Update 7th September 9.00 a.m. UTC
Haishen made landfall as a low-end Category 2 hurricane near Ulsan in South Korea in the morning hours, on Monday local time, maximum sustainable winds are 111 km/h (60 KT), gusts 138 km/h (75 KT).
The typhoon caused less severe damage than expected, however it still left hundreds of thousands of homes without power in the Kyushu Island. At least four people are missing and thirty-five people have been injured.
The next predicted movement is north near North Korea's port city of Chongjin, late on Monday.
Update 6th September 8.00 p.m. UTC
The storm is near 30.9N 129.4E, maximum winds have not decreased and stay 176 km/h (95 KTS), with gusts 213 km/h (115 KTS).
It is currently nearing the Tsushima Island, the next movement should be towards the Korean Peninsula. Haishen is forecast to move close to Busan on Monday morning.
More than 1.8 million people had to evacuate as the typhoon battered Japan's southern mainland on Sunday. Haishen has caused power outages with strong winds and driving rain.
Update 6th September 9.00 a.m. UTC
Currently located near 29.3N 130.0E, Typhoon Haishen has slightly weakened before it makes landfall in Japan. The forward speed is near 33 km/h (18 KTS).
Maximum sustained winds decreased to 176 km/h (95 KTS), with gusts 213 km/h (115 KTS).
Typhoon has already hit the Ryukyu Islands off Japan's southwestern coast on Sunday, bringing strong winds and heavy rain.
The system is now near Amami-Oshima Islands in Kagoshima prefecture. On the forecast track, Haishen will move toward the west coast of the Kyushu Islands from Sunday night through Monday morning local time and then is expected to impact the Korean Peninsula in the next 36 hours.
Typhoon brings heavy rain, strong wind, high waves, and tidal surges.
Update 5th September 7.00 p.m. UTC
Typhoon Haishen, located near 25.4N 131.0E is currently moving toward the northwest near 16.6 km/h (9 KT).
Maximum sustained winds have remained at 212 km/h (115 KT) with gusts 259 km/h (140 KT). It is forecasted that the system will slightly weaken before it will make a landfall west of Busan, South Korea.
Super Typhoon is the third typhoon to encounter the Korean Peninsula in just two weeks.
Update: 5th of September, 11:00 a.m. UTC
Haishen is positioned near 24.6N 131.5E with maximum sustainable winds of 212 km/h (115 KT), gusts 259 km/h (140 KT).
The Kyushu region is under a threat of record-breaking winds, high waves, storm surges and unprecedented heavy rains.
There is also increasing risk of flooding from larger rivers in Kyushu as well as in other regions.
Update: 4th of September, 10:00 p.m. UTC
Typhoon Haishen is moving west-north-west at 15 km/h (8 KT) with position approximately 280 kilometers south of Minami Daito Island in the Pacific Ocean.
The storm has likely hit its peak intensity and slow weakening should begin on Saturday morning. It will probably pass near the Japanese island of Amami Oshima on Sunday.
Haishen should then hit South Korea on Sunday afternoon as a weakening category 3 or category 2 storm.
Update: 4th of September, 8:00 a.m. UTC
Haishen is forecast to surpass Maysak as the strongest storm in the western Pacific so far this season.
The storm will likely near Okinawa by Sunday, maximum winds are projected to be 288 km/h by that time, putting the storm to the Category 5 hurricane.
Even though, it should slightly weaken before approaching Kyushu and the Korean Peninsula, it will remain very dangerous and powerful.
Haishen is currently packing winds of 250 km/h (135 KT) and gusts 305 km/h (165 KT).
Update: 3rd of September, 8:00 a.m. UTC
Typhoon Maysak made a landfall as Category 2 storm along the south coast of the Korean Peninsula while packing 160 km/h wind speeds.
Haishen continues to develop south of Japan and moving over the extremely warm water of the tropical Western Pacific. It is predicted to make landfall on the Korean Peninsula on September 6 or 7.
Update: 2nd of September, 10:00 a.m. UTC
Maysak is currently equivalent to a Category 4 hurricane, storm is packing winds of 185 km/h (100 KT) with gusts 231 km/h (125 KT).
However it is expected to weaken to a Cat.2 hurricane, before its landfall on Wednesday night on the Korean Peninsula.
South Korea should expect heavy rainfall and strong winds on both Wednesday and Thursday.
Haishen is predicted to strengthen into a hurricane in the next several hours. Maximum winds are 120 km/h (65 KT).
It could potentially reach hurricane level 5 in the next few days.
Update: 1st of September, 8:00 p.m. UTC
Maysak has again slightly intensified, maximum sustainable winds are 222 km/h (120 KT) and gusts 268 km/h (145 KT).
The typhoon now continues to track towards the west of Busan – South Korea’s second-largest city, where it should potentially make landfall on Wednesday night local time.
Tropical storm Haishen represents another significant threat, since it is now gaining strength in the Northwest Pacific and is likely to intensify to Category 4 hurricane and strike the southwest of Japan on the weekend and the Korean Peninsula right after that.
Haishen's maximum winds are now 83 km/h (45 KT) with position near 20.5N 144.1E.
Below you can see the forecasted path of both storms with the Wind accumulation in next 10 days:
Update: 1st of September, 9:00 a.m. UTC
Maysak's eyewall stayed away from the main Okinawa island, however it has hammered the Kume island, located about 60 miles west of Okinawa Island.
The storm has intensified to the equivalent of a Category 4 storm early Tuesday morning.
Typhoon is currently at 27.1N 126.2E with maximum sustainable winds 212.98 km/h (115 KT), gusts 259.28 km/h (140 KT).
It is expected to target South Korea on Wednesday night.
Update: 31st of August, 7:00 p.m. UTC
Maysak is currently passing west of Okinawa island with maximum winds of 203 km/h (110 KT) and gusts 250 km/h (135 KT).
The Maysak's eyewall, which contains the strongest winds, will fortunately miss much of the island.
Further movement will be north into the East China Sea, where it will make landfall in South Korea Wednesday night, local time.
Update: 31st of August, 7:00 a.m. UTC
Maysak is slowly nearing the southern Okinawa with maximum sustainable winds 175 km/h (95 KT) and gusts 212 km/h (115 KT).
It is expected to approach the prefecture of Okinawa and the Amami region in Kagoshima Prefecture on Monday night or Tuesday.
Waves could reach up to 13 meters high around Okinawa main island with a threat of high tides, which could cause flooding in coastal areas and near the mouths of rivers.
Update: 30th of August, 9:00 p.m. UTC
Typhoon Maysak, locally known in the Philippines as Julian, is currently located near 20.8N 128.5E in the East China Sea.
It will move near the southern Japan, including Okinawa, late Monday or early Tuesday, before striking South Korea with heavy rainfall and damaging winds.
Storm is packing winds of 166 km/h (90 KT) and gusts 203 km/h (110 KT).
Maysak should further strengthen on Monday, reaching Category 4 Atlantic hurricane level.