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National Oceanographic Data Center

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, 14:02:24 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
58.1
Anchorage
AK
41.0 31 31 32 34 44 54 58 57 53 44 34 32
Juneau
AK
41.5 36 36 37 40 46 51 52 51 49 44 40 38
Ketchikan
AK
44.2
Kodiak
AK
41.2
Nikiski
AK
38.8
Nome
AK
32.4
Sand Point
AK
37.4
Seldovia
AK
40.3
Seward
AK
39.9
Sitka
AK
43.7
Yakutat
AK
41.9
Unalaska
AK
40.1
Valdez
AK
45.1

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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
47.1 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 52.0 40 36 41 45 49 54 58 61 63 66 67 68 68 66 63 58 56 51 42
Fall River
MA
55.9
Woods
Hole MA
52.2 34 35 37 44 47 54 56 61 65 70 72 72 71 69 66 62 56 50 41
Newport
RI
51.6 37 36 37 44 48 52 57 61 63 68 69 71 69 67 66 61 59 52 44
Conimicut
Light RI
55.0
New Haven
CT
52.0
New London
CT
  37 37 40 47 51 54 59 62 66 68 72 72 71 70 67 62 57 52 42
Providence
CT
54.0
Quonset
Point CT
53.4

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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
57.6
Montauk
NY
50.5 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
58.1 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
53.8 37 35 42 46 50 54 58 62 64 69 70 72 73 72 67 63 58 53 44
Cape May
NJ
60.8 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 60.6
Newbold PA 64.2
Philadelphia PA 63.3
Brandywine
Shoal Light DE
60.1
Delaware
City DE
64.6
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
66.4 40 37 43 51 57 61 67 70 75 77 78 79 79 77 72 66 61 54 43
Chesapeake
City MD
65.1
Ocean
City MD
  37 34 42 48 51 53 58 60 65 68 69 71 71 71 69 65 59 53 44
Reddy Point
MD
63.9
Solomons
Island MD
65.5 37 37 43 50 55 61 66 72 75 79 81 82 84 79 73 66 61 57 45
Tolchester
Beach MD
63.7
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
65.7
Kiptopeke VA 64.9 36 39 46 51 56 60 66 70 69 76 77 78 77 76 74 66 61 54 44
Lewisetta, VA 64.4
Money Point, VA 76.3
Virginia
Beach
VA
59.0
Yorktown, VA 65.8
Cape
Hatteras
NC
  49 46 52 58 60 68 68 72 75 76 79 80 80 78 75 72 68 58 55
Duck
NC
55.2
Myrtle
Beach
SC
  48 50 55 62 66 70 75 77 80 81 83 83 82 81 79 72 67 61 53
Charleston
SC
74.3 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
72.1 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
73.6 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 50.4 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 54.3 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 37.9
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 48.0
Oswego, NY 53.8 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 43.0

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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 81.3 69 70 75 78 82 85 87 87 86 82 76 72
Naples FL 84.2 66 66 71 77 82 86 87 87 86 81 73 68
St. Petersburg
FL
81.9 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
  51 53 60 70 75 82 84 84 80 72 62 56
Coast Guard
Sector Mobile AL
75.6
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 78.6
Eagle Point, TX 77.4
Freeport TX 78.6 53 56 62 71 77 82 84 85 82 75 66 59
Galveston Pleasure
Pier, TX
77.5 54 55 61 71 78 83 86 86 83 75 67 59
Galveston Bay Entrance,
North Jetty, TX
75.0
Galveston Channel TX 76.3
Morgans Point, TX 75.7
Port Aransas, TX 78.1
Port Mansfield, TX 83.1 58 61 66 75 79 83 85 85 83 76 69 62
Rockport, TX 80.2
Sabine Pass
North TX
78.1
South Padre Island TX 80.2 58 60 64 70 77 79 79 80 83 78 71 64
Buoy 42001 78.1 73 71 70 74 78 82 84 85 84 81 77 75
Buoy 42002 78.8 71 69 70 73 77 82 85 86 84 82 78 74
Buoy 42003 80.8 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
79.0 76 76 76 76 78 79 80 80 81 81 79 77
Hilo
Hawaii Island
75.9 72 72 71 72 72 74 74 75 75 75 74 73
Kahului
Maui Island
77.9
Kawaihae
Hawaii Island
77.7
Mokuoloe, Oahu Island 77.2
Nawilinii
Kauai Island
77.9

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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
43.9 50 50 50 50 50 50 51 51 51 51 51 51 53 53 53 52 52 52 51
Charleston
OR
47.5 50 50 51 51 52 52 53 54 55 55 55 55 55 55 55 53 53 53 50
Newport
OR
47.8 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
50.4 47 48 49 50 51 52 54 55 56 57 57 58 58 57 57 56 55 53 50
Astoria
OR
53.6 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
48.0 45 46 47 48 49 50 51 52 53 53 53 53 53 53 52 52 51 49 47
Port
Townsend
WA
47.3 44 44 46 47 48 49 50 51 52 53 54 54 54 54 53 52 51 50 46
Seattle
WA
47.7 47 46 46 48 49 50 51 53 54 55 56 56 56 56 55 54 53 51 49
Tacoma WA 47.1
Cherry Point
WA
47.5
Friday
Harbor
WA
47.1

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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 54.3 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 68.7
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 61.3 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 48.7 53 53 53 52 52 52 52 53 53 54 54 55 55 56 57 57 56 55 54
Bodega Bay CA 48.2 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 48.7 50 51 51 51 52 53 54 54 56 57 58 59 59 58 56 54 54 53 51
San Francisco
CA
51.6

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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
64.2 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
61.2 58 58 60 60 60 61 61 62 64 65 67 68 68 67 66 66 66 64 60
Santa Monica
CA
63.3 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
64.2

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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
85.1 84 84 84 84 83 82 81 81 81 82 83 83
Sand Island
Midway Islands
 
Kwajalein
Marshall Islands
82.9
Wake Island  

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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 14:02 UTC NODC.Webmaster@noaa.gov
 
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