20 (火)	03:03	09:29	16:03	21:47
	121cm	20cm	128cm	56cm
大潮 出 05:00 入 18:15 出 17:43 入 04:07 潮干狩り ○ 07:53～11:04

犬吠埼（千葉）2027年04月20日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
4/20 00:00	81.4	↑3.2
4/20 00:10	84.6	↑3.2
4/20 00:20	87.8	↑3.2
4/20 00:30	91.0	↑3.2
4/20 00:40	94.1	↑3.1
4/20 00:50	97.2	↑3.1
4/20 01:00	100.1	↑2.9
4/20 01:10	103.0	↑2.9
4/20 01:20	105.7	↑2.7
4/20 01:30	108.2	↑2.5
4/20 01:40	110.5	↑2.3
4/20 01:50	112.6	↑2.1
4/20 02:00	114.5	↑1.9
4/20 02:10	116.1	↑1.6
4/20 02:20	117.5	↑1.4
4/20 02:30	118.6	↑1.1
4/20 02:40	119.4	↑0.8
4/20 02:50	120.0	↑0.6
4/20 03:00	120.2	↑0.2	満潮
4/20 03:10	120.1	↓-0.1
4/20 03:20	119.7	↓-0.4
4/20 03:30	119.0	↓-0.7
4/20 03:40	118.0	↓-1.0
4/20 03:50	116.6	↓-1.4
4/20 04:00	115.0	↓-1.6
4/20 04:10	113.1	↓-1.9
4/20 04:20	110.9	↓-2.2
4/20 04:30	108.4	↓-2.5
4/20 04:40	105.7	↓-2.7
4/20 04:50	102.7	↓-3.0
4/20 05:00	99.5	↓-3.2
4/20 05:10	96.1	↓-3.4
4/20 05:20	92.6	↓-3.5
4/20 05:30	88.8	↓-3.8
4/20 05:40	85.0	↓-3.8
4/20 05:50	81.0	↓-4.0
4/20 06:00	77.0	↓-4.0
4/20 06:10	72.9	↓-4.1
4/20 06:20	68.8	↓-4.1
4/20 06:30	64.7	↓-4.1
4/20 06:40	60.6	↓-4.1
4/20 06:50	56.5	↓-4.1
4/20 07:00	52.6	↓-3.9
4/20 07:10	48.8	↓-3.8
4/20 07:20	45.1	↓-3.7
4/20 07:30	41.5	↓-3.6
4/20 07:40	38.2	↓-3.3
4/20 07:50	35.1	↓-3.1
4/20 08:00	32.2	↓-2.9
4/20 08:10	29.5	↓-2.7
4/20 08:20	27.1	↓-2.4
4/20 08:30	25.1	↓-2.0
4/20 08:40	23.3	↓-1.8
4/20 08:50	21.8	↓-1.5
4/20 09:00	20.7	↓-1.1
4/20 09:10	19.9	↓-0.8
4/20 09:20	19.4	↓-0.5	干潮
4/20 09:30	19.3	↓-0.1
4/20 09:40	19.5	↑0.2
4/20 09:50	20.1	↑0.6
4/20 10:00	21.0	↑0.9
4/20 10:10	22.3	↑1.3
4/20 10:20	23.9	↑1.6
4/20 10:30	25.8	↑1.9
4/20 10:40	28.0	↑2.2
4/20 10:50	30.5	↑2.5
4/20 11:00	33.3	↑2.8
4/20 11:10	36.3	↑3.0
4/20 11:20	39.6	↑3.3
4/20 11:30	43.1	↑3.5
4/20 11:40	46.8	↑3.7
4/20 11:50	50.7	↑3.9
4/20 12:00	54.7	↑4.0
4/20 12:10	58.8	↑4.1
4/20 12:20	63.0	↑4.2
4/20 12:30	67.3	↑4.3
4/20 12:40	71.6	↑4.3
4/20 12:50	76.0	↑4.4	最大潮位差
4/20 13:00	80.3	↑4.3
4/20 13:10	84.5	↑4.2
4/20 13:20	88.7	↑4.2
4/20 13:30	92.8	↑4.1
4/20 13:40	96.7	↑3.9
4/20 13:50	100.5	↑3.8
4/20 14:00	104.1	↑3.6
4/20 14:10	107.5	↑3.4
4/20 14:20	110.7	↑3.2
4/20 14:30	113.6	↑2.9
4/20 14:40	116.3	↑2.7
4/20 14:50	118.7	↑2.4
4/20 15:00	120.8	↑2.1
4/20 15:10	122.7	↑1.9
4/20 15:20	124.2	↑1.5
4/20 15:30	125.4	↑1.2
4/20 15:40	126.2	↑0.8
4/20 15:50	126.8	↑0.6
4/20 16:00	127.0	↑0.2	満潮
4/20 16:10	126.9	↓-0.1
4/20 16:20	126.5	↓-0.4
4/20 16:30	125.8	↓-0.7
4/20 16:40	124.8	↓-1.0
4/20 16:50	123.5	↓-1.3
4/20 17:00	121.9	↓-1.6
4/20 17:10	120.0	↓-1.9
4/20 17:20	118.0	↓-2.0
4/20 17:30	115.6	↓-2.4
4/20 17:40	113.1	↓-2.5
4/20 17:50	110.4	↓-2.7
4/20 18:00	107.6	↓-2.8
4/20 18:10	104.6	↓-3.0
4/20 18:20	101.5	↓-3.1
4/20 18:30	98.3	↓-3.2
4/20 18:40	95.1	↓-3.2
4/20 18:50	91.8	↓-3.3
4/20 19:00	88.6	↓-3.2
4/20 19:10	85.3	↓-3.3
4/20 19:20	82.2	↓-3.1
4/20 19:30	79.0	↓-3.2
4/20 19:40	76.0	↓-3.0
4/20 19:50	73.1	↓-2.9
4/20 20:00	70.4	↓-2.7
4/20 20:10	67.8	↓-2.6
4/20 20:20	65.4	↓-2.4
4/20 20:30	63.3	↓-2.1
4/20 20:40	61.3	↓-2.0
4/20 20:50	59.6	↓-1.7
4/20 21:00	58.2	↓-1.4
4/20 21:10	57.0	↓-1.2
4/20 21:20	56.1	↓-0.9
4/20 21:30	55.5	↓-0.6
4/20 21:40	55.2	↓-0.3	干潮
4/20 21:50	55.2	0
4/20 22:00	55.4	↑0.2
4/20 22:10	56.0	↑0.6
4/20 22:20	56.8	↑0.8
4/20 22:30	58.0	↑1.2
4/20 22:40	59.3	↑1.3
4/20 22:50	61.0	↑1.7
4/20 23:00	62.9	↑1.9
4/20 23:10	65.0	↑2.1
4/20 23:20	67.3	↑2.3
4/20 23:30	69.9	↑2.6
4/20 23:40	72.6	↑2.7
4/20 23:50	75.4	↑2.8