good. Shear is weak at 20 to 25 kts. Low level winds remain light but the upper level jet approaches northern NY. SPC has the NW half of CNY in a marginal chance of severe thunderstorms. Wind is the most likely threat. Late Wednesday into Wednesday night the convection moves through. Low temperatures will be in the 60s.
Thursday the front stalls in northern PA as a weak surface low moves east. Most of the showers and thunderstorms move southeast out of the area late Thursday. Some of the thunderstorms could be strong again. CAPE is lower but shear is higher. Highs range mostly in the 70s but around 80 in the Wyoming Valley. Thursday night with cold air advection and clearing skies lows will be in the 50s.
LONG TERM /FRIDAY THROUGH MONDAY/
3 PM update...
Friday into Saturday now looks dry as the front sags south. A ridge of high pressure builds in from the northwest. Models are trending drier for the weekend. Low chance pops for NEPA and Sullivan County NY Saturday afternoon and night. A front moving east from the upper Midwest looks slower and may wait until Monday to bring widespread showers and thunderstorms here. This front is ahead of an upper level trough.
Highs mostly in the 70s Friday and Saturday will fall into the upper 60s to mid 70s Sunday and Monday. Lows Friday night will be from the mid 40s to the lower 50. Lows rise into the 50s Saturday night and Sunday night.
AVIATION /23Z MONDAY THROUGH SATURDAY/
VFR conditions are expected through the next 24 hours. There is a small chance for fog briefly at ELM Tuesday morning. However, at this time it does not appear ELM will reach crossover temperature, so left fog out of the forecast for now.
Outlook...
Tuesday night through Thursday...Mainly VFR. Patchy early morning valley fog possible. Also isolated to scattered afternoon and evening thunderstorms around.
Friday and Saturday...VFR expected. Moderate to high confidence.
BGM WATCHES/WARNINGS/ADVISORIES
PA...None.
NY...None.
Area Forecast Discussion National Weather Service Binghamton NY 709 PM EDT Mon May 20 2024
SYNOPSIS
A warm, early summer weather pattern will be over the region through Wednesday. Chances for scattered showers and thunderstorms gradually increase, especially by late Wednesday and Thursday. The weather looks to turn mainly dry and seasonably warm for Friday into the upcoming Memorial Day Weekend, although a scattered shower can't be ruled out.
NEAR TERM /THROUGH TUESDAY NIGHT/
645 PM Update:
The forecast remains on track and no changes were necessary. Any pop-up showers or thunderstorms across the Finger Lakes Region will dissipate over the next few hours, leading to a dry night with patchy fog in the valleys.
230 PM Update
Some cumulus clouds are developing this afternoon, with MLCAPE reaching 600-1200 J/Kg over the forecast area and LIs down around -3. An inhibiting factor is the weak mid level lapse rates around 6C/km and low level dry air, with sfc Tds only in the mid-50s to lower 60s. CAMs such as the 12z 3km NAM and HRRR continue to show an isolated storm or two popping up over the western Finger Lakes and/or Central southern tier region heading into the early evening hours. With light winds through the column and basically no deep layer shear, any storms that do pop up will be pulse type and shouldn't last very long or become organized. The weather turns quiet overnight, with some patchy fog possible...mainly in the valleys. Mild with lows in the upper 50s to 60s.
Tuesday starts off quiet in the morning, with mostly sunny skies. A weak wave rides over the top of the ridge in the afternoon, which could spark off a few showers and t'storms. The main timing for these looks to be about 2 PM to 9 PM. Mixed Layer instability will reach 800-1200 J/Kg with deep layer shear increasing a bit...upwards of 20-30 kts. SPC is carrying a marginal risk for severe hail and wind just to the north of our CWA for the afternoon and evening hours...so we will need to keep a close eye on any storms that do form over Central NY and the Mohawk Valley region. Otherwise, outside of the convective activity it will be partly to mostly sunny and hot, with highs in the mid-80s to low 90s over the region.Leaned toward the bias corrected guidance and NBM25-50th percentile, which was a bit higher than the Operational NBM...as that seemed too low based recent trends. Dew points are in the upper 50s to low 60s, so it won't feel overly humid.
After any lingering evening convection, Tuesday night is quiet and warm once again, under partly cloudy skies. Temperatures hold in the 60s areawide.
SHORT TERM /WEDNESDAY THROUGH THURSDAY NIGHT/
3 PM update...
A cold front in Michigan Wednesday morning will move southeast through CNY Wednesday night, then stalls in PA Thursday. The front will have warm humid air to work with ahead of the front. With the front getting here late in the day with increasing clouds, temperatures will peak in the mid and upper 80s and around 90 in Syracuse. Dewpoint temperatures will be in the low and mid 60s.
CAPE is still forecasted to be 1k or a little higher. The CAPE is tall and skinny but better than Tuesday. Mid level lapse rates are good. Shear is weak at 20 to 25 kts. Low level winds remain light but the upper level jet approaches northern NY. SPC has the NW half of CNY in a marginal chance of severe thunderstorms. Wind is the most likely threat. Late Wednesday into Wednesday night the convection moves through. Low temperatures will be in the 60s.
Thursday the front stalls in northern PA as a weak surface low moves east. Most of the showers and thunderstorms move southeast out of the area late Thursday. Some of the thunderstorms could be strong again. CAPE is lower but shear is higher. Highs range mostly in the 70s but around 80 in the Wyoming Valley. Thursday night with cold air advection and clearing skies lows will be in the 50s.
LONG TERM /FRIDAY THROUGH MONDAY/
3 PM update...
Friday into Saturday now looks dry as the front sags south. A ridge of high pressure builds in from the northwest. Models are trending drier for the weekend. Low chance pops for NEPA and Sullivan County NY Saturday afternoon and night. A front moving east from the upper Midwest looks slower and may wait until Monday to bring widespread showers and thunderstorms here. This front is ahead of an upper level trough.
Highs mostly in the 70s Friday and Saturday will fall into the upper 60s to mid 70s Sunday and Monday. Lows Friday night will be from the mid 40s to the lower 50. Lows rise into the 50s Saturday night and Sunday night.
AVIATION /23Z MONDAY THROUGH SATURDAY/
VFR conditions are expected through the next 24 hours. There is a small chance for fog briefly at ELM Tuesday morning. However, at this time it does not appear ELM will reach crossover temperature, so left fog out of the forecast for now.
Outlook...
Tuesday night through Thursday...Mainly VFR. Patchy early morning valley fog possible. Also isolated to scattered afternoon and evening thunderstorms around.
Friday and Saturday...VFR expected. Moderate to high confidence.
BGM WATCHES/WARNINGS/ADVISORIES
PA...None.
NY...None.
toggle option: (graph/table)
| Airport | Dist | Age | Wind kt | Vis | Sky | Weather | Temp | DewPt | RH | inHg |
| KITH ITHACA TOMPKINS RGNL,NY | 3 sm | 36 min | calm | 10 sm | A Few Clouds | 84°F | 61°F | 45% | 29.95 |
Binghamton, NY,
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