20 (火)	03:51	10:08	16:30	22:23
	127cm	25cm	132cm	46cm
大潮 出 05:05 入 18:17 出 17:46 入 04:12 潮干狩り ○ 08:52～11:22

白浜（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	65.1	↑3.3
4/20 00:10	68.5	↑3.4
4/20 00:20	72.0	↑3.5
4/20 00:30	75.6	↑3.6
4/20 00:40	79.3	↑3.7
4/20 00:50	83.0	↑3.7
4/20 01:00	86.8	↑3.8
4/20 01:10	90.5	↑3.7
4/20 01:20	94.1	↑3.6
4/20 01:30	97.7	↑3.6
4/20 01:40	101.1	↑3.4
4/20 01:50	104.5	↑3.4
4/20 02:00	107.6	↑3.1
4/20 02:10	110.6	↑3.0
4/20 02:20	113.4	↑2.8
4/20 02:30	115.9	↑2.5
4/20 02:40	118.2	↑2.3
4/20 02:50	120.3	↑2.1
4/20 03:00	122.0	↑1.7
4/20 03:10	123.5	↑1.5
4/20 03:20	124.6	↑1.1
4/20 03:30	125.4	↑0.8
4/20 03:40	125.9	↑0.5
4/20 03:50	126.1	↑0.2	満潮
4/20 04:00	125.9	↓-0.2
4/20 04:10	125.3	↓-0.6
4/20 04:20	124.5	↓-0.8
4/20 04:30	123.3	↓-1.2
4/20 04:40	121.8	↓-1.5
4/20 04:50	119.9	↓-1.9
4/20 05:00	117.8	↓-2.1
4/20 05:10	115.3	↓-2.5
4/20 05:20	112.6	↓-2.7
4/20 05:30	109.7	↓-2.9
4/20 05:40	106.4	↓-3.3
4/20 05:50	103.0	↓-3.4
4/20 06:00	99.4	↓-3.6
4/20 06:10	95.6	↓-3.8
4/20 06:20	91.7	↓-3.9
4/20 06:30	87.6	↓-4.1
4/20 06:40	83.5	↓-4.1
4/20 06:50	79.3	↓-4.2
4/20 07:00	75.0	↓-4.3
4/20 07:10	70.8	↓-4.2
4/20 07:20	66.6	↓-4.2
4/20 07:30	62.4	↓-4.2
4/20 07:40	58.4	↓-4.0
4/20 07:50	54.4	↓-4.0
4/20 08:00	50.6	↓-3.8
4/20 08:10	47.0	↓-3.6
4/20 08:20	43.5	↓-3.5
4/20 08:30	40.3	↓-3.2
4/20 08:40	37.4	↓-2.9
4/20 08:50	34.6	↓-2.8
4/20 09:00	32.2	↓-2.4
4/20 09:10	30.1	↓-2.1
4/20 09:20	28.3	↓-1.8
4/20 09:30	26.8	↓-1.5
4/20 09:40	25.7	↓-1.1
4/20 09:50	25.0	↓-0.7
4/20 10:00	24.5	↓-0.5	干潮
4/20 10:10	24.5	0
4/20 10:20	24.8	↑0.3
4/20 10:30	25.4	↑0.6
4/20 10:40	26.5	↑1.1
4/20 10:50	27.8	↑1.3
4/20 11:00	29.6	↑1.8
4/20 11:10	31.6	↑2.0
4/20 11:20	34.0	↑2.4
4/20 11:30	36.6	↑2.6
4/20 11:40	39.5	↑2.9
4/20 11:50	42.7	↑3.2
4/20 12:00	46.2	↑3.5
4/20 12:10	49.8	↑3.6
4/20 12:20	53.7	↑3.9
4/20 12:30	57.7	↑4.0
4/20 12:40	61.8	↑4.1
4/20 12:50	66.1	↑4.3
4/20 13:00	70.4	↑4.3
4/20 13:10	74.8	↑4.4	最大潮位差
4/20 13:20	79.2	↑4.4	最大潮位差
4/20 13:30	83.6	↑4.4	最大潮位差
4/20 13:40	87.9	↑4.3
4/20 13:50	92.2	↑4.3
4/20 14:00	96.4	↑4.2
4/20 14:10	100.5	↑4.1
4/20 14:20	104.3	↑3.8
4/20 14:30	108.1	↑3.8
4/20 14:40	111.6	↑3.5
4/20 14:50	114.8	↑3.2
4/20 15:00	117.9	↑3.1
4/20 15:10	120.6	↑2.7
4/20 15:20	123.1	↑2.5
4/20 15:30	125.2	↑2.1
4/20 15:40	127.1	↑1.9
4/20 15:50	128.6	↑1.5
4/20 16:00	129.8	↑1.2
4/20 16:10	130.6	↑0.8
4/20 16:20	131.1	↑0.5	満潮
4/20 16:30	131.2	↑0.1	満潮
4/20 16:40	131.0	↓-0.2
4/20 16:50	130.4	↓-0.6
4/20 17:00	129.5	↓-0.9
4/20 17:10	128.3	↓-1.2
4/20 17:20	126.7	↓-1.6
4/20 17:30	124.9	↓-1.8
4/20 17:40	122.7	↓-2.2
4/20 17:50	120.3	↓-2.4
4/20 18:00	117.7	↓-2.6
4/20 18:10	114.8	↓-2.9
4/20 18:20	111.7	↓-3.1
4/20 18:30	108.4	↓-3.3
4/20 18:40	105.0	↓-3.4
4/20 18:50	101.4	↓-3.6
4/20 19:00	97.8	↓-3.6
4/20 19:10	94.0	↓-3.8
4/20 19:20	90.3	↓-3.7
4/20 19:30	86.5	↓-3.8
4/20 19:40	82.7	↓-3.8
4/20 19:50	79.0	↓-3.7
4/20 20:00	75.4	↓-3.6
4/20 20:10	71.8	↓-3.6
4/20 20:20	68.4	↓-3.4
4/20 20:30	65.2	↓-3.2
4/20 20:40	62.1	↓-3.1
4/20 20:50	59.3	↓-2.8
4/20 21:00	56.6	↓-2.7
4/20 21:10	54.3	↓-2.3
4/20 21:20	52.2	↓-2.1
4/20 21:30	50.3	↓-1.9
4/20 21:40	48.8	↓-1.5
4/20 21:50	47.6	↓-1.2
4/20 22:00	46.7	↓-0.9
4/20 22:10	46.1	↓-0.6
4/20 22:20	45.9	↓-0.2	干潮
4/20 22:30	46.0	↑0.1
4/20 22:40	46.4	↑0.4
4/20 22:50	47.1	↑0.7
4/20 23:00	48.2	↑1.1
4/20 23:10	49.6	↑1.4
4/20 23:20	51.3	↑1.7
4/20 23:30	53.3	↑2.0
4/20 23:40	55.6	↑2.3
4/20 23:50	58.1	↑2.5