20 (金)	07:41	01:45	22:35	14:59
	174cm	110cm	145cm	27cm
小潮 出 05:01 入 18:17 出 09:15 入 23:58 潮干狩り ○ 13:15～16:55

姉崎（千葉）2029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	123.6	↓-2.4
4/20 00:10	121.4	↓-2.2
4/20 00:20	119.2	↓-2.2
4/20 00:30	117.3	↓-1.9
4/20 00:40	115.5	↓-1.8
4/20 00:50	114.0	↓-1.5
4/20 01:00	112.6	↓-1.4
4/20 01:10	111.6	↓-1.0
4/20 01:20	110.8	↓-0.8
4/20 01:30	110.2	↓-0.6
4/20 01:40	110.0	↓-0.2	干潮
4/20 01:50	110.0	0
4/20 02:00	110.3	↑0.3
4/20 02:10	110.9	↑0.6
4/20 02:20	111.8	↑0.9
4/20 02:30	112.9	↑1.1
4/20 02:40	114.2	↑1.3
4/20 02:50	115.8	↑1.6
4/20 03:00	117.6	↑1.8
4/20 03:10	119.6	↑2.0
4/20 03:20	121.7	↑2.1
4/20 03:30	124.0	↑2.3
4/20 03:40	126.4	↑2.4
4/20 03:50	128.9	↑2.5
4/20 04:00	131.5	↑2.6
4/20 04:10	134.2	↑2.7
4/20 04:20	136.9	↑2.7
4/20 04:30	139.6	↑2.7
4/20 04:40	142.3	↑2.7
4/20 04:50	145.0	↑2.7
4/20 05:00	147.7	↑2.7
4/20 05:10	150.3	↑2.6
4/20 05:20	152.8	↑2.5
4/20 05:30	155.3	↑2.5
4/20 05:40	157.6	↑2.3
4/20 05:50	159.8	↑2.2
4/20 06:00	162.0	↑2.2
4/20 06:10	163.9	↑1.9
4/20 06:20	165.7	↑1.8
4/20 06:30	167.4	↑1.7
4/20 06:40	168.8	↑1.4
4/20 06:50	170.1	↑1.3
4/20 07:00	171.2	↑1.1
4/20 07:10	172.0	↑0.8
4/20 07:20	172.6	↑0.6
4/20 07:30	173.0	↑0.4
4/20 07:40	173.1	↑0.1	満潮
4/20 07:50	173.0	↓-0.1
4/20 08:00	172.6	↓-0.4
4/20 08:10	171.9	↓-0.7
4/20 08:20	170.9	↓-1.0
4/20 08:30	169.6	↓-1.3
4/20 08:40	168.0	↓-1.6
4/20 08:50	166.0	↓-2.0
4/20 09:00	163.8	↓-2.2
4/20 09:10	161.2	↓-2.6
4/20 09:20	158.3	↓-2.9
4/20 09:30	155.1	↓-3.2
4/20 09:40	151.6	↓-3.5
4/20 09:50	147.8	↓-3.8
4/20 10:00	143.7	↓-4.1
4/20 10:10	139.3	↓-4.4
4/20 10:20	134.7	↓-4.6
4/20 10:30	129.8	↓-4.9
4/20 10:40	124.8	↓-5.0
4/20 10:50	119.6	↓-5.2
4/20 11:00	114.3	↓-5.3
4/20 11:10	108.8	↓-5.5
4/20 11:20	103.3	↓-5.5
4/20 11:30	97.8	↓-5.5
4/20 11:40	92.2	↓-5.6	最大潮位差
4/20 11:50	86.7	↓-5.5
4/20 12:00	81.2	↓-5.5
4/20 12:10	75.9	↓-5.3
4/20 12:20	70.7	↓-5.2
4/20 12:30	65.7	↓-5.0
4/20 12:40	60.9	↓-4.8
4/20 12:50	56.3	↓-4.6
4/20 13:00	52.0	↓-4.3
4/20 13:10	48.0	↓-4.0
4/20 13:20	44.3	↓-3.7
4/20 13:30	41.0	↓-3.3
4/20 13:40	37.9	↓-3.1
4/20 13:50	35.3	↓-2.6
4/20 14:00	33.0	↓-2.3
4/20 14:10	31.1	↓-1.9
4/20 14:20	29.5	↓-1.6
4/20 14:30	28.4	↓-1.1
4/20 14:40	27.5	↓-0.9
4/20 14:50	27.1	↓-0.4	干潮
4/20 15:00	27.0	↓-0.1
4/20 15:10	27.2	↑0.2
4/20 15:20	27.8	↑0.6
4/20 15:30	28.7	↑0.9
4/20 15:40	29.8	↑1.1
4/20 15:50	31.3	↑1.5
4/20 16:00	33.0	↑1.7
4/20 16:10	35.0	↑2.0
4/20 16:20	37.2	↑2.2
4/20 16:30	39.6	↑2.4
4/20 16:40	42.2	↑2.6
4/20 16:50	45.0	↑2.8
4/20 17:00	48.0	↑3.0
4/20 17:10	51.1	↑3.1
4/20 17:20	54.4	↑3.3
4/20 17:30	57.8	↑3.4
4/20 17:40	61.3	↑3.5
4/20 17:50	64.9	↑3.6
4/20 18:00	68.6	↑3.7
4/20 18:10	72.3	↑3.7
4/20 18:20	76.2	↑3.9
4/20 18:30	80.0	↑3.8
4/20 18:40	84.0	↑4.0
4/20 18:50	87.9	↑3.9
4/20 19:00	91.8	↑3.9
4/20 19:10	95.7	↑3.9
4/20 19:20	99.6	↑3.9
4/20 19:30	103.4	↑3.8
4/20 19:40	107.2	↑3.8
4/20 19:50	110.9	↑3.7
4/20 20:00	114.4	↑3.5
4/20 20:10	117.9	↑3.5
4/20 20:20	121.2	↑3.3
4/20 20:30	124.3	↑3.1
4/20 20:40	127.3	↑3.0
4/20 20:50	130.1	↑2.8
4/20 21:00	132.6	↑2.5
4/20 21:10	134.9	↑2.3
4/20 21:20	137.0	↑2.1
4/20 21:30	138.8	↑1.8
4/20 21:40	140.4	↑1.6
4/20 21:50	141.6	↑1.2
4/20 22:00	142.7	↑1.1
4/20 22:10	143.4	↑0.7
4/20 22:20	143.9	↑0.5
4/20 22:30	144.1	↑0.2	満潮
4/20 22:40	144.1	0
4/20 22:50	143.8	↓-0.3
4/20 23:00	143.3	↓-0.5
4/20 23:10	142.6	↓-0.7
4/20 23:20	141.7	↓-0.9
4/20 23:30	140.6	↓-1.1
4/20 23:40	139.4	↓-1.2
4/20 23:50	138.1	↓-1.3