County, ocean beach included. A lot of big waves. Big waves. I wouldnt venture out there. Well keep a close eye on the kids. Theyre not allowed to go in the water without us. Reporter surfers enjoyed the larger swells but even they were worried if they could handle the conditions. Its been a little smaller this week and then today its kind of doubled in size. Reporter fun but dangerous. A year ago this month a father and son were swimming at ocean beach when they were swept out. Fortunately they were rescued, but thats not always the case. Shawn, who has been a lifeguard for 17 years, has witnessed the not so fortunate cases one too many times. It can happen really fast along the coast of california when we have these long interval swells that build and creep up out of nowhere. Reporter ocean beach has been called the most dangerous city beach for strong rip tides. Signs out here are a constant reminder of that. Lifeguards on duty still catch people testing the waters and have this message for them. Keep it knee deep. If it goes past your knees, run back towards shore. Reporter and lifeguards will keep repeating the safety warning as many times as it takes. Especially this Holiday Weekend. In San Francisco, janet oh, abc 7 news. All right. And tomorrow is actually a spare the air day. Spencer christian has a look at how hot the temperatures are. Spencer . Its hot already but its going to be even hot they are week, and im sorry to say the air quality will be declining so, yes, spare the air tomorrow. A look at live doppler 7 hd. As you know we have sunny skies and warm conditions, warm to hot all across the bay area. Here is a look at our high temperatures so far. We have seen upper 90s in santa rosa, antioch, livermore, gilroy. Low 90s around the bay. 93 the high so far in richmond. San francisco has topped out at 90 degrees and the high so far 73 in half moon bay. Lets talk about the beach hazard because its very important. Its in effect through this evening for our south and southwest facing beaches. Theres the possibility of strong rip currents, large shore breaks. And once again, if you dont need to wade out into the water, just dont do it. Its too risky. Stay safe and stay healthy. Here is the live view. Folks enjoying the weather. Air quality will be declining tomorrow and it will remain poor for the remainder of the week just as high temperatures are going to remain above 100 degrees inland for the rest of the week. Its going to be a hot week, uncomfortable conditions and poor air quality. A look at when we can expect a break later. Fresno county wildfire burning in Kings County National Park has grown to more than 95,000 acres. Fire officials have closed all campgrounds in the area. The fire is getting closer to cedar grove, a Small Development with a lodge, restaurant and store. The lightning sparked blaze broke out july 31, the largest wildfire in the state this year and is only 31 contained. San Francisco Police are investigating a hate crime and asking for help catching whoever is behind it. Racist graffiti with the words no more chinese has been spray painted on at least five locations across the neighborhood including an abandoned Grocery Store and playground. Officers are asking people with surveillance cameras perhaps to check their footage and see if it shows the culprits. And, remember, when you see news where you live, take a photo or video using abc7now. Were going to show it on the air or abc7news. Com. Today authorities arrested a woman who jumped off the bay bridge last month to escape from officers. Erlynn sanchezedwards was taken into custody in oakland on several charges including vehicle theft, resisting arrest, and hitandrun causing injury. On august 12 investigators said she was driving a stolen vehicle when she hit a guardrail. When the chp tried to question her, she jumped 75 feet into the bay. Investigators received tips that helped them track her down. In los gatos residents and city officials have a request for folks who are trying to bypass beach traffic on highway 17 to santa cruz. Dont cut through the town. Abc 7 News Reporters matt keller has the story. Reporter guess what. Youre not the only one with the great idea to head to the beach in santa cruz on a Holiday Weekend. Southbound traffic on highway 17 is notorious for backing up during the summer months through los gatos, campbell, even all the way to Stevens Creek boulevard in san jose. To avoid it people are cutting through los gatos trying to beat the backup. This time lapse video shows you a popular route from lark avenue north on santa cruz avenue through downtown and back on 17. The problem, youre freaking out the locals. It takes forever to get anywhere, so a lot of times ill have to change where im driving with everything. So im freaking out. Reporter during the prime beach drive hours getting through the santa cruz avenue intersection can take 20 minutes. In response los gatos city officials put up signs throughout town telling shortcut seeking drivers to head back to the highway. Police are also out making sure drivers arent blocking intersections and diverting traffic from usually quiet neighborhoods. The town council will look at the traffic mitigation measures and see what works and what doesnt because all it takes is a hot day on the weekend to get the blood boiling in the streets of los gatos. Because everyone is frustrated. The drivers themselves, theyre just following directions from the Navigation System and theyre just sitting there. Its a tense moment for everyone. Reporter the busiest times on highway 17 and through town according to locals is from 11 00 a. M. To 2 00 in the afternoon. Of course the best way to avoid traffic is to leave early or start late. In los gatos, matt keller, abc 7 news. Well, b. A. R. T. Crews are right on schedule rebuilding a section of track near the transbay tube that forced a closure this labor day weekend. The Transit Agency has 77 buses shuttling riders across the bay bridge and employees helping to guide riders once they step off the bus. Passengers say the commute hasnt been as bad as expected. Okay. It was a little weird but it was okay. It was kind of confusing. It was easy, yeah. It was better than i thought. Theyre coming every couple minutes. Actually see more people relying on b. A. R. T. Theyve heard the bus bridge works. Now b. A. R. T. Says this weekends closure has been a success. Ridership was down by only 38 saturday and 48 sunday compared to this time last year. The transbay tube is expected to reopen at 4 00 a. M. Tomorrow. Now download our free abc 7 news app to get the latest information on the closure of the transbay tube. Just enable the push alerts for instant updates the moment the tube reopens. And san leandro traffic on southbound 880 the corrector to 238 is moving again after an allday shutdown. Pg e crews repaired a downed power pole. This suv with a family of six inside crashed into the pole along the washington street off ramp just after midnight. That ramp is still closed and expected to reopen by 6 00 tonight. The two adults and four children inside the suv are expected to be okay. Well, overseas tens of thousands of desperate families are flooding into europe from the middle east this week. Some countries are welcoming the refugees, but not everyone is happy about it. Abc News Reporter molly hunter is in austria with details. Reporter its a dangerous fight to safety at every step of the way. We neat this person on the border to vienna. How did you get here . Im listening. [ inaudible ] nabil is headed for hamburg, germany, where he has family just two more train rides to go. What was the hardest part . From turkey to greece was the hardest ever in my whole life. Reporter after greece came macedonia then serbia and hungary. I cant even hear. We arrived to celebration, what awaits nabil in germany. 18,000 refugees crossed into germany to jubilation, cheers, and welcome signs. Germany expects to take 800,000 refugees by the end of the year, a rate angela amerimerkel says cant sustain. French president hollande says france will accept 24,000. But tonight if all goes according to plan, nabil will step off that train platform in germany and into his new life. Molly hunter, abc news, vienna, austria. Well, coming up at 4 30, abc 7 News Reporter david louie talks to a family granted asylum in the bay area. Theyre now separated from the father after isis attacked their hometown in iraq. The challenges theyre facing here in the u. S. Coming up at 4 30. Still ahead on abc 7 news at 4 00, the democratic president ial race tightens up and Vice President joe biden looking more and more like a guy ready to run. Plus around the clock labor in wine country. Were going to take you there for a look at harvest in high gear. And then new at 4 30, watch this. The two High School Football players in big trouble for their vicious hits on an unsuspecting official. And at 4 10 on this labor day as we take a look at your drive, wow. The skyway moving. This never happens except on a holiday like today. On the righthand side that is your traffic heading southbound to 101 south peninsula and beyond. Thats nice. I know. Trying to get on the lower deck of the bay bridge and on over to the across america, people like badominique wilkins. Er. Are taking charge of their type 2 diabetes. With noninsulin victoza®. For a while, i took a pill to lower my blood sugar. But it didnt get me to my goal. So i asked my doctor about victoza®. He said victoza® works differently than pills. And comes in a pen. Victoza® is proven to lower blood sugar and a1c. Its taken once a day, any time. Victoza® is not for weight loss, but it may help you lose some weight. Victoza® is an injectable prescription medicine that may improve blood sugar in adults with type 2 diabetes when used with diet and exercise. It is not recommended as the first medication to treat diabetes. And should not be used in people with type 1 diabetes or diabetic ketoacidosis. Victoza® has not been studied with mealtime insulin. Victoza® is not insulin. Do not take victoza® if you have a personal or Family History of medullary thyroid cancer. Multiple endocrine neoplasia syndrome type 2, or if you are allergic to. Victoza® or any of its ingredients. Symptoms of a serious allergic reaction. May include itching, rash, or difficulty breathing. Tell your doctor. If you get a lump or swelling in your neck. Serious side effects may happen in people who take victoza®. Including inflammation of the pancreas pancreatitis . Stop taking victoza®. And call your doctor right away if you have signs of pancreatitis such as severe pain that will not go away in your abdomen or from your abdomen to your back. With or without vomiting. Tell your doctor about all the medicines you take. And if you have any medical conditions. Taking victoza® with a sulfonylurea or. Insulin may cause low blood sugar. The most common side effects are headache, nausea. Diarrhea, and vomiting. Side effects can lead to dehydration. Which may cause kidney problems. If your pill isnt giving you. The control you need. Ask your doctor about noninsulin victoza®. Its covered by most health plans. 50 years ago this week, cesar chavez would help launch a great boycott and nationwide battle for farm worker rights. Chavez first learned the craft of Community Organizing at this meeting hall in san jose and now the building stands one step closer to being named a National Historic landmark. It sits on the grounds of our lady of Guadeloupe Catholic Church on East San Antonio street. It recently earned status as a california historic landmark. About 200 people enjoy the south bay Labor Councils labor day picnic. Leaders joined the members. Labor leaders organized todays picnic to celebrate the contributions working families make across silicon valley, but they stress more work needs to be done to raise wages for contract workers like cleaning people at tech companies. President obama marked labor day by making a move that will help an estimated 300,000 u. S. Workers. I signed a new executive order requiring federal contractors to allow employees who work on our contracts to earn up to seven paid sick days a year. The president made that announcement today during a union rally in boston. The executive order is expected to affect low wage workers the most because theyre less likely to have paid sick leave. The u. S. Chamber of commerce is threatening to sue saying the president has overstepped his community. An estimated 44 million Americans Still work without paid sick leave. Well, now to your voice, your vote. President ial candidates hit the campaign trail hard. Vice President Joe Biden says he hasnt made a decision on whether hell run, but he really worked the crowd along a parade route in pittsburgh today. Some were even cheering, run, joe, run. Hillary clinton may be in trouble. Abc News Reporter kenneth mole ton is in washington. Reporter Hillary Clinton laboring for votes in iowa. New poll numbers have her percentage dropping in that state and in New Hampshire where Bernie Sanders is now leading by nine points. I think the secretarys people are getting very nervous about the energy our campaign is bringing forth. Reporter in the nbc maris poll, joe biden is at 20 in iowa. Biden was on the ground in pittsburgh at a labor day parade getting that all too familiar question from the crowd. Are you going to run . Im going to run part of the parade. Reporter speaking to the united steelworkers the vp jokingly said the media would compare his prounion labor remarks to something Bernie Sanders would say. The press will say, populist biden got up today or theyll say competing with Bernie Sanders, youre doing a hell of a job, by the way, with Bernie Sanders. Reporter gop candidates were also busy monday. Over the weekend several were in New Hampshire where donald trump has a 16point lead. Trump, who is seven points ahead in iowa, spent the holiday off the campaign trail. In a hypothetical general election matchup with clinton for the first time that new nbc poll has trump beating clinton by five points in iowa. If you cant beat him, invite him. Donald trump has accepted an invite from ted cruz to speak at a Tea Party Protest against the Iran Nuclear Deal on capitol hill wednesday. Kenneth motten, abc news, washington. Well, there is no day off for labor day in napa valley. It is crunch time in wine country. The crush is under way as the harvest is coming in. And weather is always a factor in the valley. Remember, this is the fourth year of drought. Wayne freedman is where things are really heating up. Wayne . Reporter the hot is adding to the urgency here. I hate the cliche but a doubleedged sword is a good way of explaining it. The heat has all the grapes ripe much earlier than usual but look at the size of this bunch. It might look terrific but its much smaller than usual and you can blame the drought. We expect scenes like this in the napa valley come september. Most seasons we could set our clocks by them. But this year its maybe not such a good idea. Were earlier than normal. In some cases a month earlier. Reporter in napa this morning a winemaker watched as a Record Number of trucks dropped off grapes at least for the date where the harvest would usually just be starting valley dwroegr are about onethird of the way through and yield are much lower. It ranges from 10 to as much as 50 . We had one vineyard came in 55 off. Reporter blame the cold snap last may combined with an extremely dry summer. Those are nuances the average buyers may not notice as they spent this day tasting, but they may feel differently in a few years as supply pushes up demand. Louis kramer and his wife cheryl came here after dropping off their son for freshman year at San Francisco state. Were willing to pay more for it, a little bit more. Reporter the upside, less fruit on the vine means better grapes, or so were told. Meantime, there is a heat wave coming this week that smaller grapes are more sensitive he especially when already ripened. So theres no rest on labor day. If grapes could talk, what would they be saying . Get me off the vine now. Reporter from the napa valley, wayne freedman, abc 7 news. Pick me. Pick me. Its time to check on our weather here. It is steamy around the bay area. Spencer christian is outside with the forecast. Yes, it is so warm right now. Its going to get hotter later in the week and remain that way for several days, im afraid to say. Live doppler 7 hd, sunny skies all across the bay area right now and it is really warm. Lets take a look at a live view of the western sky from our emeryville camera. Its currently 86 degrees in San Francisco after a high so far in San Francisco of 90. 90 right now in oakland. 92, 95 at morgan hill. 73 at half moon bay. A view of blue sky from our rooftop camera here at abc 7. Its 94 in santa rosa. 93 novato. Concord at 97 and livermore. Clear at golden gate. Traffic is moving smoothly. A spare the air day tomorrow. Declining air quality may be with us all weeklong. Triple digit heat will continue through friday, and the heat will probably not ease until the weekend. Satellite radar composite picture shows this huge, massive ridge of high pressure. Hot air as well and hot weather will be with us, as i mentioned, all weeklong. Well use downtown san jose as our hot weather indicator for the week ahead. The average high for san jose is only 83 degrees but the next three days well see highs in san jose about 13 to 14 degrees above the average. Dropping off to about 90 on saturday and then into the 80s on sunday and monday. Its pretty much a pattern well see all across the bay are