Maryland Marine Weather

Maryland Weather

State-wide weather for Maryland is broken down by ICAO points, the same network of weather observation points used by the aviation industry. Each point provides real-time conditions and near real-time forecasts. To view tide charts select a Tracked Location from the list.

Current ICAO Station

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Sunrise:	5:45 AM EDT
Sunset:	8:06 PM EDT

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7-Day Forecast where available

SATURDAY	SUNDAY	MONDAY	TUESDAY	WEDNESDAY	THURSDAY	FRIDAY
Hi: 71°F Lo: 51°F	Hi: 70°F Lo: 41°F	Hi: 61°F Lo: 49°F	Hi: 69°F Lo: 51°F	Hi: 69°F Lo: 49°F	Hi: 70°F Lo: 51°F	Hi: 71°F Lo: °F

Current Moon Phases

May 17	May 18	May 19	May 20	May 21	May 22
Waxing Gibbous Showing: 91.5%	Waxing Gibbous Showing: 96.4%	Waxing Gibbous Showing: 99.3%	a Full Moon Showing: 99.9%	Waning Gibbous Showing: 98.3%	Waning Gibbous Showing: 94.5%

Baltimore Canyon to Hatteras Canyon

Expires:200805171430;;703188 FZNT22 KWBC 170814 OFFNT2 OFFSHORE WATERS FORECAST NWS OCEAN PREDICTION CENTER WASHINGTON DC 400 AM EDT SAT MAY 17 2008 W CENTRAL N ATLC CONTINENTAL SHELF AND SLOPE WATERS BEYOND 20 NM TO 250 NM OFFSHORE...INCLUDING S OF GEORGES BANK FROM 1000 FM TO 250 NM OFFSHORE SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

- BALTIMORE CANYON TO HATTERAS CANYON OUT TO 36N 70W TO 34N 71W 400 AM EDT SAT MAY 17 2008 ...GALE WARNING...

TODAY: W TO NW WINDS 25 TO 35 KT DIMINISHING TO W TO SW 15 TO 25 KT THROUGHOUT LATE. SEAS 6 TO 9 FT...EXCEPT E OF 1000 FM 9 TO 15 FT SUBSIDING TO 4 TO 6 FT...EXCEPT E OF 1000 FM 6 TO 11 FT...HIGHEST E.

TONIGHT: SW WINDS 15 TO 25 KT. SEAS 4 TO 7 FT...EXCEPT E OF 1000 FM 7 TO 9 FT...HIGHEST NE. ISOLATED SHOWERS.

SUN: SW WINDS INCREASING TO 25 TO 35 KT. SEAS 5 TO 7 FT...EXCEPT E OF 1000 FM BUILDING TO 7 TO 10 FT...HIGHEST NE. SCATTERED SHOWERS AND TSTMS. .SUN NIGHT...SW WINDS 25 TO 35 KT BECOMING W. SEAS 6 TO 8 FT...EXCEPT E OF 1000 FM BUILDING TO 8 TO 12 FT...HIGHEST NE. SCATTERED SHOWERS AND TSTMS.

MON: W TO SW WINDS 25 TO 30 KT DIMINISHING 5 TO 10 KT...EXCEPT NW PORTION BECOMING VARIABLE 10 KT. SEAS SUBSIDING TO 2 TO 5 FT...EXCEPT E OF 1000 FM 5 TO 8 FT...HIGHEST FAR NE.

TUE: SW WINDS INCREASING TO 20 TO 30 KT...THEN SHIFTING TO NW 15 TO 20 KT LATE. SEAS BUILDING TO 4 TO 7 FT...EXCEPT E OF 1000 FM 7 TO 10 FT...HIGHEST E.

WED: W TO NW WINDS 15 TO 25 KT...HIGHEST NW. SEAS SUBSIDING TO 3 TO 6 FT...HIGHEST E. $$

Chesapeake Bay from North Beach to Drum Point, MD

Expires:200805171915;;702309 FZUS51 KLWX 170757 CWFLWX COASTAL WATERS FORECAST NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 357 AM EDT SAT MAY 17 2008 TIDAL POTOMAC RIVER AND MARYLAND PORTION OF CHESAPEAKE BAY. FORECASTS OF WAVE HEIGHTS DO NOT INCLUDE EFFECTS OF WIND DIRECTION RELATIVE TO TIDAL CURRENTS. EXPECT HIGHER WAVES WHEN WINDS ARE BLOWING AGAINST THE TIDAL FLOW. ANZ533-534-171915- /O.EXT.KLWX.SC.Y.0071.000000T0000Z-080518T0600Z/ CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT- CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT- 357 AM EDT SAT MAY 17 2008 ...SMALL CRAFT ADVISORY NOW IN EFFECT THROUGH LATE TONIGHT...

TODAY: W WINDS 15 TO 20 KT...BECOMING SW IN THE AFTERNOON. WAVES 2 TO 3 FT.

TONIGHT: SW WINDS 15 TO 20 KT...BECOMING 10 TO 15 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.

SUN: SW WINDS 10 TO 15 KT. GUSTS UP TO 30 KT IN THE AFTERNOON. WAVES 3 TO 5 FT. SHOWERS LIKELY WITH SCATTERED TSTMS. .SUN NIGHT...NW WINDS 10 TO 15 KT. GUSTS UP TO 30 KT IN THE EVENING. WAVES 2 TO 4 FT. A CHANCE OF SHOWERS.

MON: NW WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. WAVES 2 TO 4 FT. .MON NIGHT...SW WINDS 10 KT. GUSTS UP TO 25 KT IN THE EVENING. WAVES 2 TO 4 FT. A CHANCE OF SHOWERS.

TUE: W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.

WED: NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. WINDS AND WAVES HIGHER IN AND NEAR TSTMS. $$ ROSA/ROGOWSKI

Chesapeake Bay from Pooles Island to Sandy Point, MD

Expires:200805171915;;702308 FZUS51 KLWX 170757 CWFLWX COASTAL WATERS FORECAST NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 357 AM EDT SAT MAY 17 2008 TIDAL POTOMAC RIVER AND MARYLAND PORTION OF CHESAPEAKE BAY. FORECASTS OF WAVE HEIGHTS DO NOT INCLUDE EFFECTS OF WIND DIRECTION RELATIVE TO TIDAL CURRENTS. EXPECT HIGHER WAVES WHEN WINDS ARE BLOWING AGAINST THE TIDAL FLOW. ANZ530>532-171915- /O.EXT.KLWX.SC.Y.0071.080517T1500Z-080518T0600Z/ CHESAPEAKE BAY NORTH OF POOLES ISLAND- CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT- CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH- 357 AM EDT SAT MAY 17 2008 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH LATE TONIGHT...

TODAY: W WINDS 5 TO 10 KT...INCREASING TO 15 TO 20 KT. WAVES 1 TO 2 FT.

TONIGHT: SW WINDS 10 TO 15 KT. WAVES 1 FT.

SUN: SW WINDS 10 KT. GUSTS UP TO 30 KT IN THE AFTERNOON. WAVES 2 TO 4 FT. SHOWERS LIKELY WITH SCATTERED TSTMS. .SUN NIGHT...W WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. WAVES 1 TO 3 FT. A CHANCE OF SHOWERS.

MON: W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES 1 TO 3 FT. .MON NIGHT...SW WINDS 10 TO 15 KT. GUSTS UP TO 30 KT IN THE EVENING. WAVES 2 TO 4 FT. A CHANCE OF SHOWERS.

TUE: W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.

WED: NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. WINDS AND WAVES HIGHER IN AND NEAR TSTMS. $$

Chesapeake Bay from Sandy Point to North Beach, MD

TODAY: W WINDS 5 TO 10 KT...INCREASING TO 15 TO 20 KT. WAVES 1 TO 2 FT.

TONIGHT: SW WINDS 10 TO 15 KT. WAVES 1 FT.

MON: W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES 1 TO 3 FT. .MON NIGHT...SW WINDS 10 TO 15 KT. GUSTS UP TO 30 KT IN THE EVENING. WAVES 2 TO 4 FT. A CHANCE OF SHOWERS.

TUE: W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.

WED: NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. WINDS AND WAVES HIGHER IN AND NEAR TSTMS. $$

Chesapeake Bay north of Pooles Island, MD

TODAY: W WINDS 5 TO 10 KT...INCREASING TO 15 TO 20 KT. WAVES 1 TO 2 FT.

TONIGHT: SW WINDS 10 TO 15 KT. WAVES 1 FT.

MON: W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES 1 TO 3 FT. .MON NIGHT...SW WINDS 10 TO 15 KT. GUSTS UP TO 30 KT IN THE EVENING. WAVES 2 TO 4 FT. A CHANCE OF SHOWERS.

TUE: W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.

WED: NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. WINDS AND WAVES HIGHER IN AND NEAR TSTMS. $$

Synopsis for Tidal Potomac River and MD Portion of the Chesapeake Bay

Expires:200805171915;;702305 FZUS51 KLWX 170757 CWFLWX COASTAL WATERS FORECAST NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 357 AM EDT SAT MAY 17 2008 TIDAL POTOMAC RIVER AND MARYLAND PORTION OF CHESAPEAKE BAY. FORECASTS OF WAVE HEIGHTS DO NOT INCLUDE EFFECTS OF WIND DIRECTION RELATIVE TO TIDAL CURRENTS. EXPECT HIGHER WAVES WHEN WINDS ARE BLOWING AGAINST THE TIDAL FLOW.

- 357 AM EDT SAT MAY 17 2008 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... A STRONG COLD FRONT WILL CROSS THE WATERS ON SUNDAY. ANOTHER AREA OF LOW PRESSURE WILL MOVE ACROSS THE WATERS ON TUESDAY. SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TOMORROW AFTERNOON INTO MONDAY EVENING. $$

Tidal Potomac from Cobb Island, MD to Smith Point, VA

Expires:200805171915;;702307 FZUS51 KLWX 170757 CWFLWX COASTAL WATERS FORECAST NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 357 AM EDT SAT MAY 17 2008 TIDAL POTOMAC RIVER AND MARYLAND PORTION OF CHESAPEAKE BAY. FORECASTS OF WAVE HEIGHTS DO NOT INCLUDE EFFECTS OF WIND DIRECTION RELATIVE TO TIDAL CURRENTS. EXPECT HIGHER WAVES WHEN WINDS ARE BLOWING AGAINST THE TIDAL FLOW.

- /O.EXT.KLWX.SC.Y.0071.000000T0000Z-080518T0600Z/ TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT- 357 AM EDT SAT MAY 17 2008 ...SMALL CRAFT ADVISORY NOW IN EFFECT THROUGH LATE TONIGHT...

TODAY: W WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.

TONIGHT: SW WINDS 15 TO 20 KT...DECREASING TO 10 TO 15 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.

SUN: SW WINDS 10 TO 15 KT. GUSTS UP TO 30 KT IN THE AFTERNOON. WAVES 1 TO 2 FT. SHOWERS LIKELY WITH SCATTERED TSTMS. .SUN NIGHT...NW WINDS 10 TO 15 KT. GUSTS UP TO 30 KT IN THE EVENING. WAVES 3 TO 5 FT. A CHANCE OF SHOWERS.

MON: NW WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. WAVES 3 TO 5 FT. .MON NIGHT...SW WINDS 10 KT. GUSTS UP TO 25 KT IN THE EVENING. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.

TUE: W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.

WED: NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. WINDS AND WAVES HIGHER IN AND NEAR TSTMS. $$

Tidal Potomac from Indian Head to Cobb Island, MD

Expires:200805171915;;702306 FZUS51 KLWX 170757 CWFLWX COASTAL WATERS FORECAST NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 357 AM EDT SAT MAY 17 2008 TIDAL POTOMAC RIVER AND MARYLAND PORTION OF CHESAPEAKE BAY. FORECASTS OF WAVE HEIGHTS DO NOT INCLUDE EFFECTS OF WIND DIRECTION RELATIVE TO TIDAL CURRENTS. EXPECT HIGHER WAVES WHEN WINDS ARE BLOWING AGAINST THE TIDAL FLOW. ANZ535-536-171915- /O.EXT.KLWX.SC.Y.0071.000000T0000Z-080518T0600Z/ TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD- TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND- 357 AM EDT SAT MAY 17 2008 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH LATE TONIGHT...

TODAY: W WINDS AROUND 10 KT...INCREASING TO 15 TO 20 KT. WAVES 1 FT.

TONIGHT: SW WINDS 15 TO 20 KT...DECREASING TO 10 TO 15 KT AFTER MIDNIGHT. WAVES 1 FT.

SUN: SW WINDS 10 TO 15 KT. GUSTS UP TO 30 KT IN THE AFTERNOON. WAVES 1 TO 2 FT. SHOWERS LIKELY WITH SCATTERED TSTMS. .SUN NIGHT...NW WINDS 10 KT WITH GUSTS UP TO 25 KT. WAVES 1 TO 3 FT. A CHANCE OF SHOWERS.

MON: W WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. WAVES 1 TO 2 FT. .MON NIGHT...SW WINDS 10 KT. GUSTS UP TO 25 KT IN THE EVENING. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.

TUE: W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.

WED: NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. WINDS AND WAVES HIGHER IN AND NEAR TSTMS. $$

Tidal Potomac from Key Bridge to Indian Head, MD

TODAY: W WINDS AROUND 10 KT...INCREASING TO 15 TO 20 KT. WAVES 1 FT.

TONIGHT: SW WINDS 15 TO 20 KT...DECREASING TO 10 TO 15 KT AFTER MIDNIGHT. WAVES 1 FT.

MON: W WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. WAVES 1 TO 2 FT. .MON NIGHT...SW WINDS 10 KT. GUSTS UP TO 25 KT IN THE EVENING. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.

TUE: W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.

WED: NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. WINDS AND WAVES HIGHER IN AND NEAR TSTMS. $$

Tracked Points Within Maryland

Currently we track 90 specific meteorologic & oceanographic stations for tide schedules, sun phases, moon phases, temperature, forecast, hazard and bouy reports within Maryland. This region has approximately 131,400 data entries as of May 2008. Popular areas are indicated in bold.