General Edward Lawrence Logan International to Oakland San Francisco Bay Airport BOS → OAK

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

• SIGMET W19W: thunderstorms (a convective SIGMET) up to 29,000 ft, moving from the southwest at 20 knots, until 7:55 am EDT (11:55 UTC). Near the route, 1886 nm along the route.
  as issued

  WSUS33 KKCI 120955
  MKCW WST 120955
  CONVECTIVE SIGMET 19W
  VALID UNTIL 1155Z
  UT ID NV
  FROM 30ESE TWF-10W MLD-20E BVL-40W BVL-30ESE TWF
  AREA TS MOV FROM 24020KT. TOPS TO FL290.

• 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 first 599 nm of the route.
• AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 24,000 ft to 33,000 ft. Over the first 239 nm of the route.
• AIRMET ZULU 1C: moderate icing from 12,000 ft to 24,000 ft. Near the route, at the departure end.
• AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, mist). Over the route from 80 to 249 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 788 to 1337 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 1207 to 1457 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 1447 to 1696 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 1477 to 1786 nm out.
• AIRMET TANGO 2W: moderate turbulence below 18,000 ft (due to mountain wave) up to 22,000 ft. Over the route from 1507 to 1646 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 1557 to 2095 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 1577 to 1616 nm out.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 1606 to 2115 nm out.
• AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 12,000 ft. Over the route from 1686 to 1996 nm out.
• AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the last 170 nm of the route.

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 BOS.

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

Not fetched just now.

At OAK when you get there the forecast at the estimated arrival, 1:20 am PDT (08:20 UTC)

OAK 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 17 nm from the route, at the departure end · drones kept away from a public gathering · starts Saturday 17 October · ZBW

Daylight

Sunset at BOS 6:07 pm EDT (22:07 UTC), at OAK 6:34 pm PDT (01:34 UTC) (civil twilight ends 7:00 pm PDT (02:00 UTC)). At 120 knots the arrival at OAK is before sunrise there (7:15 am PDT (14:15 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.