San Francisco 49ers host the Seattle Seahawks tomorrow at Levi’s Stadium with the NFC West title and the conference’s No. 1 seed. While the 12-4 49ers enter on a six-game winning streak, their depth will be tested as All-Pro left tackle Trent Williams (hamstring), tight end George Kittle (ankle) and receiver Ricky Pearsall (knee/ankle) are all questionable.
The 13-3 Seahawks come in with the league’s second-leading scoring defense and can secure home-field advantage throughout the playoffs with a win or a tie. San Francisco got a massive boost when Christian McCaffrey and fullback Kyle Juszczyk returned to full participation in practice, but the potential absence of Williams remains a significant issue for Brock Purdy against Seattle’s physical rush. This winner-take-all scenario prompted analysts to make a final re-evaluation of their game-day projections.
The results of these simulations were compared with the updated betting odds to construct the data-driven Seahawks-49ers preview below.
Seahawks vs. Betting Preview 49ers
Explore the interactive widget below to see the latest spread, over/under and moneyline betting odds and odds for the Seahawks-49ers game at Levi’s Stadium.
This prediction and best bet for Saturday’s NFL game between the Seahawks and 49ers comes from Dimers.comreliable source for sports betting predictions.
Check out all the important details on tonight’s match as well as the best odds from the best bookmakers in the country.
Game details
Key information about the game Seahawks vs. 49ers, including where the game is and when it starts.
- Teams: Seattle Seahawks vs. San Francisco 49ers
- data: Saturday, January 3, 2026
- Excavations: 8:00 PM EST
- Location: Levi’s Stadium
- NFL standings: Current NFL Division Standings
- NFL Injuries: Check out the latest updates on the NFL’s official injury report
Courses
Odds on key markets on the Seahawks-49ers NFL showdown.
- Spreads: Seahawks -2.5 (-105), 49ers +2.5 (-105)
- Moneylines: Seahawks -135, 49ers +120
- Total: Over/Under 48 (-110/-110)
The odds and lines shown here are the best available from selected sports betting sites at the time of publication and are subject to change.
Expert Prediction: Seahawks vs. 49ers
Using advanced data analysis and computing power, Dimers experts ran 10,000 simulations of Saturday’s Seahawks vs. 49ers game.
According to Dimers’ popular predictive analytics model, The Seahawks are more likely to beat the 49ers at Levi’s Stadium. This prediction is based on a model that gives the Seahawks a 56% chance of winning the game.
Elsewhere on the betting board, Dimers predicts that the 49ers (+2.5) have a 58% chance of covering the spread, while the 48-point over/under has a 52% chance of staying under.
As always, these predictions and probabilities are correct at the time of publication, but are subject to potential change.
Best bet Seahawks vs. 49ers
Our best pick for Seahawks vs. 49ers Week 18 NFL is to bet on 49ers +2.5 (-105).
This expert betting advice is based on state-of-the-art simulations and valuable betting intelligence designed to bring you the best possible games.
Score Prediction for Seahawks vs. 49ers
Dimers Projected Final Score for Saturday’s Seattle vs. San Francisco has the Seahawks win 24-23.
This expert prediction is based on each team’s average score after 10,000 game simulations and offers insight into the potential outcome.
NFL Player Supporters: Saturday
NFL tips are a great way to bet on Saturday’s game without necessarily betting on the outcome.
This article contains the most likely first and all-time touchdown scorers for the Seahawks and 49ers, as well as projected player statistics.
Seattle Seahawks
First Touchdown Scorer Predictions
- Jaxon Smith-Njigba: 10.7% probability.
- Zach Charbonnet: 9.4% probability
- AJ Barner: 7.4% probability.
Anytime landing predictions
- Jaxon Smith-Njigba: 47.0% probability
- Zach Charbonnet: 42.8% probability
- AJ Barner: 35.6% probability
Predicted Box Score Leaders
- QB Passing Yards: Sam Darnold237 yards
- Receiving Yards: Jaxon Smith-Njigba99 yards
- Rushing yards: Kenneth Walker53 yards
San Francisco 49ers
First Touchdown Scorer Predictions
- Christian McCaffrey: 14.6% probability
- George Kittle: 7.0% probability
- John Jennings: 6.3% probability.
Anytime landing predictions
- Christian McCaffrey: 60.3% probability.
- George Kittle: 35.7% probability
- John Jennings: 32.9% probability
Predicted Box Score Leaders
- QB Passing Yards: Brock Purdy245 yards
- Receiving Yards: George Kittle61 yards
- Rushing yards: Christian McCaffrey72 yards
NFL Week 18: Seahawks vs. 49ers
Get ready for Saturday’s Week 18 game between the Seahawks and 49ers National Football League season at Levi’s Stadium, scheduled to begin at 8:00 PM EST. Please note that all NFL predictions and NFL best bets in this preview are derived from 10,000 data-driven simulations of Seahawks vs. 49ers and are correct at the time of publication to help you make more informed betting decisions at online bookmakers.
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