Maryland Marine 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:	6:32 AM EST
Sunset:	4:53 PM EST

N/A High: ° Low: °

7-Day Forecast where available

Current Moon Phases

Nov 7	Nov 8	Nov 9	Nov 10	Nov 11	Nov 12
Waning Gibbous Showing: 70.1%	Waning Gibbous Showing: 60%	a Third Quarter Moon Showing: 49.4%	a Third Quarter Moon Showing: 38.9%	Waning Crescent Showing: 28.8%	Waning Crescent Showing: 19.7%

Baltimore Canyon to Hatteras Canyon

Expires:200911080900;;694860 FZNT22 KWBC 080249 OFFNT2 OFFSHORE WATERS FORECAST NWS OCEAN PREDICTION CENTER WASHINGTON DC 1000 PM EST SAT NOV 7 2009 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 1000 PM EST SAT NOV 7 2009 ...GALE FORCE WINDS EXPECTED WED...

OVERNIGHT: SW WINDS 15 TO 20 KT...EXCEPT OVER SE PORTION VARIABLE 10 KT OR LESS. SEAS 3 TO 5 FT...EXCEPT E OF 1000 FM 5 TO 8 FT EARLY...BECOMING 3 TO 6 FT THROUGHOUT LATE...HIGHEST N AND E.

SUN: WINDS BECOMING VARIABLE 10 KT OR LESS THROUGHOUT LATE. SEAS SUBSIDING TO 2 TO 5 FT...HIGHEST E. .SUN NIGHT...VARIABLE WINDS 10 KT OR LESS. SEAS SUBSIDING TO 2 TO 4 FT...HIGHEST E.

MON: VARIABLE WINDS 10 KT OR LESS...BECOMING S TO SE LATE. SEAS 1 TO 3 FT. .MON NIGHT...S TO SE WINDS 10 KT OR LESS. SEAS 2 TO 4 FT.

TUE: S TO SW WINDS INCREASING TO 10 TO 20 KT...EXCEPT OVER FAR NW PORTION SHIFTING TO NW 15 TO 25 KT LATE. SEAS 3 TO 5 FT.

WED: WINDS SHIFTING TO N AND INCREASING TO 25 TO 35 KT...THEN DIMINISHING TO 20 TO 30 KT LATE...BECOMING HIGHEST SE. SEAS BUILDING TO 8 TO 14 FT...HIGHEST S AND E LATE.

THU: N TO NE WINDS DIMINISHING TO 10 TO 15 KT. SEAS SUBSIDING TO 6 TO 10 FT...HIGHEST SE. $$

Chesapeake Bay from North Beach to Drum Point, MD

Expires:200911081415;;694672 FZUS51 KLWX 080233 CWFLWX COASTAL WATERS FORECAST NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 933 PM EST SAT NOV 7 2009 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.

- CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT- 933 PM EST SAT NOV 7 2009

OVERNIGHT: SW WINDS 10 KT. WAVES 2 TO 3 FT.

SUN: N WINDS 5 KT. WAVES 2 FT. .SUN NIGHT...S WINDS AROUND 5 KT. WAVES 1 FT.

MON: S WINDS 5 KT. WAVES LESS THAN 1 FT. .MON NIGHT...S WINDS 5 TO 10 KT. WAVES 1 FT.

TUE: N WINDS 5 TO 10 KT. WAVES 1 FT. .TUE NIGHT...N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.

WED: N WINDS 15 TO 20 KT. WAVES 4 FT...SUBSIDING TO 2 FT AFTER MIDNIGHT.

THU: W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. $$

Chesapeake Bay from Pooles Island to Sandy Point, MD

Expires:200911081415;;694667 FZUS51 KLWX 080233 CWFLWX COASTAL WATERS FORECAST NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 933 PM EST SAT NOV 7 2009 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.

- CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT- 933 PM EST SAT NOV 7 2009

OVERNIGHT: SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

SUN: W WINDS 5 KT. WAVES LESS THAN 1 FT. .SUN NIGHT...SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.

MON: S WINDS 5 TO 10 KT. WAVES 1 FT. .MON NIGHT...SW WINDS 5 KT. WAVES LESS THAN 1 FT.

TUE: N WINDS 5 TO 10 KT. WAVES 1 FT. .TUE NIGHT...N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.

WED: N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.

THU: W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. $$

Chesapeake Bay from Sandy Point to North Beach, MD

Expires:200911081415;;694670 FZUS51 KLWX 080233 CWFLWX COASTAL WATERS FORECAST NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 933 PM EST SAT NOV 7 2009 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.

- CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH- 933 PM EST SAT NOV 7 2009

OVERNIGHT: SW WINDS 10 KT. WAVES 1 TO 2 FT.

SUN: N WINDS 5 KT. WAVES LESS THAN 1 FT. .SUN NIGHT...S WINDS AROUND 5 KT. WAVES 1 FT.

MON: S WINDS 5 KT. WAVES LESS THAN 1 FT. .MON NIGHT...SW WINDS 5 TO 10 KT. WAVES 1 FT.

TUE: N WINDS 5 TO 10 KT. WAVES 1 FT. .TUE NIGHT...N WINDS 15 TO 20 KT. WAVES 2 FT.

WED: N WINDS 15 TO 20 KT. WAVES 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.

THU: W WINDS 10 TO 15 KT. WAVES 1 FT. $$

Chesapeake Bay north of Pooles Island, MD

Expires:200911081415;;694666 FZUS51 KLWX 080233 CWFLWX COASTAL WATERS FORECAST NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 933 PM EST SAT NOV 7 2009 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.

- CHESAPEAKE BAY NORTH OF POOLES ISLAND- 933 PM EST SAT NOV 7 2009

OVERNIGHT: SW WINDS 5 TO 10 KT. WAVES 1 FT.

SUN: W WINDS 5 TO 10 KT. WAVES 1 FT. .SUN NIGHT...SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.

MON: S WINDS 5 TO 10 KT. WAVES 1 FT. .MON NIGHT...SW WINDS 5 KT. WAVES LESS THAN 1 FT.

TUE: N WINDS 5 TO 10 KT. WAVES 1 FT. .TUE NIGHT...N WINDS 15 TO 20 KT. WAVES 2 FT.

WED: N WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.

THU: W WINDS 10 TO 15 KT. WAVES 1 FT. $$

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

Expires:200911081415;;694662 FZUS51 KLWX 080233 CWFLWX COASTAL WATERS FORECAST NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 933 PM EST SAT NOV 7 2009 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.

- 933 PM EST SAT NOV 7 2009 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... HIGH PRESSURE WILL SLOWLY DRIFT SOUTH OF THE WATERS BUT REMAIN IN CONTROL THROUGH EARLY NEXT WEEK. THE NEXT COLD FRONT WILL APPROACH TOWARDS THE MIDDLE OF NEXT WEEK. SMALL CRAFT CONDITIONS ARE POSSIBLE TUESDAY INTO WEDNESDAY OF NEXT WEEK. $$

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

Expires:200911081415;;694665 FZUS51 KLWX 080233 CWFLWX COASTAL WATERS FORECAST NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 933 PM EST SAT NOV 7 2009 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.

- TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT- 933 PM EST SAT NOV 7 2009

OVERNIGHT: SW WINDS 10 KT. WAVES 1 FT.

SUN: W WINDS 5 TO 10 KT...BECOMING NE IN THE AFTERNOON. WAVES 1 FT. .SUN NIGHT...SE WINDS AROUND 5 KT. WAVES 1 FT.

MON: S WINDS 5 KT. WAVES LESS THAN 1 FT. .MON NIGHT...S WINDS 5 KT. WAVES LESS THAN 1 FT.

TUE: NW WINDS 5 KT. WAVES LESS THAN 1 FT. .TUE NIGHT...N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.

WED: N WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.

THU: W WINDS 10 TO 15 KT. WAVES 1 FT. $$

Tidal Potomac from Indian Head to Cobb Island, MD

Expires:200911081415;;694664 FZUS51 KLWX 080233 CWFLWX COASTAL WATERS FORECAST NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 933 PM EST SAT NOV 7 2009 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.

- TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND- 933 PM EST SAT NOV 7 2009

OVERNIGHT: SW WINDS 5 KT. WAVES LESS THAN 1 FT.

SUN: N WINDS 5 KT. WAVES LESS THAN 1 FT. .SUN NIGHT...SE WINDS 5 KT. WAVES LESS THAN 1 FT.

MON: S WINDS 5 TO 10 KT. WAVES 1 FT. .MON NIGHT...SW WINDS AROUND 5 KT. WAVES 1 FT.

TUE: N WINDS 5 TO 10 KT. WAVES 1 FT. .TUE NIGHT...N WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.

WED: N WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.

THU: W WINDS 5 TO 10 KT. WAVES 1 FT. $$

Tidal Potomac from Key Bridge to Indian Head, MD

Expires:200911081415;;694663 FZUS51 KLWX 080233 CWFLWX COASTAL WATERS FORECAST NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 933 PM EST SAT NOV 7 2009 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.

- TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD- 933 PM EST SAT NOV 7 2009

OVERNIGHT: SW WINDS 5 KT. WAVES LESS THAN 1 FT.

SUN: NE WINDS AROUND 5 KT. WAVES 1 FT. .SUN NIGHT...SE WINDS 5 KT. WAVES LESS THAN 1 FT.

MON: S WINDS 5 TO 10 KT. WAVES 1 FT. .MON NIGHT...SW WINDS 5 KT. WAVES LESS THAN 1 FT.

TUE: N WINDS 5 KT. WAVES LESS THAN 1 FT. .TUE NIGHT...N WINDS 10 TO 15 KT. WAVES 1 FT.

WED: N WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.

THU: W WINDS 5 TO 10 KT. WAVES 1 FT. $$

SST MAPS

For Sea Surface Temperature Maps visit Sea Temps

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 Nov 2009. Popular areas are indicated in bold.