Olaf can combine Berserker Rage, Vicious Strikes, and Ragnarok at low life to become deceptively strong.
The bonus healing granted by Vicious Strikes amplifies your Life Steal from all sources as well as heals from allies.
Aqua Prison is a very powerful ability with a long cooldown, take advantage of the situation if Nami misses this ability.
Tidal Wave has a very long range but travels slowly, be aware of when it is coming your way as you can move out of its path.
Try to avoid fighting an opponent affected by Tidecaller's Blessing, it lasts a short duration so waiting it out can help you greatly.
The stats provided here underscore some critical Olaf versus Nami counter stats that can help us understand the distinctions between this pair of champs. As an example, Olaf’s KDA ratio ([kills + assists] / deaths) of NaN is better than Nami’s ratio of NaN, indicating that Olaf may be more central to his team's team fighting effectiveness than Nami. This observation is in large part caused by the difference in kills.
Olaf normally has a much larger longest killing spree than his enemy does. On average, he takes more damage than Nami. This typically indicates differing health capacities; however, it can also show that the champion with more health has less mobility and thus is unable to flee from further damage when engaged or poked.
Both LoL champions are great champions. Both champs have their pros and cons. In League's current meta, Olaf usually loses when facing off against Nami, with a 48.8% win rate. Therefore, Olaf makes a poor counter to Nami.
While Olaf does have a lower winrate than Nami, when on opposite teams, Olaf also has a lower learning curve that makes him a less challenging champ to pick up and master. You should be careful when picking Olaf into Nami.
Moreover, Olaf has only a small amount of CC and other utility, a similar amount to Nami. This often makes her just as valuable during teamfights, especially when fighting champions with a ton of burst damage.
While there is not one best champion overall in League of Legends, in Olaf vs Nami matchups, Nami is the better champ with a lower win rate, less champion complexity, and a similar amount of utility to help out your team members during teamfights.
Olaf is a somewhat poor counter to Nami. Make sure you focus your actions on keeping up your gold and cs and clearing objectives. If you do that, you should do very well as Olaf against Nami.
If you would like to learn all of the intricacies of Olaf to counter Nami during both the laning and mid / late game phases of League of Legends, you should continue reading to pick up a few extra lessons on this matchup. If you mind the build and suggestions shown here, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Olaf often racks up much more CS relative to Nami. Champs who on average don't acquire much CS usualy don't require much CS to be valuable teammates, such as sup champs. These kinds of champions are capable of scaling well off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, typically need many items to be effective. In either case, try to do better than the numbers reported here to do well.
The top items to focus on in your Olaf versus Nami build include Sterak's Gage, Experimental Hexplate, and Ravenous Hydra. When Olaf bought at least these three items in his build, he did much better when fighting Nami than with many other typical item sets. In fact, Olaf had an average winrate of 48.8% when playing against Nami with this counter build.
To have the greatest chance of crushing Nami as Olaf, Olaf players should take the Conqueror, Triumph, Legend: Alacrity, Last Stand, Biscuit Delivery, and Approach Velocity runes from the Precision and Inspiration rune sets. Out of all the rune combinations players chose for Olaf vs Nami battles, this mix of runes yielded the best win rate. Moreover, these runes gave a 48.8% win rate overall.
If you want to get Olaf versus Nami tips and counter builds for a a distinct player tier, feel free to choose one from the selection menu shown above. At first, the statistics and strategies given are computed using all games completed with both champs.