Date: 201709
Local time of day: 1801-2400
Location: ZZZ.ARTCC, US
Weather elements / visibility: Windshear; Turbulence
Light: Night
Aircraft: Widebody; Low Wing; 3 Turbojet Eng
Operator: Air Carrier
Operating under: Part 121
Flight plan: IFR
Mission: Cargo / Freight / Delivery
Flight phase: Climb
Airspace: Class B ZZZ
ATC / advisory: Tower ZZZ
Reporter organization: Air Carrier
Reporter function: Captain; Pilot Flying
Reporter qualification: Flight Crew Air Transport Pilot (ATP)
Human factors: Time Pressure
Second reporter function: Pilot Not Flying; First Officer
Anomaly: Deviation / Discrepancy - Procedural Published Material / Policy; Inflight Event / Encounter Weather / Turbulence; Inflight Event / Encounter Unstabilized Approach; Inflight Event / Encounter Fuel Issue
Detector: Automation Aircraft Other Automation; Person Flight Crew
When detected: In-flight
Result: Air Traffic Control Provided Assistance; Flight Crew Took Evasive Action; Flight Crew Requested ATC Assistance / Clarification; Flight Crew Diverted; Flight Crew Executed Go Around / Missed Approach
Contributing factors: Weather
Primary problem: Weather

Narrative: The Captain was Pilot Flying (PF) for this leg. After takeoff; climb; and cruise; we were cleared for the arrival; as filed. We were subsequently issued holding instructions; due to weather conditions over and in the vicinity of the airfield. We were initially issued an expect further clearance (EFC) time of 30 minutes. This was then revised to 60 minutes. After 35 minutes in holding; we were released via radar vectors to approach control. Our expected landing runway was changed; since our vectors would take us around the east side of the field. On short final; we accomplished a go-around due to a windshear alert cue. We received radar vectors for a second approach to [the] runway. We accomplished a second go-around on short final; due to a 'headwindshear' cue. Another aircrew attempting landing reported a 15 knot airspeed gain to tower. We then declared 'minimum fuel;' and declared our intentions to proceed to our alternate airport. While proceeding to [alternate]; we evaluated with our flight dispatcher whether [a secondary alternate] would be a viable option. Considering the poor weather conditions; we elected to continue; which reported more favorable weather conditions. Enroute to [diversion airport]; we [notified ATC of our urgency] since our projected fuel state at landing would be close to 12;000 pounds; based on a flight management system (FMS) routing [for an approach]. Due to calm winds; we requested vectors to one of the [runways]; to facilitate a straight-in approach and further economize our fuel. Approach was unable to grant this request; due to traffic flow. We requested vectors to intercept [the] final approach course just outside the waypoint. We reasoned this would provide a good mix of fuel economy; while providing a stable final approach leg length of 11.5 nautical miles. We accomplished a visual approach; backed up by the ILS approach guidance to [the] runway. We landed; taxied to [the] gate and shut down the aircraft. The fuel quantity on short final was over 13;000 pounds. The fuel quantity at block-in was approximately 12;200 pounds.Event caused by windshear encounters on short final approach on both approach attempts; requiring missed approach and subsequent diversion to scheduled alternate..


Second narrative: [Report Narrative Contained No Additional Information.]


Synopsis: Air carrier flight crew reported that following two go-around maneuvers due to windshear; diverting to alternate in a low fuel condition.