2025 season · Week 18

Pregame

AI summary, sourced from 1 period article (49ers.com (Briana Jeannel))

The 49ers (12-4) host the Seattle Seahawks (13-3) on Saturday Night Football, 8:00 ET kickoff at Levi's Stadium. The NFC West title and the No. 1 seed are on the line.

Both teams enter on six-game winning streaks, tied for the longest active runs in the NFC. The Rams are the only team to beat either since early November. Seattle is built around the NFL's second-ranked scoring defense (18.1 ppg) and an efficient passing game with WR Jaxon Smith-Njigba (NFL receiving leader).

Brock Purdy starts his seventh straight. Vegas opens the 49ers as 3-point home favorites.[1][2][3]

AI summary, sourced from 1 period article (49ers.com (Briana Jeannel))

Sixteen weeks of football have come down to a Saturday night between the two teams that came into the year with the lowest expectations in the NFC West.

The winner gets the NFC West, the No. 1 seed, home-field advantage in January, a first-round bye. The loser gets a road wild-card game next weekend.

The 49ers have been the better team since November. Seattle has been the better team for longer. The Seahawks' season-long body of work is the better one. This is the week the 49ers and the Seahawks live for. Win and the playoffs start with a Sunday off. Lose and they start with a flight.

AI summary, sourced from 1 period article (49ers.com (Briana Jeannel))

Week 18 is the seeding finale. The 49ers and Seahawks meet for the NFC West and the No. 1 seed on Saturday night; the Eagles and Cowboys settle the NFC East. The Lions, who had been the conference's top seed for most of the year, can fall to the 3 seed without a Sunday win. Around the AFC, the Texans and Chiefs are competing for divisional spots; the Ravens and Bills already have theirs. Saturday night at Levi's Stadium is the closest thing this season has had to a regular-season playoff game.

AI summary, sourced from 1 period article (49ers.com (Briana Jeannel))

Through sixteen games the 49ers are 12-4 with a +76 point differential, the second-best in the NFC. Brock Purdy in his seven starts since returning: 6-1 record, 17 TDs to 7 INTs. Six-game winning streak; +13 average margin in those wins. Seattle is 13-3 with the NFL's second-ranked scoring defense (18.1 ppg). Sam Darnold has thrown 30 TDs to 8 INTs on the year. Jaxon Smith-Njigba leads the NFL in receiving yards. Both teams enter on six-game winning streaks; both lost to the Rams (the only team to beat either since early November). Vegas opens the 49ers as 3-point home favorites; total 41.

League standings entering Week 18

Standings as of kickoff, Week 18 (no future-game spoilers)

Around the league

  • Tied atop the league at 13-3: New England Patriots, Denver Broncos, Seattle Seahawks.

AFC

AFC East

TeamRecStrk
New England Patriots13-3--
Buffalo Bills11-5--
Miami Dolphins7-9--
New York Jets3-13--

AFC North

TeamRecStrk
Pittsburgh Steelers9-7--
Baltimore Ravens8-8--
Cincinnati Bengals6-10--
Cleveland Browns4-12--

AFC South

TeamRecStrk
Jacksonville Jaguars12-4--
Houston Texans11-5--
Indianapolis Colts8-8--
Tennessee Titans3-13--

AFC West

TeamRecStrk
Denver Broncos13-3--
Los Angeles Chargers11-5--
Kansas City Chiefs6-10--
Las Vegas Raiders2-14--

NFC

NFC West

TeamRecStrk
Seattle Seahawks13-3--
San Francisco 49ers12-4--
Los Angeles Rams11-5--
Arizona Cardinals3-13--

NFC East

TeamRecStrk
Philadelphia Eagles11-5--
Dallas Cowboys7-8-1--
Washington Commanders4-12--
New York Giants3-13--

NFC North

TeamRecStrk
Chicago Bears11-5--
Green Bay Packers9-6-1--
Detroit Lions8-8--
Minnesota Vikings8-8--

NFC South

TeamRecStrk
Carolina Panthers8-8--
Atlanta Falcons7-9--
Tampa Bay Buccaneers7-9--
New Orleans Saints6-10--

Game video

▶ Open in YouTube Seattle Seahawks vs San Francisco 49ers Full Game | 2025 NFL Season Week 18 Sim · channel: ScottSauceGaming

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Game info

Roof
outdoors
Surface
grass
Weather
57°F, wind 8 mph
Stadium
Levi's Stadium
Referee
Bill Vinovich
QB matchup
Brock Purdy vs Sam Darnold
Vegas line
49ers -2.5
Over/Under
47.5

Score

49ers 3, Seattle Seahawks 13

Recap

AI summary, sourced from 1 period article (49ers.com (Briana Jeannel))

Sam Darnold went 20 of 26 for 198 yards and Zach Charbonnet scored on a 27-yard run in the first quarter as the Seattle Seahawks shut down the 49ers 13-3 at Levi's Stadium. Seattle won its first NFC West title since 2020 and clinched the No. 1 seed, home-field advantage, and a first-round bye. The Seahawks outgained the 49ers 196-69 in the first half and took a 10-3 lead into the locker room. Drake Thomas intercepted a pass that went off Christian McCaffrey's hands at the Seattle 3. Eddy Pineiro made a 48-yard field goal for the 49ers' only points. The 49ers finish 12-5 and will play a wild-card game on the road.[1][2][3]

AI summary, sourced from 1 period article (49ers.com (Briana Jeannel))

A 13-3 loss is not the headline anyone in red and gold expected on Saturday night, but it is the headline the 49ers will live with for a week.

Seattle's defense, the second-ranked scoring defense in the league entering the night, did what it has done for two months: contain the run, force three-and-outs, take the football away on the one play that mattered. Drake Thomas intercepted a Purdy throw that went off Christian McCaffrey's hands at the Seattle 3 for the play that ended the 49ers' best chance to take an early lead. From there it was Sam Darnold managing the game and Zach Charbonnet scoring the only Seattle touchdown.

'You can not miss those versus a team like that,' Kyle Shanahan said after. The 49ers missed those. 'This team has been through a lot this year,' Shanahan said. 'Now we have got to do it the hard way, and we will embrace doing it the hard way.' The hard way means a wild-card road game next weekend. The hard way means coming back to Levi's Stadium only if the seeds break the right way. The hard way means winning four straight on the road to a Super Bowl.

12-5. The road to February starts on the road.

AI summary, sourced from 1 period article (49ers.com (Briana Jeannel))

Seahawks 13, 49ers 3. Margin: -10. Final regular-season record: 12-5, +66 differential.

  • Sam Darnold: 20-of-26 for 198, 0 TD, 0 INT.
  • Zach Charbonnet: 27-yard rush TD in Q1.
  • First-half yardage: SEA 196, SF 69.
  • Drake Thomas: INT at the SEA 3 off McCaffrey hands.
  • Pineiro: 48-yard FG (49ers' only points).
  • Six-game winning streak snapped.
  • Seattle wins NFC West, No. 1 seed, home-field, first-round bye.
  • 49ers playing wild-card on the road.
AI summary, sourced from 1 period article (49ers.com (Briana Jeannel))

A 13-3 loss at Levi's Stadium. The 49ers finish 12-5 and will play a wild-card game on the road.

How it unfolded

Seattle scored first. Zach Charbonnet's 27-yard run capped the opening drive for a 7-0 Seahawks lead. Eddy Pineiro hit a 48-yarder before the half to make it 10-3. The 49ers' first real scoring chance ended on a Drake Thomas interception at the Seattle 3 off a Christian McCaffrey deflection. The second half was a Seahawks defensive shutout: three 49ers possessions, three punts. The Seahawks added a fourth-quarter field goal to make it 13-3 and never threatened to lose the lead.

The turning point

The McCaffrey deflection. With the 49ers driving for a tying touchdown in the second quarter, Brock Purdy's throw into the red zone ricocheted off McCaffrey's hands and into Drake Thomas' arms at the 3-yard line. The Seahawks took over and the 49ers did not get back into scoring range until Pineiro's 48-yarder.

By the numbers

Sam Darnold 20-of-26 for 198 yards, no TDs and no INTs. Charbonnet's 27-yard touchdown the only Seattle six. The 49ers' offense managed 69 yards in the first half, the lowest first-half total of the season. Brock Purdy threw an interception, his second of the night, in the fourth quarter on a strip-sack attempt; his line was incomplete on most of his red-zone throws.

Personnel watch

Linebacker Tatum Bethune and defensive lineman Sam Okuayinonu each recorded sacks. The 49ers' defense held Seattle to 13 points on the road; that is winning football most weeks. The offense, against the second-ranked scoring defense in the NFL, did not produce. Pineiro's 48-yard field goal was the 49ers' only score.

What it means

The 49ers' six-game winning streak ends on the night the streak mattered the most. Seattle wins the NFC West and the No. 1 seed. The 49ers' playoffs begin on the road next weekend.

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