Oakland San Francisco Bay Airport to Laurence G Hanscom Field OAK → BED

Warnings the route crosses SIGMETs and AIRMETs whose area the line passes through or comes within 25 nm of

• SIGMET W18W: thunderstorms (a convective SIGMET) up to 30,000 ft, moving from the southwest at 20 knots, until 3:55 am PDT (10:55 UTC). Over the route from 309 to 438 nm out.
  as issued

  WSUS33 KKCI 120903 CCA
  MKCW WST 120903 COR
  CONVECTIVE SIGMET 18W
  VALID UNTIL 1055Z
  UT ID NV
  FROM 30E TWF-10W MLD-10SE ILC-50WSW ILC-60NE OAL-30E TWF
  AREA TS MOV FROM 24020KT. TOPS TO FL300.
  ***COR PTS***

• SIGMET W18W: thunderstorms (a convective SIGMET) up to 30,000 ft, moving from the southwest at 20 knots, until 3:55 am PDT (10:55 UTC). Over the route from 349 to 418 nm out.
  as issued

  WSUS33 KKCI 120855
  MKCW WST 120855
  CONVECTIVE SIGMET 18W
  VALID UNTIL 1055Z
  AZ UT NV
  FROM 20WNW BVL-30N BCE-60SSW BCE-50NNE LAS-60NNW ELY-20WNW BVL
  AREA TS MOV FROM 24020KT. TOPS TO FL300.

• AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the first 169 nm of the route.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 219 to 727 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 239 to 777 nm out.
• AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 12,000 ft. Over the route from 339 to 568 nm out.
• AIRMET TANGO 4W: moderate turbulence above 18,000 ft (due to mountain wave) from 34,000 ft to 43,000 ft. Over the route from 548 to 857 nm out.
• AIRMET TANGO 1W: low-level wind shear (due to air speed loss or gain of 20 knots or more below 2,000 ft above the ground). Over the route from 638 to 887 nm out.
• AIRMET TANGO 2W: moderate turbulence below 18,000 ft (due to mountain wave) up to 22,000 ft. Over the route from 697 to 827 nm out.
• AIRMET TANGO 5W: strong surface winds (30 knots or more) (due to sustained surface winds greater than 30 knots). Over the route from 717 to 757 nm out.
• AIRMET SIERRA 4E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the route from 877 to 1136 nm out.
• AIRMET TANGO 2W: low-level wind shear (due to air speed loss or gain of 20 knots or more below 2,000 ft above the ground). Over the route from 1006 to 1544 nm out.
• AIRMET SIERRA 3E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist, fog). Over the last 578 nm of the route.
• AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, mist). Over the route from 2092 to 2252 nm out.
• AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 24,000 ft to 33,000 ft. Over the last 219 nm of the route.
• AIRMET ZULU 1C: moderate icing from 12,000 ft to 24,000 ft. Near the route, at the destination end.

A SIGMET warns of weather hazardous to all aircraft; an AIRMET of weather that matters to small aircraft and to flying without instruments. "From 60 to 180 nm out" is measured along the route from OAK.

Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first

Not fetched just now.

At BED when you get there the forecast at the estimated arrival, 7:50 pm EDT (23:50 UTC)

BED has no terminal forecast; use the nearest airport that does.

Temporary flight restrictions on the line or within 25 nm of it

• 6/8802 Foxborough, MA, Saturday, October 17, 2026 through Sunday, October 18, 2026 UTC 22 nm from the route, at the destination end · drones kept away from a public gathering · starts Saturday 17 October · ZBW

Daylight

Sunset at OAK 6:34 pm PDT (01:34 UTC), at BED 6:08 pm EDT (22:08 UTC) (civil twilight ends 6:36 pm EDT (22:36 UTC)). At 120 knots the arrival at BED is after sunset there (6:08 pm EDT (22:08 UTC)).

Each restriction opens the FAA's own page with the exact area, heights and times. Ordinary notices to air missions (closed runways, lights out) are not shown: the FAA's notice search is not open to sites like this one at this time.