Fukuroi Surf Fishing Guide: Ota River Mouth, Asaba Beach and Benzaiten River on the Enshu-nada

This guide covers the surf in Fukuroi, Shizuoka (Asaba beach), between Iwata and Kakegawa on the Enshu-nada coast. It is one of the quieter stretches of the Enshu-nada, but it has a river mouth at each end and shallow Asaba beach in the middle. With fewer anglers, you can search for flounder and flathead at your own pace.

Fukuroi’s coastline runs for about 6 km, between the Ota River in the west and the Benzaiten River in the east. It is not as famous as Nakatajima or Ryuyo, but that means anglers spread out more.

Enshu-nada and the Fukuroi surf

The Enshu-nada surf runs for more than 100 km from Omaezaki in Shizuoka to the Atsumi Peninsula in Aichi, facing the open sea and famous for yellowtail and flounder. Fukuroi combines a shallow sandy beach with two river mouths. The Ota River is a sizeable river with brackish water at its mouth. The Benzaiten River in the east is a small river about 4 km long; according to Shizuoka Prefecture, its mouth has a training wall, and wide tidal flats appear at low tide.

Behind the beach is a 12 m dune-style tsunami seawall and two refuge mounds called “Inochiyama”: one from the Edo period and a modern one. The beach is on the far side of the seawall, so expect a short walk from your car.

1. East side of the Ota River mouth (Minato area)

The western end of the Fukuroi surf is the Ota River mouth. The west bank is Fukude in Iwata; the east bank is Minato in Fukuroi. From the Fukuroi side, start on the east of the mouth.

River current meets the waves here, forming current lines where bait collects. Recent ANGLERS records for the Ota River mouth (about 70 catches in August–September 2026) were led by trevally (mekki), then flathead, plus small flounder, yellowfin bream, young amberjack, nibe croaker and ribbonfish. A big variety, as you would expect from a river mouth.

In autumn, seabass chase spawned-out sweetfish and mullet fry; flathead and trevally run from summer to autumn; and flounder are the main target in autumn and winter. When the river is stained, work the line between dirty and clean water. After heavy rain the mouth runs very fast, so wading is dangerous. The Fukude beach breakwater on the Iwata side is reported to be closed to fishing.

2. Asaba beach

The main area of the Fukuroi surf stretches between the two rivers, with the seawall as a landmark. It is a shallow sand beach with almost no snags. It is also a known surf spot, so expect surfers on good-wave days. Fukuroi City notes that the shallow beach means waves change a lot, so rips and current seams move from day to day.

On a beach like this, look for lanes where waves do not break: rips. Find gaps in the white water, or foam and debris drifting out, and work the edge of the current rather than its core, retrieving diagonally.

Expect Japanese whiting and flathead in summer and flounder in autumn and winter. Yellowtail depend on Enshu-nada-wide runs, so be ready to throw a metal jig long when bait arrives and birds start working.

Parking and toilets exist but are limited. The city’s landscape plan says they are currently insufficient and plans improvements. Follow local signs and never park on farm roads or residential streets.

3. Benzaiten River mouth (Fukuroi–Kakegawa border)

At the eastern end of Asaba beach, the Benzaiten River marks the border with Kakegawa. It is small, but at low tide wide flats and reed beds appear in front of the mouth, which helps bait grow. Its outflow is one of the few clear features on this beach, so it is a good place to start at dawn. Target flounder, flathead and seabass. When the falling tide pushes water out, work both sides of the outflow. Do not walk on the training wall; fish from the sand. The area is part of the Omaezaki-Enshunada Prefectural Natural Park, so avoid trampling the flats and reeds.

Extra: Fukude fishing port on rough days

When the surf is too rough, Fukude fishing port in Iwata, west of the Ota River, is an alternative, with about 3,700 catches logged on ANGLERS. It is a working port, so stay out of restricted areas and away from mooring lines, and do not go onto low jetties in rough weather.

Spot comparison

Fish and seasons

Safety and etiquette

• Loggerhead turtles: May to August is nesting and hatching season. Do not shine strong lights on the beach at night, and keep away from protection ropes and markers
• Do not drive on the sand: local authorities cite vehicles as a cause of damage to nesting habitat
• Parking: limited; never park on the road or farm roads
• Share with surfers: check around you before casting
• Life jacket: rips and sudden drop-offs exist even on shallow beaches
• Flooding: after heavy rain, the river mouths run hard; do not wade

My take

Fukuroi is a shallow beach framed by two river mouths. The middle is featureless, but having easy-to-read river mouths at both ends is reassuring. My suggested route: start at one of the river mouths at dawn, then walk Asaba beach looking for rips once it gets light. With fewer anglers, finding a flounder by reading the beach yourself is very satisfying.

Read next

• Kakegawa Surf Fishing Guide
• Hamamatsu Surf Fishing Guide
• Omaezaki–Makinohara Surf Fishing Guide

MINAGIMAN

JAPAN ANGLER

TwitterInstagramYouTube

Born in 1994. Originally from Hyogo Prefecture, I moved to Iwata City in Shizuoka Prefecture in search of the sea. I am an Enshunada surf angler who enjoys surf fishing. I am also active on YouTube, and my fishing grounds range from Irago to Iwata.