Official X account for the National Weather Service Ocean Prediction Center.

College Park, MD
Joined May 2013
What a difference 24 hours makes! This satellite comparison captures the remarkable intensification of a powerful North Atlantic mid-latitude cyclone, with central pressure falling to 934 mb as of 06Z. Hurricane-force winds & seas >50 ft continue this morning. #MarineWx
9
2
17
1,531
Rapid intensification well underway across the N Atlantic, with low pressure recently analyzed to 979 mb, and forecast to deepen another 49 mb over the next 24 hours to 930 mb by 14th/12Z. Primary hazards remain: hurricane-force winds to 80 kt, building seas >50 ft #MarineWx
3
2
26
9,745
Low pressure currently south of Sable Island is set to rapidly intensify over the next 36 hours -- ultimately forecast to deepen to 934 mb by 12z on the 14th. Primary marine hazards include hurricane-force winds to 80 kt, along with seas building >50 ft. #MarineWx
1
2
7
1,236
Post-tropical Isaias remains an impressive sight on water vapor imagery this morning. While no longer tropical and well inland, hazardous marine conditions continue well offshore with multiple gale warnings (with seas 10-15 ft) across portions of the OPC offshore zones. #MarineWx
6
10
1,168
NWS Ocean Prediction Center retweeted
10 AM CDT Fri Oct 9 (Advisory 12) Key Messages for Hurricane #Isaias. Latest info: hurricanes.gov 10 AM CDT viernes 9 de octubre (Aviso 12) Mensajes clave sobre el huracán #Isaias. Más información: hurricanes.gov
4
102
12
273
69,568
NWS Ocean Prediction Center retweeted
8AM PDT: Tropical Storm watches issued for Southern California and Baja California. For the latest on #Rachel visit hurricanes.gov
5
125
23
452
62,651
NWS Ocean Prediction Center retweeted
8 AM PDT Fri Oct 9 (Advisory 50) Key Messages for Tropical Storm #Rachel. Latest info: hurricanes.gov 8 AM PDT viernes 9 de octubre (Aviso 50) Mensajes clave sobre la tormenta tropical #Rachel. Más información: hurricanes.gov
23
1
72
8,505
Impactful, dangerous weather forecast across the W Pacific & Bering Sea as Typhoon Choi-Wan transitions into a powerful, sprawling extratropical low pressure. Primary marine hazards include hurricane-force winds, seas building to near 10 m. OPC analysis, 48+72 charts included.
1
4
807
They're back! 🥳🎉 Beginning tomorrow, September 30, OPC's 72- and 96-hour surface forecast charts return to operations after a pause that began June 1. We're excited to have these medium range forecasts back in the operational lineup! Details: weather.gov/media/notificati…
1
1
9
1,567
Check out the latest blog post 'Atlantic Extratropical Cyclone Activity Erupts Right on Queue' authored by Chris Smith, the CISESS GOES-R Satellite Liaison for NWS WPC/OPC! satelliteliaisonblog.wordpre… via @SatLiaisons #MarineWx
2
3
1,714
The Nor'easter continues to intensify this morning, last analyzed to 995 mb, and currently generating storm-force winds with significant wave heights to near 27 ft, or just over 8 m. Visible satellite loop along with forecast graphics and key messages included. #MarineWx
18
4
55
8,929
NWS Ocean Prediction Center retweeted
9/23 11am HST: NHC Director Dr. Michael Brennan discusses #Nolo's anticipated impacts for #Hawaii See hurricanes.gov for the latest forecast and warning information.
2
36
2
80
16,572
NWS Ocean Prediction Center retweeted
11 AM HST Wed Sep 23 (Advisory 13) Key Messages for Tropical Storm #Nolo. Latest info: hurricanes.gov
1
41
1
85
18,108
Below is an Airmass RGB #satellite loop showing the evolution of a rapidly intensifying hurricane force low in the #Atlantic over the last 24 hours. Also attached is the latest 12z Atlantic surface analysis. Find the latest #marine forecasts & warnings at ocean.weather.gov/
1
1
9
1,909
NWS Ocean Prediction Center retweeted
5 AM HST Wed Sep 23 (Advisory 12) Key Messages for Tropical Depression #Fifteen_E. Latest info: hurricanes.gov
33
1
85
12,964
NWS Ocean Prediction Center retweeted
Tropical Depression #Fifteen-E Advisory 12 (5 AM HST, Wed Sep 23): Interests in the Hawaiian Islands Should Closely Monitor the Progress of This System. hurricanes.gov
14
50
4,328
A strong nor'easter will develop off the East Coast of the U.S. towards the end of the week, bringing hazardous #winds & #seas to parts of the Western #Atlantic. The latest #NWS Offshore Waters Forecasts can be found here: ocean.weather.gov/shtml/NFDO… & ocean.weather.gov/shtml/NFDO…
2
769
Hurricane-force wind warning now in effect for the deep low pressure moving off Newfoundland this morning. Primary marine hazards: Sustained winds increasing to 65 kt, along with significant wave heights building to near 30 ft. #MarineWx Latest: ocean.weather.gov/Atl_tab.ph…
5
4
17
24,675
Storm-force wind warning in place for deep low pressure developing east of Newfoundland. Primary marine hazards: sustained winds increasing to near 60 kt, with building seas to near 8 m (26 ft). #MarineWx Latest Atlantic analysis and forecast info: ocean.weather.gov/Atl_tab.ph…
2
4
1,158
Check out the latest blog post' Atlantic Awakens with Extratropical Cyclone Activity', authored by Chris Smith, the CISESS GOES-R Satellite Liaison for NWS WPC/OPC! satelliteliaisonblog.wordpre… via @SatLiaisons #MarineWx
1
932