SEA LEVEL STATION MONITORING FACILITY
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Stations monitored by National Ocean Service-NOAA ( USA )

Status at 2026-09-11 08:11 GMT : 229 stations listed ordered by interval
Show: Info:
Code GLOSS ID Country Location Connection DCP ID Last observation
Level    Time in GMT		 Delay Transmit
Interval		 View
nawi USA Nawiliwili, Kauai web 0.09 08:03 8' 1'   [open]  
cwfl USA Clearwater Beach FL web 3358C142 0.54 08:03 8' 5'   [open]  
gila USA Grand Isle, LA web 335DA364 0.28 08:03 8' 5'   [open]  
gptx 217 USA Galveston Pier TX web 336AB456 0.46 08:03 8' 5'   [open]  
dpnc 219 USA Duck Pier NC web 335DD5F4 0.26 08:03 8' 5'   [open]  
cwfl2 USA Clearwater Beach FL SXXX50 3358C142 -5.46 08:02 9' 5'   [open]  
alam2 USA Alameda CA SXXX03 33A5052E -4.31 2017-12-02 21:06 3204d 5'   [open]  
atka USA Atka, AK web 0.47 08:03 8' 5'   [open]  
wlms USA Bay Waveland Yacht Club, MS web 33456542 0.59 08:09 2' 6'   [open]  
cpla USA Calcasieu Pass, LA web 3368C732 0.69 08:03 8' 6'   [open]  
dial USA Dauphin Island AL web 335752B2 0.4 08:03 8' 6'   [open]  
fpnt 158 USA Ft Point,San Fran web 336172E0 1.92 08:03 8' 6'   [open]  
lajo 159 USA La Jolla CA web 3361F4F4 0.95 08:00 11' 6'   [open]  
sanj 206 USA San Juan PR web 335CA19E 0.25 08:03 8' 6'   [open]  
kwfl 216 USA Key West FL web 0.28 08:09 2' 6'   [open]  
amal2 USA Charlotte-Amalie VI SXXX03 3364A348 -3.84 08:03 8' 6'   [open]  
anch2 USA Anchorage AK SXXX03 3363B20A -1.88 08:02 9' 6'   [open]  
apfl2 USA Apalachicola FL SXXX03 3346C2B4 -4.6 08:03 8' 6'   [open]  
aren2 USA Arena Cove CA SXXX03 336AF75C -5.35 08:03 8' 6'   [open]  
asto2 USA Astoria OR SZPZ34 ASTO3 2.64 08:03 8' 6'   [open]  
bame2 USA Bar Harbor ME SXXX03 336747B4 -5.9 08:02 9' 6'   [open]  
benc2 USA Beaufort NC SXXX03 3364C6AE -3.61 08:03 8' 6'   [open]  
bgct2 USA Bridgeport CT SXXX03 3372E712 -6 08:03 8' 6'   [open]  
btny2 USA Battery The NY SXXX03 336670D4 2026-05-13 15:45 121d 6'   [open]  
cbmd2 USA Cambridge MD SXXX03 3366E5B6 -2.21 08:03 8' 6'   [open]  
char2 USA Charleston, OR SXXX03 336874BC -3.12 08:02 9' 6'   [open]  
chrp2 USA Cherry Point WA SXXX03 336BB6AC -4.97 2025-07-24 19:16 414d 6'   [open]  
cmnj2 USA Cape May NJ SXXX03 335D53E0 -5.07 08:03 8' 6'   [open]  
cord2 USA Cordova AK SXXX03 335FA690 -5.35 2024-09-05 19:03 736d 6'   [open]  
cres2 USA Crescent City CA SXXX03 33622592 -2.54 2026-08-17 19:14 25d 6'   [open]  
cule2 USA Culebra Is PR SXXX03 3358913E -2.97 2024-02-16 21:27 937d 6'   [open]  
cwme2 USA Cutler Farris Wharf, ME SXXX03 33672252 -6.86 08:02 9' 6'   [open]  
dutc2 102 USA Dutch Hbr Unalaska SXXX03 3360A672 -2.92 08:04 7' 6'   [open]  
elak2 USA Elfin Cove AK SXXX03 33604580 -4.81 08:03 8' 6'   [open]  
epme2 USA East Port ME SXXX03 3365875E -8.9 08:02 9' 6'   [open]  
fbfl2 USA Fernadina Beach FL SXXX03 336782AA -4.49 2026-03-12 14:21 183d 6'   [open]  
fmfl2 USA Fort Myers FL SXXX03 336754C2 -2.61 08:03 8' 6'   [open]  
fpga2 289 USA Fort Pulaski GA SXXX03 335F151E -5.31 08:03 8' 6'   [open]  
fpnt2 158 USA Ft Point,San Fran SXXX03 336172E0 -0.84 07:56 15' 6'   [open]  
guam2 149 USA Guam (Apra Harbor) SZPA37 APRP7 0.51 07:56 15' 6'   [open]  
hilo2 287 USA Hilo, Hawaii SXXX03 334934A2 -3.5 08:02 9' 6'   [open]  
hono2 108 USA Honolulu, Oahu SXXX03 3351410A -2.98 07:57 14' 6'   [open]  
kahu2 USA Kahului, Maui SXXX03 33518414 -5.52 07:57 14' 6'   [open]  
kawa2 USA Kawaihae, Hawaii SXXX03 335FC376 -2.49 2025-10-13 23:50 332d 6'   [open]  
kodi2 USA Kodiak Island, AK SXXX03 33A4E426 2024-08-17 17:56 755d 6'   [open]  
kwaj2 111 Marshall Islands Kwajalein MH SXXX03 3362A386 -0.67 2025-03-07 22:37 552d 6'   [open]  
lajo2 159 USA La Jolla CA SXXX03 3361F4F4 -9.99 2026-05-19 09:38 115d 6'   [open]  
lame2 USA LameshurBayStJohnVI SXXX03 335D10EA -2.14 07:57 14' 6'   [open]  
lime2 USA Limetree VI SXXX03 3364B03E -3.61 08:03 8' 6'   [open]  
magi2 USA Magueyes Island PR SXXX03 3364E042 -3.46 2025-07-12 18:09 426d 6'   [open]  
midx2 106 USA Midway SZPA37 SNDP5 0.4 07:58 13' 6'   [open]  
mont2 USA Monterey SZPZ34 MEYC1 1.47 08:03 8' 6'   [open]  
mony2 USA Montauk, NY SXXX03 33401412 -4.21 08:02 9' 6'   [open]  
nspi2 USA North Spit, Humboldt SZPZ34 HBYC1 2.42 07:56 15' 6'   [open]  
pnfl2 288 USA Pensacola FL SXXX03 33A02AD0 -3.97 08:02 9' 6'   [open]  
prud2 151 USA Prudhoe Bay AK SXXX03 33A4A9FE -3.68 2025-10-13 23:45 332d 6'   [open]  
psla2 USA Pilots Station East, SW Pass, LA SXXX03 336A44D2 -4.62 07:56 15' 6'   [open]  
pslu2 USA Port San Luis CA SXXX03 336A07D8 -3.88 2025-10-13 23:45 332d 6'   [open]  
sanj2 206 USA San Juan PR SXXX03 335CA19E -2.74 07:57 14' 6'   [open]  
sbea2 157 USA South Beach OR SZPZ34 SBEO3 2.79 08:03 8' 6'   [open]  
sdpt2 100 USA Sand Point AK SXXX03 33602066 -2.96 08:02 9' 6'   [open]  
sewa2 150 USA Seward AK SXXX03 3350F07E -3.66 08:02 9' 6'   [open]  
sitk2 154 USA Sitka AK SXXX03 33A4BA88 -4.77 2025-10-13 23:50 332d 6'   [open]  
stcr2 USA St Croix VI SXXX03 3365B2C4 -2.67 08:03 8' 6'   [open]  
vieq2 USA Vieques PR SXXX03 335CC478 -3.16 07:57 14' 6'   [open]  
wake2 105 USA Wake US SZPA37 WAKP8 0.25 08:03 8' 6'   [open]  
wlms2 USA Bay Waveland Yacht Club, MS SXXX03 33456542 -8.21 08:03 8' 6'   [open]  
wood2 USA Woods Hole, MA SXXX03 3340A79C -4.1 08:02 9' 6'   [open]  
wpwa2 USA Westport, WA SZPZ34 WPTW1 2.97 08:03 8' 6'   [open]  
yaku2 USA Yakutat AK SXXX03 33A573BE -8.09 2025-09-03 01:13 373d 6'   [open]  
agua Puerto Rico Aguadilla (Crash Boat) SOVI10 A4F01158 -7.26 08:03 8' 6'   [open]  
bbst 221 Bermudas Bermuda Biological Station web 0.3 08:03 8' 6'   [open]  
bbst2 221 Bermudas Bermuda Biological Station2 SXXX03 334032FE -1.85 08:03 8' 6'   [open]  
gtdpr Puerto Rico Guayanilla, Puerto Rico SXXX03 A4F00CFC -3.44 08:03 8' 6'   [open]  
stdpr Puerto Rico Salinas, Puerto Rico SXXX03 A4F0022E -3.54 08:03 8' 6'   [open]  
paak2 USA Port Alexander web 3.07 08:02 9' 6'   [open]  
vald2 USA Valdez AK web 2.97 08:06 5' 6'   [open]  
acnj 220 USA Atlantic City NJ web 3367B730 0.46 08:03 8' 6'   [open]  
bmda 221 UK Bermuda St Georges web 0.37 08:02 9' 6'   [open]  
pago 144 Samoa Pago Pago AS web 336015FC 0.69 08:09 2' 6'   [open]  
guam 149 USA Guam (Apra Harbor) web 0.52 08:00 11' 6'   [open]  
sewa 150 USA Seward AK web 2.62 08:09 2' 6'   [open]  
prud 151 USA Prudhoe Bay AK web 0.56 08:09 2' 6'   [open]  
sitk 154 USA Sitka AK web 2.75 08:02 9' 6'   [open]  
sbea 157 USA South Beach OR web 3368974E 2.78 08:09 2' 6'   [open]  
nome 74 USA Nome AK web 0.87 08:06 5' 6'   [open]  
sdpt 100 USA Sand Point AK web 33602066 1.25 08:02 9' 6'   [open]  
wake 105 USA Wake US web 0.24 08:09 2' 6'   [open]  
midx 106 USA Midway web 3363A17C 0.4 08:04 7' 6'   [open]  
hono 108 USA Honolulu,Oahu web 0.12 08:09 2' 6'   [open]  
kwaj 111 Marshall Islands Kwajalein MH web 3362A386 0.19 08:02 9' 6'   [open]  
hilo 287 USA Hilo,Hawaii web 0.17 08:02 9' 6'   [open]  
pnfl 288 USA Pensacola FL web 33A02AD0 0.46 08:06 5' 6'   [open]  
fpga 289 USA Fort Pulaski GA web 335F151E 0.49 08:03 8' 6'   [open]  
adak 302 USA Adak AK web 3360F60E 0.54 08:06 5' 6'   [open]  
alak USA Alitak US web 3363341E 2.11 08:03 8' 6'   [open]  
alam USA Alameda CA web 2.25 08:03 8' 6'   [open]  
amal USA Charlotte-Amalie VI web 3364A348 0.24 08:00 11' 6'   [open]  
anch USA Anchorage AK web 15.96 2026-01-15 14:15 239d 6'   [open]  
apfl USA Apalachicola FL web 3346C2B4 0.65 08:03 8' 6'   [open]  
aren USA Arena Cove CA web 3368115A 1.82 07:56 15' 6'   [open]  
asto USA Astoria OR web 335086EE 2.64 08:03 8' 6'   [open]  
bamd USA Baltimore MD web 336577DA 0.29 08:00 11' 6'   [open]  
bame USA Bar Harbor ME web 336747B4 0.32 08:00 11' 6'   [open]  
benc USA Beaufort NC web 3364C6AE 0.32 08:03 8' 6'   [open]  
bgct USA Bridgeport CT web 0.59 08:00 11' 6'   [open]  
boma USA Boston MA web 335E54EE 0.8 08:00 11' 6'   [open]  
btny USA Battery The NY web 336670D4 0.05 08:03 8' 6'   [open]  
cbmd USA Cambridge MD web 3366E5B6 0.67 08:00 11' 6'   [open]  
char USA Charleston, OR web 336874BC 2.5 08:02 9' 6'   [open]  
chrp USA Cherry Point WA web 336BB6AC 1.25 08:03 8' 6'   [open]  
cmnj USA Cape May NJ web 335D53E0 0.19 08:03 8' 6'   [open]  
cord USA Cordova AK web 335FA690 3.13 08:03 8' 6'   [open]  
cres USA Crescent City CA web 33622592 2.18 08:03 8' 6'   [open]  
cule USA Culebra Is PR web 0.23 08:00 11' 6'   [open]  
kodi USA Kodiak Island, AK web 1.78 08:09 2' 6'   [open]  
apla USA Lawma, Amerada Pass, LA web 334773C0 0.62 08:03 8' 6'   [open]  
mony USA Montauk, NY web 33401412 0.08 08:09 2' 6'   [open]  
psla USA Pilots Station East, SW Pass, LA web 0.53 08:00 11' 6'   [open]  
wood USA Woods Hole, MA web 3340A79C 0.11 08:09 2' 6'   [open]  
yabu USA Yabucoa Harbor, PR SXXX03 3366B5CA -6.26 08:02 9' 6'   [open]  
isab Puerto Rico Isabel Segunda SXXX03 3366D02C -2.77 08:02 9' 6'   [open]  
aracS Puerto Rico Arecibo (GTS) SXXX03 3366454E -3.28 08:00 11' 6'   [open]  
pagx 144 Samoa Pago Pago AS SZPA37 NSTP6 0.69 08:03 8' 6'   [open]  
mona USA Mona Island PR web 3365E2B8 0.31 08:06 5' 6'   [open]  
cwme USA Cutler Farris Wharf, ME web 33672252 0.43 08:00 11' 6'   [open]  
mont USA Monterey web 33630184 1.39 08:09 2' 6'   [open]  
acnj2 220 USA Atlantic City NJ SXXX03 3367B730 -8.37 08:03 8' 6'   [open]  
adak2 302 USA Adak AK SXXX03 3360F60E -2.71 08:06 5' 6'   [open]  
alak2 USA Alitak US SXXX03 3363341E -4.93 08:03 8' 6'   [open]  
elak USA Elfin Cove AK web 33604580 2.72 08:02 9' 6'   [open]  
epme USA East Port ME web 3365875E 0.82 08:03 8' 6'   [open]  
faja Puerto Rico Fajardo PR SXXX03 3366C35A -3 08:02 9' 6'   [open]  
fbfl USA Fernadina Beach FL web 336782AA 0.26 08:03 8' 6'   [open]  
fmfl USA Fort Myers FL web 336754C2 0.56 08:03 8' 6'   [open]  
kahu USA Kahului, Maui web 0.31 08:09 2' 6'   [open]  
kawa USA Kawaihae, Hawaii web 0.11 08:09 2' 6'   [open]  
lame USA LameshurBayStJohnVI web 335D10EA 0.25 08:09 2' 6'   [open]  
lime USA Limetree VI web 3364B03E 0.29 08:03 8' 6'   [open]  
losa USA Los Angeles CA web 3360068A 1.65 2026-09-09 17:26 2d 6'   [open]  
magi USA Magueyes Island PR web 3364E042 0.01 2025-07-12 18:15 426d 6'   [open]  
maya Puerto Rico Mayaguez PR SXXX03 336633DE -2.78 07:57 14' 6'   [open]  
moku USA Mokuoloe,Oahu SZHW36 MOKH1 0.2 08:03 8' 6'   [open]  
mona2 USA Mona Island PR SXXX03 3365E2B8 -2.03 08:00 11' 6'   [open]  
nspi USA North Spit, Humboldt web 336837B6 2.4 08:02 9' 6'   [open]  
paak USA Port Alexander AK SXXX03 3360C394 -4.83 2025-06-03 18:35 465d 6'   [open]  
pslu USA Port San Luis CA web 336A07D8 1.23 08:08 3' 6'   [open]  
ptme USA Portland ME SXXX03 335F0668 -5.11 08:03 8' 6'   [open]  
sand USA San Diego CA SXXX03 336275EE -2.75 07:56 15' 6'   [open]  
stcr USA St Croix VI web 3365B2C4 0.28 08:09 2' 6'   [open]  
vieq USA Vieques PR web 335CC478 0.32 08:03 8' 6'   [open]  
wpwa USA Westport, WA web 3 08:09 2' 6'   [open]  
yaku USA Yakutat AK web 2.53 08:02 9' 6'   [open]  
dutc 102 USA Dutch Hbr Unalaska web 3360A672 0.19 08:03 8' 6'   [open]  
pagb USA Pago Bay, Guam web 0.32 08:00 11' 6'   [open]  
dacp USA DART South of Acapulco web 3424.97 06:00 2h 6h   [open]  
dadk USA DART SSE of Adak Island web 5604.23 06:00 2h 6h   [open]  
danc USA DART SSE of Cordova web 3724.81 06:00 2h 6h   [open]  
dapi Samoa DART NW of Apia web 4951.34 06:00 2h 6h   [open]  
dat2 USA DART E of Boston web 3988.71 06:00 2h 6h   [open]  
dat3 USA DART North of St Thomas web 5805.44 06:00 2h 6h   [open]  
datu USA DART South of Attu web 4717.94 06:00 2h 6h   [open]  
dber Bermudas DART SSW of Hamilton web 5222.76 06:00 2h 6h   [open]  
dcal USA DART West of Mendocino Bay web 4265.18 00:00 8h 6h   [open]  
dcar USA DART Southwest of San Juan web 4496.55 06:00 2h 6h   [open]  
dchr USA DART SE of Chirikof Island web 4673.69 06:00 2h 6h   [open]  
dchu USA DART South of Umnak Is web 5328.13 06:00 2h 6h   [open]  
dgal Perú DART WNW of Lima web 3969.89 06:00 2h 6h   [open]  
dgul USA DART South of New Orleans web 3198.13 06:00 2h 6h   [open]  
dgum Guam DART West of Agana web 5796.65 06:00 2h 6h   [open]  
dhai Canada DART West of Vancouver web 3392.72 06:00 2h 6h   [open]  
dhaw USA DART West of Kailua-Kona web 4731.52 06:00 2h 6h   [open]  
dhon USA DART NE of Guadalcanal web 1776.21 06:00 2h 6h   [open]  
djun USA DART SW of Juneau web 3560.14 00:00 8h 6h   [open]  
dkam USA DART SE of Kamchatka Peninsula web 5788.38 2026-09-01 00:00 10d 6h   [open]  
dkod USA DART SE of Kodiak web 4195.9 06:00 2h 6h   [open]  
dkur USA DART SE of Kuril Is. web 5321.39 06:00 2h 6h   [open]  
dkwa USA DART ESE of Saipan web 5885.27 06:00 2h 6h   [open]  
dmnz USA DART SW of Manzanillo web 3097.99 2025-12-05 17:00 280d 6h   [open]  
dmon USA DART SE of Fire Island web 2605.56 2026-05-21 17:00 113d 6h   [open]  
dnwp USA DART South of Amchitka web 5421.39 2026-09-10 18:00 14h 6h   [open]  
dorg USA DART West of Coos Bay web 3266.11 06:00 2h 6h   [open]  
dpan Panamá DART WSW of Panama City web 3200.68 2025-06-08 03:00 460d 6h   [open]  
dphi Philippines DART NE of Manila web 5863.66 06:00 2h 6h   [open]  
dpor USA DART West of Astoria web 2736.99 06:00 2h 6h   [open]  
dryu USA DART Southeast of Miyazaki web 4821.53 06:00 2h 6h   [open]  
dsai USA DART ENE of Saipan web 5561.49 06:00 2h 6h   [open]  
dsea USA DART WNW of Seattle web 2770.86 2026-07-23 05:00 50d 6h   [open]  
dsen USA DART NE of Tokyo web 5693.41 06:00 2h 6h   [open]  
dshu USA DART SE of Shumagin Is web 4512.63 06:00 2h 6h   [open]  
dstl USA DART NNE of Santo Domingo web 5773.46 06:00 2h 6h   [open]  
dtok USA DART ESE of Tokyo web 5779.54 2026-07-02 05:00 71d 6h   [open]  
dtru Papua New Guinea DART North of Manus Is web 4434.04 2026-05-31 04:00 103d 6h   [open]  
duni USA DART SSE of Dutch Harbor web 4717.14 06:00 2h 6h   [open]  
dacp2 USA DART South of Acapulco dart DD43413 3425.58 06:00 2h 6h   [open]  
dadk2 USA DART SSE of Adak Island dart DD46413 5603.35 2026-06-15 18:00 88d 6h   [open]  
dapi2 USA DART NW of Apia dart DD51425 4951.91 2026-08-17 12:00 25d 6h   [open]  
dat4 USA DART E of Boston dart DD44403 3987.63 06:00 2h 6h   [open]  
dat5 USA DART North of St Thomas dart DD41421 5804.91 06:00 2h 6h   [open]  
datu2 USA DART South of Attu dart DD21415 4718.7 2026-06-24 12:00 79d 6h   [open]  
dber2 USA DART SSW of Hamilton dart DD41425 5221.94 06:00 2h 6h   [open]  
dcal2 USA DART West of Mendocino Bay dart DD46411 4265.07 00:00 8h 6h   [open]  
dcar2 USA DART Southwest of San Juan dart DD42407 4496.53 06:00 2h 6h   [open]  
dchr2 USA DART SE of Chirikof Island dart DD46414 4673.06 06:00 2h 6h   [open]  
dchu2 USA DART South of Umnak Is dart DD46408 5327.59 06:00 2h 6h   [open]  
dgal2 USA DART WNW of Lima dart DD32413 3970.45 06:00 2h 6h   [open]  
dgul2 USA DART South of New Orleans dart DD42409 3198.27 06:00 2h 6h   [open]  
dgum2 USA DART West of Agana dart DD52405 5796.17 06:00 2h 6h   [open]  
dhai2 USA DART West of Vancouver dart DD46416 3393.48 06:00 2h 6h   [open]  
dhaw2 USA DART West of Kailua-Kona dart DD51407 4730.94 06:00 2h 6h   [open]  
dhon2 USA DART NE of Guadalcanal dart DD52406 1777.64 06:00 2h 6h   [open]  
djun2 USA DART SW of Juneau dart DD46415 3560.77 2026-05-11 18:00 123d 6h   [open]  
dkam2 USA DART SE of Kamchatka Peninsula dart DD21416 5788.5 2026-09-01 00:00 10d 6h   [open]  
dkod2 USA DART SE of Kodiak dart DD46409 4195.41 06:00 2h 6h   [open]  
dkur2 USA DART SE of Kuril Is. dart DD21419 5322.15 06:00 2h 6h   [open]  
dkwa2 USA DART ESE of Saipan dart DD52402 5885.59 06:00 2h 6h   [open]  
dmnz2 USA DART SW of Manzanillo dart DD43412 3098.57 2025-12-05 17:00 280d 6h   [open]  
dmon2 USA DART SE of Fire Island dart DD44402 2605.41 2026-05-21 17:00 113d 6h   [open]  
dnwp2 USA DART South of Amchitka dart DD21414 5421.36 07:00 1h 6h   [open]  
dorg2 USA DART West of Coos Bay dart DD46407 3267.3 06:00 2h 6h   [open]  
dpan2 USA DART WSW of Panama City dart DD32411 3201.09 2025-06-08 03:00 460d 6h   [open]  
dryu2 USA DART Southeast of Miyazaki dart DD21420 4821.56 06:00 2h 6h   [open]  
dsai2 USA DART ENE of Saipan dart DD52401 5562.01 2026-07-28 12:00 45d 6h   [open]  
dsea2 USA DART WNW of Seattle dart DD46419 2771 2026-05-05 12:00 129d 6h   [open]  
dsen2 USA DART NE of Tokyo dart DD21418 5693.94 2026-07-08 06:00 65d 6h   [open]  
dstl2 USA DART NNE of Santo Domingo dart DD41420 5773.27 2025-05-13 12:00 486d 6h   [open]  
dtok2 USA DART ESE of Tokyo dart DD21413 5779.68 2026-07-02 05:00 71d 6h   [open]  
dtru2 USA DART North of Manus Is dart DD52403 4433.74 2026-05-31 04:00 103d 6h   [open]  
duni2 USA DART SSE of Dutch Harbor dart DD46402 4716.41 06:00 2h 6h   [open]  
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