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Coastal Water Temperature Guide
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Coastal Water Temperatures

Note:

— Use the near real time water temperature data with discretion, because they have NOT been quality control processed and may contain errors.

— Please notify us if a temperature value seems out of range.

— Clicking on the hyperlinked "Recent Temperatures" in the table below will display station information for the location.

— Non-linked temperatures in the monthly columns are average water temperatures based on the historical data collected from given locations.

— Water Temperatures are in Degrees Fahrenheit (°F). To convert to Degrees Celsius (°C), see conversion box below the table.


Recent Temperatures Last Updated: Fri May 09, 20:02:16 UTC 2008  (Time Conversion Table)

Alaska Coast

Location Recent
Temperatures		 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Adak Island
AK		 58.5
Anchorage
AK		 40.5 31 31 32 34 44 54 58 57 53 44 34 32
Juneau
AK		 42.3 36 36 37 40 46 51 52 51 49 44 40 38
Ketchikan
AK		 44.6
Kodiak
AK		 41.4
Nikiski
AK		 38.8
Nome
AK		 32.4
Sand Point
AK		 37.6
Seldovia
AK		 40.6
Seward
AK		 43.2
Sitka
AK		 44.8
Yakutat
AK		 42.4
Unalaska
AK		 39.7
Valdez
AK		 46.0

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Atlantic Coast: North

Location Recent
Temperatures		 JAN FEB MAR APR
1-15		 APR
16-30		 MAY
1-15		 MAY
16-31		 JUN
1-15		 JUN
16-30		 JUL
1-15		 JUL
16-31		 AUG
1-15		 AUG
16-31		 SEP
1-15		 SEP
16-30		 OCT
1-15		 OCT
16-31		 NOV DEC
Bar Harbor
ME		   38 36 38 42 45 47 51 54 56 58 60 63 60 58 57 55 53 52 44
Eastport
ME		   40 37 38 39 41 43 44 46 46 50 51 51 51 52 51 50 49 45 45
Portland
ME		 49.1 34 33 37 39 41 47 51 54 57 60 61 62 61 59 58 54 50 47 39
Portsmouth
Harbor NH		   40 35 37 41 45 48 52 54 56 60 60 63 60 60 57 53 51 48 41
Boston MA 50.9 40 36 41 45 49 54 58 61 63 66 67 68 68 66 63 58 56 51 42
Fall River
MA		 56.1
Woods
Hole MA		 52.2 34 35 37 44 47 54 56 61 65 70 72 72 71 69 66 62 56 50 41
Conimicut
Light RI		 56.5
Quonset
Point RI		 53.4
Newport
RI		 51.6 37 36 37 44 48 52 57 61 63 68 69 71 69 67 66 61 59 52 44
Providence
RI		 56.3
New Haven
CT		 51.8
New London
CT		   37 37 40 47 51 54 59 62 66 68 72 72 71 70 67 62 57 52 42

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Atlantic Coast: Central

Location Recent
Temperatures		 JAN FEB MAR APR
1-15		 APR
16-30		 MAY
1-15		 MAY
16-31		 JUN
1-15		 JUN
16-30		 JUL
1-15		 JUL
16-31		 AUG
1-15		 AUG
16-31		 SEP
1-15		 SEP
16-30		 OCT
1-15		 OCT
16-31		 NOV DEC
Bergen
Point NY		 58.5
Kings
Point NY		 56.1
Montauk
NY		 48.9 36 35 38 42 46 50 54 59 62 67 70 70 70 69 66 62 57 56 43
Sandy
Hook NJ		   37 36 40 44 48 52 58 60 63 67 71 72 72 70 66 61 57 51 43
The Battery
NY		 57.7 38 36 41 45 49 54 60 64 67 70 73 74 73 72 68 63 58 53 43
Willets
Point NY		   35 34 39 45 49 54 59 63 66 70 71 73 73 72 69 64 59 54 42
Atlantic
City NJ		 55.4 37 35 42 46 50 54 58 62 64 69 70 72 73 72 67 63 58 53 44
Cape May
NJ		 60.6 37 37 42 48 51 56 62 67 69 71 74 74 73 73 70 63 58 52 42
Ship John Shoal
NJ		  
Marcus Hook PA 59.7
Newbold PA 63.9
Philadelphia PA 63.1
Brandywine
Shoal Light DE		 59.7
Delaware
City DE		 63.7
Lewes
DE		 60.4 37 36 41 49 53 58 62 66 69 71 74 76 75 73 70 65 58 52 44
Annapolis
MD		   36 35 42 50 54 58 63 69 74 76 78 78 77 75 71 66 60 53 45
Baltimore
MD		 66.0 40 37 43 51 57 61 67 70 75 77 78 79 79 77 72 66 61 54 43
Chesapeake
City MD		 64.6
Ocean
City MD		 58.8 37 34 42 48 51 53 58 60 65 68 69 71 71 71 69 65 59 53 44
Reddy Point
MD		 63.1
Solomons
Island MD		 66.2 37 37 43 50 55 61 66 72 75 79 81 82 84 79 73 66 61 57 45
Tolchester
Beach MD		 64.4
Washington
DC		 65.7 37 37 46 54 61 64 71 74 79 80 83 83 81 78 72 64 58 52 41

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Atlantic Coast: South

Location Recent
Temperatures		 JAN FEB MAR APR
1-15		 APR
16-30		 MAY
1-15		 MAY
16-31		 JUN
1-15		 JUN
16-30		 JUL
1-15		 JUL
16-31		 AUG
1-15		 AUG
16-31		 SEP
1-15		 SEP
16-30		 OCT
1-15		 OCT
16-31		 NOV DEC
Chesapeake
Bay Bridge
Tunnel VA 		65.1
Kiptopeke VA 65.3 36 39 46 51 56 60 66 70 69 76 77 78 77 76 74 66 61 54 44
Lewisetta, VA 63.1
Money Point, VA 76.6
Virginia
Beach
VA		 60.3
Yorktown, VA 66.7
Cape
Hatteras
NC 		  49 46 52 58 60 68 68 72 75 76 79 80 80 78 75 72 68 58 55
Duck
NC 		54.3
Myrtle
Beach
SC 		  48 50 55 62 66 70 75 77 80 81 83 83 82 81 79 72 67 61 53
Charleston
SC 		75.0 50 50 57 64 68 71 75 79 80 82 84 84 83 82 79 73 68 63 54
Daytona
Beach
FL		   61 59 65 70 73 75 78 79 80 80 80 80 81 83 82 79 76 71 65
Savannah
Beach
GA 		72.9 51 52 59 65 69 72 76 79 82 84 86 85 84 83 80 75 70 64 54
Fernandina
Beach FL
(Offshore) 		 
Fernandina
Beach FL 		  55 55 62 68 72 75 78 81 81 83 84 84 84 83 81 76 72 66 58
Miami
Beach
FL 		  71 73 75 78 78 80 81 84 85 86 86 86 84 84 83 83 79 76 73
St Augustine
Beach FL		 74.8 57 56 61 68 71 74 77 80 81 83 84 83 83 83 82 78 72 67 60
Stuart
Beach
FL 		  67 66 70 71 74 75 78 79 79 79 79 80 80 81 80 79 77 75 70

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Great Lakes

Location Recent
Temperatures		 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Buffalo, NY 51.3 34.31 28.35 33.14 46.09 55.75 64.67 72.23 70.20 60.63 49.95 44.05 37.65
Cleveland, OH 55.8 38.67 38.81 41.85 48.90 55.59 68.83 74.97 74.54 70.03 58.22 50.11 44.12
Marblehead, OH 55.2 34.24 33.83 37.23 49.27 59.50 72.26 75.19 77.00 68.21 55.37 45.18 39.01
Toledo, OH   53.90 51.01 50.41 50.34 52.20 52.58 53.88 55.72 57.84 58.97 57.90 55.92
Harbor Beach, MI  
Alpena, MI 48.7
S.W.Pier, MI 38.1
West Neebish
Island, MI		 42.6
De Tour Village, MI 41.5 27.94 27.44 31.02 39.14 48.36 59.98 64.91 63.64 60.31 47.03 38.05 30.25
Ludington, MI 51.4 45.91 44.79 42.98 48.17 52.10 56.65 59.27 61.35 60.48 56.44 53.04 49.52
Port Inland, MI 47.3
Oswego, NY 59.5 49.45 48.10 47.53 48.91 52.10 56.94 61.94 64.74 64.38 62.42 57.60 53.67
Point Iroquois, MI 39.9 41.51 42.80 42.27 44.76 46.96 52.96 56.22 56.37 53.98 47.51 43.51 41.10
Marquette C.G., MI 41.9 44.76 42.76 45.37 46.10 48.23 53.27 55.07 55.62 54.30 48.89 45.10 41.64
Rock Cut, MI 43.3

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Gulf of Mexico Coast: Eastern

Location Recent
Temperatures		 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Key West FL 82.0 69 70 75 78 82 85 87 87 86 82 76 72
Naples FL 86.4 66 66 71 77 82 86 87 87 86 81 73 68
St. Petersburg
FL		 83.1 62 64 68 74 80 84 86 86 84 78 70 64
Port Manatee
FL		  
Cedar Key FL   58 60 66 73 80 84 86 86 83 76 66 60
Pensacola FL   56 58 63 71 78 84 85 86 82 74 65 58
Dauphin
Island AL		 77.9 51 53 60 70 75 82 84 84 80 72 62 56
Coast Guard
Sector Mobile AL		 76.3
Mobile State
Docks AL		 74.7
Grand Isle LA   61 61 64 70 77 83 85 85 83 77 70 65
Eugene Island LA   51 53 60 68 76 83 85 85 82 74 63 55

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Gulf of Mexico Coast: Western

Location Recent
Temperatures		 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Corpus Christi Point, TX 79.7
Eagle Point, TX 79.9
Freeport TX 77.7 53 56 62 71 77 82 84 85 82 75 66 59
Galveston Pleasure
Pier, TX		 78.4 54 55 61 71 78 83 86 86 83 75 67 59
Galveston Bay Entrance,
North Jetty, TX		 75.9
Galveston Channel TX 76.1
Morgans Point, TX 76.6
Port Aransas, TX 77.2
Port Mansfield, TX 83.7 58 61 66 75 79 83 85 85 83 76 69 62
Rockport, TX 81.0
Sabine Pass
North TX		 78.4
South Padre Island TX 79.5 58 60 64 70 77 79 79 80 83 78 71 64
Buoy 42001 78.6 73 71 70 74 78 82 84 85 84 81 77 75
Buoy 42002 79.7 71 69 70 73 77 82 85 86 84 82 78 74
Buoy 42003 81.7 75 76 77 78 80 83 85 85 84 82 81 79

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Hawaiian Island Coast

Location Recent
Temperatures		 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Honolulu
Oahu Island		 78.4 76 76 76 76 78 79 80 80 81 81 79 77
Hilo
Hawaii Island		 75.7 72 72 71 72 72 74 74 75 75 75 74 73
Kahului
Maui Island		 77.5
Kawaihae
Hawaii Island		 77.5
Mokuoloe, Oahu Island 77.0
Nawilinii
Kauai Island		 77.4

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Pacific Coast: North

Location Recent
Temperatures		 JAN FEB MAR APR
1-15		 APR
16-30		 MAY
1-15		 MAY
16-31		 JUN
1-15		 JUN
16-30		 JUL
1-15		 JUL
16-31		 AUG
1-15		 AUG
16-31		 SEP
1-15		 SEP
16-30		 OCT
1-15		 OCT
16-31		 NOV DEC
Port
Orford
OR		 44.4 50 50 50 50 50 50 51 51 51 51 51 51 53 53 53 52 52 52 51
Charleston
OR		 51.3 50 50 51 51 52 52 53 54 55 55 55 55 55 55 55 53 53 53 50
Newport
OR		 52.0 49 50 50 50 50 51 53 55 55 55 55 55 55 55 56 54 53 53 52
Seaside
OR		   49 49 50 51 51 53 55 57 58 58 58 58 58 58 57 55 54 53 51
Columbia
River
Lightship
OR		 51.4 47 48 49 50 51 52 54 55 56 57 57 58 58 57 57 56 55 53 50
Astoria
OR		 54.9 42 42 46 48 52 56 58 60 62 64 67 68 67 67 64 61 57 52 45
Umatilla
Lightship
WA		   48 47 47 48 49 50 51 53 54 54 55 55 55 56 56 54 53 52 50
Longview WA  
Neah
Bay
WA		 49.1 45 46 47 48 49 50 51 52 53 53 53 53 53 53 52 52 51 49 47
Port
Townsend
WA		 48.6 44 44 46 47 48 49 50 51 52 53 54 54 54 54 53 52 51 50 46
Seattle
WA		 47.8 47 46 46 48 49 50 51 53 54 55 56 56 56 56 55 54 53 51 49
Tacoma WA 48.0
Cherry Point
WA		 48.7
Friday
Harbor
WA		 47.8

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Pacific Coast: Central

Location Recent
Temperatures		 JAN FEB MAR APR
1-15		 APR
16-30		 MAY
1-15		 MAY
16-31		 JUN
1-15		 JUN
16-30		 JUL
1-15		 JUL
16-31		 AUG
1-15		 AUG
16-31		 SEP
1-15		 SEP
16-30		 OCT
1-15		 OCT
16-31		 NOV DEC
Avila Beach CA 52.9 55 56 55 54 54 55 55 56 57 58 60 60 60 60 60 59 59 57 55
Morro Bay CA   54 54 54 53 54 54 55 56 57 57 58 58 58 58 58 57 57 56 55
Point Lobos CA (south)   53 53 52 52 51 51 51 52 53 53 54 54 55 55 56 55 55 55 53
Monterey CA 52.9
Redwood City
CA		 62.2
Richmond CA 70.0
Pacific Grove CA   53 54 54 54 55 55 55 56 57 57 57 57 57 58 58 57 56 55 55
Santa Cruz CA   53 54 54 54 54 55 55 56 57 58 59 59 60 60 59 59 59 56 54
Alameda CA 62.4 51 54 56 57 60 62 63 64 65 66 66 66 66 66 65 64 61 58 53
Fort Point CA   53 53 54 54 55 55 55 56 58 58 58 59 60 60 60 59 58 56 55
Southeast Farallon Island CA 50.0 53 53 53 52 52 52 52 53 53 54 54 55 55 56 57 57 56 55 54
Bodega Bay CA 49.3 52 52 52 51 50 50 50 51 51 51 53 53 54 54 55 55 54 54 53
Fort Ross CA   52 52 51 50 49 49 49 50 50 51 52 52 53 53 54 54 54 54 53
Mendocino CA   52 52 50 50 50 50 50 51 51 51 51 52 52 53 53 54 53 53 53
Blunts Reef Lightship CA   52 52 51 50 50 50 50 51 51 51 51 51 51 52 52 53 53 53 53
Trinidad CA   51 51 52 50 51 50 50 51 51 53 53 53 55 55 54 54 54 53 51
Crescent City CA 50.4 50 51 51 51 52 53 54 54 56 57 58 59 59 58 56 54 54 53 51
San Francisco
CA		 55.4

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Pacific Coast: South

Location Recent
Temperatures		 JAN FEB MAR APR
1-15		 APR
16-30		 MAY
1-15		 MAY
16-31		 JUN
1-15		 JUN
16-30		 JUL
1-15		 JUL
16-31		 AUG
1-15		 AUG
16-31		 SEP
1-15		 SEP
16-30		 OCT
1-15		 OCT
16-31		 NOV DEC
Scripps Pier
CA		 63.7 58 57 58 59 60 61 63 64 65 66 67 68 68 66 66 65 63 61 59
Oceanside
CA		   57 57 58 59 60 61 62 63 65 66 67 69 69 67 66 65 63 61 59
San Clemente
CA		   57 57 58 58 59 60 61 63 63 64 66 68 67 66 66 65 63 61 58
Avalon
CA		   58 57 58 58 59 60 62 62 64 66 67 69 70 69 68 68 66 63 60
Dana Point
CA		   57 57 59 60 62 62 63 65 67 67 68 68 68 67 66 65 64 61 58
Balboa
CA		   57 57 58 59 59 60 62 63 64 65 66 67 67 65 65 65 63 61 59
Newport Beach
CA		   58 60 60 60 61 63 64 66 66 69 69 70 69 69 68 68 65 64 61
Los Angeles
CA		 61.3 58 58 60 60 60 61 61 62 64 65 67 68 68 67 66 66 66 64 60
Santa Monica
CA		 63.9 57 57 58 58 59 60 61 63 65 66 67 68 68 67 66 65 63 61 59
Zuma Beach
CA		   57 57 57 57 57 57 58 59 60 61 63 66 66 65 64 64 62 61 58
Point Mugu
CA		   57 57 56 55 54 55 56 58 58 59 60 62 61 61 62 62 60 60 59
Anacapa Island
CA		   56 56 56 56 57 58 59 60 61 63 64 65 65 65 64 64 63 61 59
Port Hueneme
CA		   56 56 56 56 56 57 57 58 60 60 62 62 62 62 62 62 61 60 58
Ventura
CA		   55 57 58 59 59 60 61 62 64 64 65 67 67 66 65 65 62 60 56
Santa Barbara
CA		   56 57 57 58 58 59 60 61 62 63 63 64 65 64 64 64 62 60 57
Gaviota
CA		   57 57 56 56 57 57 58 58 60 62 63 64 64 64 63 62 62 61 58
San Diego
Bay CA		 64.0

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Other Atlantic Sites

Location Recent
Temperatures		 JAN FEB MAR APR
1-15		 APR
16-30		 MAY
1-15		 MAY
16-31		 JUN
1-15		 JUN
16-30		 JUL
1-15		 JUL
16-31		 AUG
1-15		 AUG
16-31		 SEP
1-15		 SEP
16-30		 OCT
1-15		 OCT
16-31		 NOV DEC
San Juan P.R.   77 78 78 79 80 80 81 81 82 81 81 83 83 83 83 83 82 81 80
Bermuda   64 63 64 66 67 72 76 78 79 82 84 83 82 80 79 77 74 70 65

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Other Pacific Islands

Location Recent
Temperatures		 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Pago Pago Am.
Samoa		 85.3 84 84 84 84 83 82 81 81 81 82 83 83
Sand Island
Midway Islands		  
Kwajalein
Marshall Islands		 82.8
Wake Island 82.2

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To convert temperature units, enter a number in either box below, then click the other box.
Temperature Conversion:  Degrees Fahrenheit (°F) = Degrees Celsius (°C)
  Last modified:    Fri, 9-May-2008 20:02 UTC NODC.Webmaster@noaa.gov
 
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