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

Status at 2026-10-15 23:00 GMT : 228 stations listed ordered by location
Show: Info:
Code GLOSS ID Country Location Connection DCP ID Last observation
Level    Time in GMT		 Delay Transmit
Interval		 View
yaku USA Yakutat AK web 2.86 22:50 10' 6'   [open]  
yaku2 USA Yakutat AK SXXX03 33A573BE -8.09 2025-09-03 01:13 408d 6'   [open]  
yabu USA Yabucoa Harbor, PR SXXX03 3366B5CA -6.16 22:44 16' 6'   [open]  
wood USA Woods Hole, MA web 3340A79C 0.42 22:57 3' 6'   [open]  
wood2 USA Woods Hole, MA SXXX03 3340A79C -3.8 22:38 22' 6'   [open]  
wpwa2 USA Westport, WA SZPZ34 WPTW1 2.61 22:51 9' 6'   [open]  
wpwa USA Westport, WA web 2.6 22:57 3' 6'   [open]  
wake 105 USA Wake US web 0.35 22:57 3' 6'   [open]  
wake2 105 USA Wake US SZPA37 WAKP8 0.37 22:51 9' 6'   [open]  
vieq2 USA Vieques PR SXXX03 335CC478 -3.07 22:39 21' 6'   [open]  
vieq USA Vieques PR web 335CC478 0.42 22:51 9' 6'   [open]  
vald2 USA Valdez AK web 3.3 22:54 6' 6'   [open]  
stcr2 USA St Croix VI SXXX03 3365B2C4 -2.61 22:39 21' 6'   [open]  
stcr USA St Croix VI web 3365B2C4 0.33 22:51 9' 6'   [open]  
sbea 157 USA South Beach OR web 3368974E 2.41 22:51 9' 6'   [open]  
sbea2 157 USA South Beach OR SZPZ34 SBEO3 2.41 22:51 9' 6'   [open]  
sitk2 154 USA Sitka AK SXXX03 33A4BA88 -4.77 2025-10-13 23:50 367d 6'   [open]  
sitk 154 USA Sitka AK web 2.93 22:50 10' 6'   [open]  
sewa 150 USA Seward AK web 3.11 22:57 3' 6'   [open]  
sewa2 150 USA Seward AK SXXX03 3350F07E -3.24 22:38 22' 6'   [open]  
sdpt2 100 USA Sand Point AK SXXX03 33602066 -2.06 22:50 10' 6'   [open]  
sdpt 100 USA Sand Point AK web 33602066 2.15 22:50 10' 6'   [open]  
sanj 206 USA San Juan PR web 335CA19E 0.35 22:51 9' 6'   [open]  
sanj2 206 USA San Juan PR SXXX03 335CA19E -2.63 22:39 21' 6'   [open]  
sand USA San Diego CA SXXX03 336275EE -2.5 22:38 22' 6'   [open]  
stdpr Puerto Rico Salinas, Puerto Rico SXXX03 A4F0022E -3.45 22:39 21' 6'   [open]  
prud 151 USA Prudhoe Bay AK web 0.46 22:51 9' 6'   [open]  
prud2 151 USA Prudhoe Bay AK SXXX03 33A4A9FE -3.68 2025-10-13 23:45 367d 6'   [open]  
ptme USA Portland ME SXXX03 335F0668 -4.17 22:39 21' 6'   [open]  
pslu USA Port San Luis CA web 336A07D8 1.31 22:56 4' 6'   [open]  
pslu2 USA Port San Luis CA SXXX03 336A07D8 -3.88 2025-10-13 23:45 367d 6'   [open]  
paak USA Port Alexander AK SXXX03 3360C394 -4.83 2025-06-03 18:35 499d 6'   [open]  
paak2 USA Port Alexander web 3.09 22:50 10' 6'   [open]  
psla2 USA Pilots Station East, SW Pass, LA SXXX03 336A44D2 -4.53 22:38 22' 6'   [open]  
psla USA Pilots Station East, SW Pass, LA web 0.62 22:48 12' 6'   [open]  
pnfl2 288 USA Pensacola FL SXXX03 33A02AD0 -4.08 22:38 22' 6'   [open]  
pnfl 288 USA Pensacola FL web 33A02AD0 0.37 22:48 12' 6'   [open]  
pago 144 Samoa Pago Pago AS web 336015FC 0.6 22:57 3' 6'   [open]  
pagx 144 Samoa Pago Pago AS SZPA37 NSTP6 0.61 22:51 9' 6'   [open]  
pagb USA Pago Bay, Guam web -0.01 22:54 6' 6'   [open]  
nspi2 USA North Spit, Humboldt SZPZ34 HBYC1 2.19 22:44 16' 6'   [open]  
nspi USA North Spit, Humboldt web 336837B6 2.17 22:50 10' 6'   [open]  
nome 74 USA Nome AK web -0.63 22:48 12' 6'   [open]  
nawi USA Nawiliwili, Kauai web 0.29 22:56 4' 1'   [open]  
mont2 USA Monterey SZPZ34 MEYC1 1.48 22:51 9' 6'   [open]  
mont USA Monterey web 33630184 1.47 22:51 9' 6'   [open]  
mony USA Montauk, NY web 33401412 0.4 22:51 9' 6'   [open]  
mony2 USA Montauk, NY SXXX03 33401412 -3.88 22:38 22' 6'   [open]  
mona USA Mona Island PR web 3365E2B8 0.33 22:54 6' 6'   [open]  
mona2 USA Mona Island PR SXXX03 3365E2B8 -2.04 22:42 18' 6'   [open]  
moku USA Mokuoloe,Oahu SZHW36 MOKH1 0.53 22:51 9' 6'   [open]  
midx 106 USA Midway web 3363A17C 0.35 22:52 8' 6'   [open]  
midx2 106 USA Midway SZPA37 SNDP5 0.39 22:46 14' 6'   [open]  
maya Puerto Rico Mayaguez PR SXXX03 336633DE -2.75 22:39 21' 6'   [open]  
magi USA Magueyes Island PR web 3364E042 0.01 2025-07-12 18:15 460d 6'   [open]  
magi2 USA Magueyes Island PR SXXX03 3364E042 -3.46 2025-07-12 18:09 460d 6'   [open]  
losa USA Los Angeles CA web 3360068A 1.21 22:50 10' 6'   [open]  
lime USA Limetree VI web 3364B03E 0.35 22:51 9' 6'   [open]  
lime2 USA Limetree VI SXXX03 3364B03E -3.54 22:39 21' 6'   [open]  
apla USA Lawma, Amerada Pass, LA web 334773C0 0.52 22:51 9' 6'   [open]  
lame2 USA LameshurBayStJohnVI SXXX03 335D10EA -2.02 22:39 21' 6'   [open]  
lame USA LameshurBayStJohnVI web 335D10EA 0.37 22:51 9' 6'   [open]  
lajo 159 USA La Jolla CA web 3361F4F4 1.15 22:48 12' 6'   [open]  
lajo2 159 USA La Jolla CA SXXX03 3361F4F4 -9.99 2026-05-19 09:38 150d 6'   [open]  
kwaj2 111 Marshall Islands Kwajalein MH SXXX03 3362A386 -0.67 2025-03-07 22:37 587d 6'   [open]  
kwaj 111 Marshall Islands Kwajalein MH web 3362A386 0.01 22:50 10' 6'   [open]  
kodi2 USA Kodiak Island, AK SXXX03 33A4E426 2024-08-17 17:56 789d 6'   [open]  
kodi USA Kodiak Island, AK web 2.33 22:57 3' 6'   [open]  
kwfl 216 USA Key West FL web 0.51 22:51 9' 6'   [open]  
kawa USA Kawaihae, Hawaii web 0.34 22:51 9' 6'   [open]  
kawa2 USA Kawaihae, Hawaii SXXX03 335FC376 -2.49 2025-10-13 23:50 367d 6'   [open]  
kahu2 USA Kahului, Maui SXXX03 33518414 -5.15 22:39 21' 6'   [open]  
kahu USA Kahului, Maui web 0.47 22:51 9' 6'   [open]  
isab Puerto Rico Isabel Segunda SXXX03 3366D02C -2.66 22:38 22' 6'   [open]  
hono 108 USA Honolulu,Oahu web 0.29 22:51 9' 6'   [open]  
hono2 108 USA Honolulu, Oahu SXXX03 3351410A -2.81 22:39 21' 6'   [open]  
hilo 287 USA Hilo,Hawaii web 0.46 22:50 10' 6'   [open]  
hilo2 287 USA Hilo, Hawaii SXXX03 334934A2 -3.22 22:38 22' 6'   [open]  
gtdpr Puerto Rico Guayanilla, Puerto Rico SXXX03 A4F00CFC -3.34 22:39 21' 6'   [open]  
guam2 149 USA Guam (Apra Harbor) SZPA37 APRP7 0.24 22:50 10' 6'   [open]  
guam 149 USA Guam (Apra Harbor) web 0.24 22:48 12' 6'   [open]  
gila USA Grand Isle, LA web 335DA364 0.31 22:57 3' 5'   [open]  
gptx 217 USA Galveston Pier TX web 336AB456 0.48 22:51 9' 5'   [open]  
fpnt 158 USA Ft Point,San Fran web 336172E0 1.77 22:57 3' 6'   [open]  
fpnt2 158 USA Ft Point,San Fran SXXX03 336172E0 -0.83 22:38 22' 6'   [open]  
fpga2 289 USA Fort Pulaski GA SXXX03 335F151E -5.2 22:39 21' 6'   [open]  
fpga 289 USA Fort Pulaski GA web 335F151E 0.63 22:51 9' 6'   [open]  
fmfl USA Fort Myers FL web 336754C2 0.44 22:51 9' 6'   [open]  
fmfl2 USA Fort Myers FL SXXX03 336754C2 -2.75 22:39 21' 6'   [open]  
fbfl2 USA Fernadina Beach FL SXXX03 336782AA -4.49 2026-03-12 14:21 217d 6'   [open]  
fbfl USA Fernadina Beach FL web 336782AA 0.59 22:57 3' 6'   [open]  
faja Puerto Rico Fajardo PR SXXX03 3366C35A -2.85 22:38 22' 6'   [open]  
elak USA Elfin Cove AK web 33604580 2.91 22:51 9' 6'   [open]  
elak2 USA Elfin Cove AK SXXX03 33604580 -4.94 22:39 21' 6'   [open]  
epme2 USA East Port ME SXXX03 3365875E -7.31 22:38 22' 6'   [open]  
epme USA East Port ME web 3365875E 2.19 22:51 9' 6'   [open]  
dutc2 102 USA Dutch Hbr Unalaska SXXX03 3360A672 -2.93 22:40 20' 6'   [open]  
dutc 102 USA Dutch Hbr Unalaska web 3360A672 1.07 22:51 9' 6'   [open]  
dpnc 219 USA Duck Pier NC web 335DD5F4 0.69 22:51 9' 5'   [open]  
dial USA Dauphin Island AL web 335752B2 0.33 22:51 9' 6'   [open]  
dpan Panamá DART WSW of Panama City web 3200.68 2025-06-08 03:00 495d 6h   [open]  
dpan2 USA DART WSW of Panama City dart DD32411 3201.09 2025-06-08 03:00 495d 6h   [open]  
dsea2 USA DART WNW of Seattle dart DD46419 2771 2026-05-05 12:00 163d 6h   [open]  
dsea USA DART WNW of Seattle web 2770.67 18:00 5h 6h   [open]  
dgal2 USA DART WNW of Lima dart DD32413 3969.95 18:00 5h 6h   [open]  
dgal Perú DART WNW of Lima web 3970.59 18:00 5h 6h   [open]  
dhai Canada DART West of Vancouver web 3393.85 18:00 5h 6h   [open]  
dhai2 USA DART West of Vancouver dart DD46416 3392.92 18:00 5h 6h   [open]  
dcal2 USA DART West of Mendocino Bay dart DD46411 4265.8 18:00 5h 6h   [open]  
dcal USA DART West of Mendocino Bay web 4265.29 18:00 5h 6h   [open]  
dhaw USA DART West of Kailua-Kona web 4731 18:00 5h 6h   [open]  
dhaw2 USA DART West of Kailua-Kona dart DD51407 4731.43 18:00 5h 6h   [open]  
dorg2 USA DART West of Coos Bay dart DD46407 3266.66 18:00 5h 6h   [open]  
dorg USA DART West of Coos Bay web 3266.69 18:00 5h 6h   [open]  
dpor USA DART West of Astoria web 2737.84 18:00 5h 6h   [open]  
dgum Guam DART West of Agana web 5797.2 17:00 6h 6h   [open]  
dgum2 USA DART West of Agana dart DD52405 5796.05 17:00 6h 6h   [open]  
dmnz2 USA DART SW of Manzanillo dart DD43412 3098.57 2025-12-05 17:00 314d 6h   [open]  
dmnz USA DART SW of Manzanillo web 3097.99 2025-12-05 17:00 314d 6h   [open]  
djun USA DART SW of Juneau web 3561.32 18:00 5h 6h   [open]  
djun2 USA DART SW of Juneau dart DD46415 3560.77 2026-05-11 18:00 157d 6h   [open]  
dber2 USA DART SSW of Hamilton dart DD41425 5222.45 18:00 5h 6h   [open]  
dber Bermudas DART SSW of Hamilton web 5222.38 18:00 5h 6h   [open]  
duni USA DART SSE of Dutch Harbor web 4717.55 18:00 5h 6h   [open]  
duni2 USA DART SSE of Dutch Harbor dart DD46402 4716.83 18:00 5h 6h   [open]  
danc USA DART SSE of Cordova web 3726.03 18:00 5h 6h   [open]  
dadk USA DART SSE of Adak Island web 5604.51 18:00 5h 6h   [open]  
dadk2 USA DART SSE of Adak Island dart DD46413 5603.35 2026-06-15 18:00 122d 6h   [open]  
dcar2 USA DART Southwest of San Juan dart DD42407 4496.55 18:00 5h 6h   [open]  
dcar USA DART Southwest of San Juan web 4496.43 18:00 5h 6h   [open]  
dryu USA DART Southeast of Miyazaki web 4822.29 18:00 5h 6h   [open]  
dryu2 USA DART Southeast of Miyazaki dart DD21420 4821.07 18:00 5h 6h   [open]  
dchu2 USA DART South of Umnak Is dart DD46408 5328.28 2026-10-14 22:00 1d 6h   [open]  
dchu USA DART South of Umnak Is web 5328.48 2026-10-14 22:00 1d 6h   [open]  
dgul USA DART South of New Orleans web 3198.29 2026-10-13 07:00 3d 6h   [open]  
dgul2 USA DART South of New Orleans dart DD42409 3198.34 2026-10-13 07:00 3d 6h   [open]  
datu2 USA DART South of Attu dart DD21415 4718.7 2026-06-24 12:00 113d 6h   [open]  
datu USA DART South of Attu web 4718.39 18:00 5h 6h   [open]  
dnwp USA DART South of Amchitka web 5421.39 2026-09-10 18:00 35d 6h   [open]  
dnwp2 USA DART South of Amchitka dart DD21414 5421.49 18:00 5h 6h   [open]  
dacp2 USA DART South of Acapulco dart DD43413 3424.98 18:00 5h 6h   [open]  
dacp USA DART South of Acapulco web 3425.34 18:00 5h 6h   [open]  
dshu USA DART SE of Shumagin Is web 4513.3 18:00 5h 6h   [open]  
dkur USA DART SE of Kuril Is. web 5321.98 2026-10-01 07:00 15d 6h   [open]  
dkur2 USA DART SE of Kuril Is. dart DD21419 5322.41 2026-10-01 07:00 15d 6h   [open]  
dkod2 USA DART SE of Kodiak dart DD46409 4195.5 18:00 5h 6h   [open]  
dkod USA DART SE of Kodiak web 4196.86 18:00 5h 6h   [open]  
dkam USA DART SE of Kamchatka Peninsula web 5788.38 2026-09-01 00:00 45d 6h   [open]  
dkam2 USA DART SE of Kamchatka Peninsula dart DD21416 5788.5 2026-09-01 00:00 45d 6h   [open]  
dmon2 USA DART SE of Fire Island dart DD44402 2605.41 2026-05-21 17:00 147d 6h   [open]  
dmon USA DART SE of Fire Island web 2605.56 2026-05-21 17:00 147d 6h   [open]  
dchr2 USA DART SE of Chirikof Island dart DD46414 4673.29 18:00 5h 6h   [open]  
dchr USA DART SE of Chirikof Island web 4674.54 18:00 5h 6h   [open]  
dapi Samoa DART NW of Apia web 4951.41 18:00 5h 6h   [open]  
dapi2 USA DART NW of Apia dart DD51425 4951.91 2026-08-17 12:00 59d 6h   [open]  
dat5 USA DART North of St Thomas dart DD41421 5805.29 18:00 5h 6h   [open]  
dat3 USA DART North of St Thomas web 5805.18 18:00 5h 6h   [open]  
dtru Papua New Guinea DART North of Manus Is web 4434.04 2026-05-31 04:00 138d 6h   [open]  
dtru2 USA DART North of Manus Is dart DD52403 4433.74 2026-05-31 04:00 138d 6h   [open]  
dstl2 USA DART NNE of Santo Domingo dart DD41420 5773.27 2025-05-13 12:00 520d 6h   [open]  
dstl USA DART NNE of Santo Domingo web 5773.08 18:00 5h 6h   [open]  
dsen USA DART NE of Tokyo web 5694.03 18:00 5h 6h   [open]  
dsen2 USA DART NE of Tokyo dart DD21418 5693.94 2026-07-08 06:00 100d 6h   [open]  
dphi Philippines DART NE of Manila web 5864.19 18:00 5h 6h   [open]  
dhon USA DART NE of Guadalcanal web 1776.42 18:00 5h 6h   [open]  
dhon2 USA DART NE of Guadalcanal dart DD52406 1777.03 18:00 5h 6h   [open]  
dtok2 USA DART ESE of Tokyo dart DD21413 5779.68 2026-07-02 05:00 106d 6h   [open]  
dtok USA DART ESE of Tokyo web 5779.54 2026-07-02 05:00 106d 6h   [open]  
dkwa USA DART ESE of Saipan web 5885.3 18:00 5h 6h   [open]  
dkwa2 USA DART ESE of Saipan dart DD52402 5885.36 18:00 5h 6h   [open]  
dsai2 USA DART ENE of Saipan dart DD52401 5562.01 2026-07-28 12:00 79d 6h   [open]  
dsai USA DART ENE of Saipan web 5561.55 18:00 5h 6h   [open]  
dat4 USA DART E of Boston dart DD44403 3988.27 18:00 5h 6h   [open]  
dat2 USA DART E of Boston web 3988.39 18:00 5h 6h   [open]  
cwme USA Cutler Farris Wharf, ME web 33672252 1.55 22:48 12' 6'   [open]  
cwme2 USA Cutler Farris Wharf, ME SXXX03 33672252 -5.55 22:38 22' 6'   [open]  
cule2 USA Culebra Is PR SXXX03 3358913E -2.97 2024-02-16 21:27 972d 6'   [open]  
cule USA Culebra Is PR web 0.34 22:48 12' 6'   [open]  
cres USA Crescent City CA web 33622592 1.93 22:44 16' 6'   [open]  
cres2 USA Crescent City CA SXXX03 33622592 -1.83 22:38 22' 6'   [open]  
cord2 USA Cordova AK SXXX03 335FA690 -5.35 2024-09-05 19:03 770d 6'   [open]  
cord USA Cordova AK web 335FA690 3.66 22:51 9' 6'   [open]  
cwfl USA Clearwater Beach FL web 3358C142 0.74 22:51 9' 5'   [open]  
cwfl2 USA Clearwater Beach FL SXXX50 3358C142 -5.26 22:38 22' 5'   [open]  
chrp2 USA Cherry Point WA SXXX03 336BB6AC -4.97 2025-07-24 19:16 448d 6'   [open]  
chrp USA Cherry Point WA web 336BB6AC 2.02 22:51 9' 6'   [open]  
amal USA Charlotte-Amalie VI web 3364A348 0.33 22:48 12' 6'   [open]  
amal2 USA Charlotte-Amalie VI SXXX03 3364A348 -3.75 22:39 21' 6'   [open]  
char2 USA Charleston, OR SXXX03 336874BC -3.03 22:38 22' 6'   [open]  
char USA Charleston, OR web 336874BC 2.23 22:50 10' 6'   [open]  
cmnj USA Cape May NJ web 335D53E0 0.66 22:51 9' 6'   [open]  
cmnj2 USA Cape May NJ SXXX03 335D53E0 -4.61 22:39 21' 6'   [open]  
cbmd2 USA Cambridge MD SXXX03 3366E5B6 -2.19 22:39 21' 6'   [open]  
cbmd USA Cambridge MD web 3366E5B6 0.72 22:48 12' 6'   [open]  
cpla USA Calcasieu Pass, LA web 3368C732 0.69 22:51 9' 6'   [open]  
bgct2 USA Bridgeport CT SXXX03 3372E712 -5.42 22:39 21' 6'   [open]  
bgct USA Bridgeport CT web 1.09 22:48 12' 6'   [open]  
boma USA Boston MA web 335E54EE 1.57 22:48 12' 6'   [open]  
bmda 221 UK Bermuda St Georges web 0.3 22:50 10' 6'   [open]  
bbst2 221 Bermudas Bermuda Biological Station2 SXXX03 334032FE -1.8 22:39 21' 6'   [open]  
bbst 221 Bermudas Bermuda Biological Station web 0.26 22:51 9' 6'   [open]  
benc USA Beaufort NC web 3364C6AE 0.55 22:51 9' 6'   [open]  
benc2 USA Beaufort NC SXXX03 3364C6AE -3.41 22:39 21' 6'   [open]  
wlms USA Bay Waveland Yacht Club, MS web 33456542 0.46 22:57 3' 6'   [open]  
wlms2 USA Bay Waveland Yacht Club, MS SXXX03 33456542 -8.36 22:39 21' 6'   [open]  
btny2 USA Battery The NY SXXX03 336670D4 2026-05-13 15:45 155d 6'   [open]  
btny USA Battery The NY web 336670D4 0.47 22:57 3' 6'   [open]  
bame USA Bar Harbor ME web 336747B4 1.23 22:48 12' 6'   [open]  
bame2 USA Bar Harbor ME SXXX03 336747B4 -4.88 22:38 22' 6'   [open]  
bamd USA Baltimore MD web 336577DA 0.39 22:48 12' 6'   [open]  
acnj 220 USA Atlantic City NJ web 3367B730 0.62 22:57 3' 6'   [open]  
acnj2 220 USA Atlantic City NJ SXXX03 3367B730 -8.16 22:39 21' 6'   [open]  
atka USA Atka, AK web 0.98 22:51 9' 5'   [open]  
asto2 USA Astoria OR SZPZ34 ASTO3 2.4 22:51 9' 6'   [open]  
asto USA Astoria OR web 335086EE 2.4 22:51 9' 6'   [open]  
aren USA Arena Cove CA web 3368115A 1.7 22:44 16' 6'   [open]  
aren2 USA Arena Cove CA SXXX03 336AF75C -5.35 22:39 21' 6'   [open]  
aracS Puerto Rico Arecibo (GTS) SXXX03 3366454E -3.31 22:42 18' 6'   [open]  
apfl2 USA Apalachicola FL SXXX03 3346C2B4 -4.64 22:39 21' 6'   [open]  
apfl USA Apalachicola FL web 3346C2B4 0.63 22:51 9' 6'   [open]  
anch USA Anchorage AK web 15.96 2026-01-15 14:15 273d 6'   [open]  
anch2 USA Anchorage AK SXXX03 3363B20A -1.83 22:38 22' 6'   [open]  
alak2 USA Alitak US SXXX03 3363341E -5.76 22:39 21' 6'   [open]  
alak USA Alitak US web 3363341E 3.04 22:51 9' 6'   [open]  
alam USA Alameda CA web 2.06 22:51 9' 6'   [open]  
agua Puerto Rico Aguadilla (Crash Boat) SOVI10 A4F01158 -7.27 22:39 21' 6'   [open]  
adak 302 USA Adak AK web 3360F60E 1.04 22:54 6' 6'   [open]  
adak2 302 USA Adak AK SXXX03 3360F60E -2.22 22:42 18' 6'   [open]  
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