Small Craft Advisory 330, NWS Anchorage, AK

Issued

Apr 22, 2021, 3:59 PM AKDT (23:59 UTC)

Expired

Apr 23, 2021, 3:43 AM AKDT

In force

12 hr

Issued by

NWS Anchorage, AK

750 
FZAK52 PAFC 222359
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
359 PM AKDT Thu Apr 22 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-231245-
359 PM AKDT Thu Apr 22 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

Semisopochnoi Volcano, 140 nm northwest of Adak is currently 
active. 

A 997 mb low 175 nm South of Cape Sarichef dissipates Fri 
afternoon. A 995 mb North Pacific low moves to 180 nm south of Atka 
at 985 mb for Fri night then shifts to 100 nm south of Dutch Harbor 
at 989 mb by Sat afternoon. Its front remains south of the Aleutians 
and Alaska Peninsula. 

$$

PKZ150-231245-
South of the AK Peninsula Sitkinak to Castle Cape-
359 PM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...E wind 15 kt. Seas 8 ft.
.FRI...NE wind 15 kt. Seas 6 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 5 ft.
.SAT...SE wind 20 kt. Seas 5 ft.
.SAT NIGHT...SE wind 25 kt. Seas 8 ft.
.SUN THROUGH MON...E wind 30 kt. Seas 11 ft.
.TUE...NE wind 25 kt. Seas 8 ft.

$$

PKZ155-231245-
South of the AK Peninsula Castle Cape to Cape Sarichef-
359 PM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY TONIGHT AND FRIDAY NIGHT...

.TONIGHT...E wind 25 kt. Seas 9 ft.
.FRI...E wind 20 kt. Seas 7 ft.
.FRI NIGHT...SE wind 25 kt. Seas 6 ft.
.SAT AND SAT NIGHT...SE wind 30 kt. Seas 11 ft.
.SUN THROUGH MON...E wind 30 kt. Seas 10 ft.
.TUE...NE wind 20 kt. Seas 8 ft.

$$

PKZ160-231245-
Bristol Bay-
359 PM AKDT Thu Apr 22 2021

.TONIGHT...E wind 15 kt. Seas 2 ft.
.FRI...E wind 10 kt. Seas 1 foot.
.FRI NIGHT...NE wind 10 kt. Seas 1 foot.
.SAT...E wind 20 kt. Seas 2 ft.
.SAT NIGHT...E wind 25 kt. Seas 3 ft.
.SUN THROUGH MON...NE wind 25 kt. Seas 3 ft.
.TUE...NE wind 20 kt. Seas 2 ft.

$$

PKZ165-231245-
Port Heiden to Cape Sarichef-
359 PM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...E wind 15 kt. Seas 4 ft.
.FRI...E wind 15 kt. Seas 3 ft.
.FRI NIGHT...SE wind 25 kt. Seas 4 ft.
.SAT AND SAT NIGHT...SE wind 30 kt. Seas 7 ft.
.SUN THROUGH MON...NE wind 30 kt. Seas 6 ft.
.TUE...NE wind 20 kt. Seas 5 ft.

$$

PKZ170-231245-
Cape Sarichef to Nikolski Bering Side-
359 PM AKDT Thu Apr 22 2021

...GALE WARNING FRIDAY NIGHT...

.TONIGHT...NE wind 20 kt. Seas 7 ft.
.FRI...E wind 20 kt. Seas 4 ft.
.FRI NIGHT...E wind 25 kt increasing to 35 kt after midnight. Seas
5 ft building to 8 ft by afternoon. Rain.
.SAT...SE wind 35 kt. Seas 10 ft.
.SAT NIGHT...SE wind 20 kt. Seas 7 ft.
.SUN...E wind 25 kt. Seas 7 ft.
.MON...N wind 25 kt. Seas 6 ft.
.TUE...NE wind 20 kt. Seas 6 ft.

$$

PKZ171-231245-
Unalaska Bay-
359 PM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...E wind 15 kt. Seas 3 ft.
.FRI...E wind 15 kt. Seas 3 ft.
.FRI NIGHT...SE wind 20 kt increasing to 30 kt after midnight. Seas 
5 ft. Rain.
.SAT...SE wind 35 kt. Seas 5 ft.
.SAT NIGHT...S wind 15 kt. Seas 2 ft.
.SUN...SE wind 15 kt. Seas 2 ft.
.MON...NE wind 15 kt. Seas 3 ft.
.TUE...NE wind 10 kt. Seas 3 ft.

$$

PKZ172-231245-
Cape Sarichef to Nikolski Pacific Side-
359 PM AKDT Thu Apr 22 2021

...GALE WARNING FRIDAY NIGHT...

.TONIGHT...NE wind 25 kt. Seas 10 ft.
.FRI...E wind 20 kt. Seas 7 ft.
.FRI NIGHT...E wind 25 kt increasing to 35 kt after midnight. Seas
6 ft building to 9 ft after midnight. Rain.
.SAT...SE wind 30 kt. Seas 11 ft.
.SAT NIGHT...S wind 20 kt. Seas 12 ft.
.SUN...SE wind 20 kt. Seas 11 ft.
.MON THROUGH TUE...NE wind 20 kt. Seas 8 ft.

$$

PKZ173-231245-
Nikolski to Seguam Island Bering Side-
359 PM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY TONIGHT AND FRIDAY NIGHT...

.TONIGHT...NE wind 15 kt. Seas 8 ft.
.FRI...E wind 20 kt. Seas 5 ft.
.FRI NIGHT...E wind 30 kt. Seas 5 ft building to 8 ft after midnight.
Widespread rain showers.
.SAT...E wind 25 kt. Seas 8 ft.
.SAT NIGHT...NW wind 15 kt. Seas 8 ft.
.SUN THROUGH MON...NW wind 25 kt. Seas 9 ft.
.TUE...NE wind 20 kt. Seas 7 ft.

$$

PKZ174-231245-
Nikolski to Seguam Island Pacific Side-
359 PM AKDT Thu Apr 22 2021

...GALE WARNING FRIDAY NIGHT...

.TONIGHT...NE wind 15 kt. Seas 9 ft.
.FRI...E wind 20 kt. Seas 7 ft.
.FRI NIGHT...E wind 35 kt. Seas 10 ft. Rain.
.SAT...SW wind 20 kt. Seas 12 ft.
.SAT NIGHT...W wind 20 kt. Seas 11 ft.
.SUN...NW wind 25 kt. Seas 9 ft.
.MON...NW wind 30 kt. Seas 9 ft.
.TUE...NE wind 20 kt. Seas 7 ft.

$$

PKZ175-231245-
Seguam Island to Adak Bering Side-
359 PM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY TONIGHT AND FRIDAY NIGHT...

.TONIGHT...Variable wind 10 kt. Seas 8 ft.
.FRI...E wind 20 kt. Seas 6 ft.
.FRI NIGHT...E wind 30 kt. Seas 7 ft. Rain.
.SAT...N wind 20 kt. Seas 8 ft.
.SAT NIGHT...NW wind 25 kt. Seas 8 ft.
.SUN THROUGH MON...NW wind 30 kt. Seas 12 ft.
.TUE...NE wind 20 kt. Seas 7 ft.

$$

PKZ176-231245-
Seguam Island to Adak Pacific Side-
359 PM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY THROUGH FRIDAY NIGHT...

.TONIGHT...Variable wind 10 kt. Seas 8 ft.
.FRI...E wind 15 kt increasing to 30 kt in the afternoon. Seas 7
ft.
.FRI NIGHT...E wind 30 kt becoming N after midnight. Seas 10 ft. 
Widespread rain showers.
.SAT...NW wind 20 kt. Seas 10 ft.
.SAT NIGHT...NW wind 25 kt. Seas 8 ft.
.SUN THROUGH MON...NW wind 30 kt. Seas 10 ft.
.TUE...NE wind 20 kt. Seas 6 ft.

$$

PKZ177-231245-
Adak to Kiska-
359 PM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...N wind 15 kt. Seas 7 ft.
.FRI...NE wind 20 kt. Seas 6 ft.
.FRI NIGHT...NE wind 25 kt. Seas 6 ft.
.SAT...N wind 20 kt. Seas 7 ft.
.SAT NIGHT...NW wind 25 kt. Seas 7 ft.
.SUN THROUGH MON...NW wind 30 kt. Seas 11 ft.
.TUE...NE wind 25 kt. Seas 7 ft.

$$

PKZ178-231245-
Kiska to Attu-
359 PM AKDT Thu Apr 22 2021

.TONIGHT...N wind 15 kt. Seas 7 ft.
.FRI...N wind 15 kt. Seas 6 ft.
.FRI NIGHT...N wind 15 kt. Seas 6 ft.
.SAT AND SAT NIGHT...NW wind 15 kt. Seas 5 ft.
.SUN...NW wind 20 kt. Seas 7 ft.
.MON THROUGH TUE...NE wind 30 kt. Seas 8 ft.

$$

PKZ179-231245-
Pribilof Islands Near Shore Waters-
359 PM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...E wind 15 kt. Seas 6 ft.
.FRI...E wind 15 kt. Seas 4 ft.
.FRI NIGHT...E wind 15 kt increasing to 25 kt after midnight. Seas 5
ft.
.SAT...E wind 30 kt. Seas 8 ft.
.SAT NIGHT...E wind 25 kt. Seas 8 ft.
.SUN THROUGH MON...N wind 25 kt. Seas 8 ft.
.TUE...NE wind 20 kt. Seas 5 ft.

$$

PKZ180-231245-
Kuskokwim Delta and Etolin Strait-
359 PM AKDT Thu Apr 22 2021

.TONIGHT...NE wind 15 kt. Seas in ice free waters 3 ft.
.FRI...E wind 15 kt becoming SE in the afternoon. Seas in ice free
waters 2 ft.
.FRI NIGHT...E wind 15 kt. Seas in ice free waters 2 ft.
.SAT...E wind 25 kt. Seas in ice free waters 4 ft.
.SAT NIGHT...E wind 30 kt. Seas in ice free waters 7 ft.
.SUN THROUGH MON...NE wind 25 kt. Seas in ice free waters 6 ft.
.TUE...NE wind 20 kt. Seas in ice free waters 4 ft.

$$

PKZ181-231245-
North and West of Nunivak Island-
359 PM AKDT Thu Apr 22 2021

.TONIGHT...NE wind 10 kt. Seas in ice free waters 2 ft.
.FRI...E wind 10 kt. Seas in ice free waters 2 ft.
.FRI NIGHT...E wind 15 kt. Seas in ice free waters 2 ft.
.SAT...E wind 20 kt. Seas in ice free waters 2 ft.
.SAT NIGHT...E wind 25 kt. Seas in ice free waters 3 ft.
.SUN THROUGH TUE...NE wind 20 kt. Seas in ice free waters 3 ft.

$$

PKZ185-231245-
Saint Matthew Island Waters-
359 PM AKDT Thu Apr 22 2021

.TONIGHT...NE wind 10 kt. Seas in ice free waters 5 ft.
.FRI...E wind 15 kt. Seas in ice free waters 4 ft.
.FRI NIGHT...SE wind 15 kt. Seas in ice free waters 4 ft.
.SAT...E wind 20 kt. Seas in ice free waters 4 ft.
.SAT NIGHT...NE wind 25 kt. Seas in ice free waters 5 ft.
.SUN...N wind 25 kt. Seas in ice free waters 7 ft.
.MON...N wind 20 kt. Seas in ice free waters 5 ft.
.TUE...N wind 25 kt. Seas in ice free waters 5 ft.

$$

994 
FZAK52 PAFC 231143
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
343 AM AKDT Fri Apr 23 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-240030-
343 AM AKDT Fri Apr 23 2021

.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA 
WATERS AND THE ALEUTIAN ISLANDS...

Semisopochnoi Volcano, 140nm northwest of Adak is currently active.

A 988 mb low 320 nm southwest of Adak on Fri moves to 210 nm
southwest of Dutch Harbor on Sat. 

$$

PKZ150-240030-
South of the AK Peninsula Sitkinak to Castle Cape-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY SATURDAY...

.TODAY...NE wind 15 kt. Seas 6 ft.
.TONIGHT...Variable wind 10 kt. Seas 5 ft.
.SAT...SE wind 25 kt. Seas 6 ft.
.SAT NIGHT...SE wind 30 kt. Seas 9 ft.
.SUN THROUGH MON...NE wind 30 kt. Seas 11 ft.
.TUE...NE wind 20 kt. Seas 9 ft.

$$

PKZ155-240030-
South of the AK Peninsula Castle Cape to Cape Sarichef-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY...

.TODAY...E wind 20 kt. Seas 7 ft.
.TONIGHT...E wind 20 kt becoming SE 30 kt after midnight. From the
Shumagin Islands E, E wind 20 kt. Seas 6 ft.
.SAT...E wind 30 kt. Seas 11 ft. Widespread rain showers.
.SAT NIGHT...SE wind 30 kt. Seas 10 ft.
.SUN...SE wind 20 kt. Seas 11 ft.
.MON...NE wind 30 kt. Seas 10 ft.
.TUE...NE wind 20 kt. Seas 9 ft.

$$

PKZ160-240030-
Bristol Bay-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY SATURDAY...

.TODAY...E wind 10 kt. Seas 2 foot.
.TONIGHT...NE wind 10 kt. Seas 2 foot.
.SAT...E wind 25 kt. Seas 5 ft.
.SAT NIGHT...E wind 25 kt. Seas 5 ft.
.SUN...E wind 30 kt. Seas 6 ft.
.MON...NE wind 20 kt. Seas 4 ft.
.TUE...NE wind 15 kt. Seas 3 ft.

$$

PKZ165-240030-
Port Heiden to Cape Sarichef-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY...

.TODAY...E wind 15 kt. Seas 3 ft.
.TONIGHT...E wind 20 kt increasing to 30 kt after midnight. From
Port Moller E, E wind 20 kt. Seas 4 ft.
.SAT...E wind 30 kt. Seas 7 ft.
.SAT NIGHT...SE wind 30 kt. Seas 7 ft.
.SUN...E wind 30 kt. Seas 6 ft.
.MON...NE wind 25 kt. Seas 5 ft.
.TUE...NE wind 20 kt. Seas 6 ft.

$$

PKZ170-240030-
Cape Sarichef to Nikolski Bering Side-
343 AM AKDT Fri Apr 23 2021

...GALE WARNING TONIGHT AND SATURDAY...

.TODAY...E wind 15 kt increasing to 25 kt in the afternoon. Seas
4 ft.
.TONIGHT...E wind 35 kt. Seas 9 ft. Rain.
.SAT...E wind 35 kt. Seas 10 ft. Rain.
.SAT NIGHT...SE wind 20 kt. Seas 7 ft.
.SUN...NE wind 25 kt. Seas 7 ft.
.MON THROUGH TUE...N wind 30 kt. Seas 10 ft.

$$

PKZ171-240030-
Unalaska Bay-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY...

.TODAY...E wind 20 kt. Seas 3 ft.
.TONIGHT...E wind 30 kt. Seas 5 ft. Rain.
.SAT...E wind 30 kt becoming SE 15 kt in the afternoon. Seas 5 ft
subsiding to 2 ft in the afternoon. Widespread rain showers.
.SAT NIGHT...S wind 10 kt. Seas 2 ft.
.SUN...NE wind 10 kt. Seas 3 ft.
.MON...N wind 20 kt. Seas 6 ft.
.TUE...N wind 15 kt. Seas 5 ft.

$$

PKZ172-240030-
Cape Sarichef to Nikolski Pacific Side-
343 AM AKDT Fri Apr 23 2021

...GALE WARNING TONIGHT AND SATURDAY...

.TODAY...NE wind 20 kt. Seas 7 ft.
.TONIGHT...E wind 35 kt. Seas 10 ft. Rain.
.SAT...SE wind 35 kt becoming S 20 kt in the afternoon. Seas 10 ft. 
Rain.
.SAT NIGHT...S wind 20 kt. Seas 12 ft.
.SUN...NE wind 15 kt. Seas 10 ft.
.MON...N wind 30 kt. Seas 9 ft.
.TUE...N wind 25 kt. Seas 9 ft.

$$

PKZ173-240030-
Nikolski to Seguam Island Bering Side-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TODAY...E wind 20 kt. Seas 5 ft.
.TONIGHT...E wind 30 kt. Seas 8 ft. Widespread rain showers.
.SAT...NE wind 20 kt. Seas 7 ft. Rain.
.SAT NIGHT...NW wind 15 kt. Seas 8 ft.
.SUN...N wind 30 kt. Seas 11 ft.
.MON...N wind 35 kt. Seas 13 ft.
.TUE...N wind 30 kt. Seas 9 ft.

$$

PKZ174-240030-
Nikolski to Seguam Island Pacific Side-
343 AM AKDT Fri Apr 23 2021

...GALE WARNING TONIGHT...

.TODAY...E wind 15 kt increasing to 25 kt in the afternoon. Seas
7 ft.
.TONIGHT...E wind 35 kt. Seas 10 ft. Widespread rain showers.
.SAT...W wind 20 kt. Seas 11 ft. Rain.
.SAT NIGHT...W wind 20 kt. Seas 10 ft.
.SUN...NW wind 30 kt. Seas 10 ft.
.MON...N wind 35 kt. Seas 13 ft.
.TUE...N wind 30 kt. Seas 10 ft.

$$

PKZ175-240030-
Seguam Island to Adak Bering Side-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...E wind 15 kt increasing to 25 kt in the afternoon. Seas
6 ft.
.TONIGHT...NE wind 25 kt. Seas 7 ft.
.SAT...N wind 20 kt. Seas 7 ft.
.SAT NIGHT...NW wind 25 kt. Seas 7 ft.
.SUN THROUGH MON...N wind 30 kt. Seas 12 ft.
.TUE...N wind 25 kt. Seas 9 ft.

$$

PKZ176-240030-
Seguam Island to Adak Pacific Side-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TODAY...E wind 15 kt increasing to 25 kt in the afternoon. Seas
7 ft.
.TONIGHT...NE wind 30 kt. Seas 9 ft. Widespread rain showers.
.SAT...NW wind 25 kt. Seas 10 ft.
.SAT NIGHT...NW wind 25 kt. Seas 8 ft.
.SUN THROUGH MON...NW wind 35 kt. Seas 11 ft.
.TUE...N wind 30 kt. Seas 8 ft.

$$

PKZ177-240030-
Adak to Kiska-
343 AM AKDT Fri Apr 23 2021

.TODAY...NE wind 20 kt. Seas 6 ft.
.TONIGHT...N wind 20 kt. Seas 6 ft.
.SAT...N wind 20 kt. Seas 6 ft.
.SAT NIGHT...NW wind 25 kt. Seas 7 ft.
.SUN THROUGH MON...N wind 30 kt. Seas 9 ft.
.TUE...NE wind 20 kt. Seas 6 ft.

$$

PKZ178-240030-
Kiska to Attu-
343 AM AKDT Fri Apr 23 2021

.TODAY...N wind 15 kt. Seas 6 ft.
.TONIGHT...N wind 15 kt. Seas 5 ft.
.SAT...Variable wind 10 kt. Seas 5 ft.
.SAT NIGHT...NW wind 15 kt. Seas 5 ft.
.SUN...NW wind 20 kt. Seas 5 ft.
.MON...N wind 20 kt. Seas 5 ft.
.TUE...NE wind 30 kt. Seas 10 ft.

$$

PKZ179-240030-
Pribilof Islands Near Shore Waters-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY...

.TODAY...E wind 15 kt. Seas 4 ft.
.TONIGHT...E wind 25 kt. Seas 6 ft.
.SAT...E wind 30 kt. Seas 8 ft.
.SAT NIGHT...NE wind 25 kt. Seas 8 ft.
.SUN THROUGH MON...N wind 30 kt. Seas 9 ft.
.TUE...N wind 25 kt. Seas 7 ft.

$$

PKZ180-240030-
Kuskokwim Delta and Etolin Strait-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY SATURDAY...

.TODAY...E wind 15 kt. Seas in ice free waters 2 ft.
.TONIGHT...E wind 15 kt. Seas in ice free waters 2 ft.
.SAT...E wind 25 kt. Seas in ice free waters 4 ft.
.SAT NIGHT...E wind 30 kt. Seas in ice free waters 7 ft.
.SUN...NE wind 30 kt. Seas in ice free waters 7 ft.
.MON THROUGH TUE...N wind 20 kt. Seas in ice free waters 4 ft.

$$

PKZ181-240030-
North and West of Nunivak Island-
343 AM AKDT Fri Apr 23 2021

.TODAY...SE wind 15 kt. Seas in ice free waters 3 ft.
.TONIGHT...E wind 15 kt. Seas in ice free waters 3 ft.
.SAT...NE wind 15 kt. Seas in ice free waters 3 ft.
.SAT NIGHT...E wind 25 kt. Seas in ice free waters 5 ft.
.SUN...N wind 20 kt. Seas in ice free waters 3 ft.
.MON...N wind 25 kt. Seas in ice free waters 6 ft.
.TUE...NW wind 20 kt. Seas in ice free waters 4 ft.

$$

PKZ185-240030-
Saint Matthew Island Waters-
343 AM AKDT Fri Apr 23 2021

.TODAY...E wind 15 kt. Seas in ice free waters 4 ft.
.TONIGHT...E wind 15 kt. Seas in ice free waters 4 ft.
.SAT...E wind 20 kt. Seas in ice free waters 4 ft.
.SAT NIGHT...NE wind 25 kt. Seas in ice free waters 5 ft.
.SUN THROUGH MON...NW wind 25 kt. Seas in ice free waters 5 ft.
.TUE...NW wind 20 kt. Seas in ice free waters 3 ft.

$$

Small Craft Advisories in Alaska, 2021Every small craft advisory in 2021

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.