12 (土)	04:20	10:33	16:47	22:46
	166cm	29cm	169cm	44cm
大潮 出 05:14 入 18:13 出 17:37 入 04:39 潮干狩り ○ 09:15～11:49

第一海堡（千葉）2025年04月12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
4/12 00:00	62.8	↑4.1
4/12 00:10	67.3	↑4.5
4/12 00:20	72.0	↑4.7
4/12 00:30	76.9	↑4.9
4/12 00:40	82.0	↑5.1
4/12 00:50	87.2	↑5.2
4/12 01:00	92.6	↑5.4
4/12 01:10	98.0	↑5.4
4/12 01:20	103.4	↑5.4
4/12 01:30	108.9	↑5.5
4/12 01:40	114.3	↑5.4
4/12 01:50	119.6	↑5.3
4/12 02:00	124.8	↑5.2
4/12 02:10	129.8	↑5.0
4/12 02:20	134.6	↑4.8
4/12 02:30	139.2	↑4.6
4/12 02:40	143.5	↑4.3
4/12 02:50	147.4	↑3.9
4/12 03:00	151.1	↑3.7
4/12 03:10	154.4	↑3.3
4/12 03:20	157.3	↑2.9
4/12 03:30	159.8	↑2.5
4/12 03:40	161.9	↑2.1
4/12 03:50	163.5	↑1.6
4/12 04:00	164.6	↑1.1
4/12 04:10	165.3	↑0.7	満潮
4/12 04:20	165.5	↑0.2	満潮
4/12 04:30	165.3	↓-0.2
4/12 04:40	164.5	↓-0.8
4/12 04:50	163.3	↓-1.2
4/12 05:00	161.6	↓-1.7
4/12 05:10	159.5	↓-2.1
4/12 05:20	156.9	↓-2.6
4/12 05:30	153.9	↓-3.0
4/12 05:40	150.5	↓-3.4
4/12 05:50	146.7	↓-3.8
4/12 06:00	142.5	↓-4.2
4/12 06:10	138.1	↓-4.4
4/12 06:20	133.3	↓-4.8
4/12 06:30	128.3	↓-5.0
4/12 06:40	123.0	↓-5.3
4/12 06:50	117.6	↓-5.4
4/12 07:00	112.0	↓-5.6
4/12 07:10	106.3	↓-5.7
4/12 07:20	100.5	↓-5.8
4/12 07:30	94.7	↓-5.8
4/12 07:40	88.9	↓-5.8
4/12 07:50	83.2	↓-5.7
4/12 08:00	77.6	↓-5.6
4/12 08:10	72.1	↓-5.5
4/12 08:20	66.8	↓-5.3
4/12 08:30	61.7	↓-5.1
4/12 08:40	56.8	↓-4.9
4/12 08:50	52.2	↓-4.6
4/12 09:00	48.0	↓-4.2
4/12 09:10	44.1	↓-3.9
4/12 09:20	40.6	↓-3.5
4/12 09:30	37.4	↓-3.2
4/12 09:40	34.8	↓-2.6
4/12 09:50	32.5	↓-2.3
4/12 10:00	30.7	↓-1.8
4/12 10:10	29.4	↓-1.3
4/12 10:20	28.6	↓-0.8
4/12 10:30	28.3	↓-0.3	干潮
4/12 10:40	28.4	↑0.1
4/12 10:50	29.1	↑0.7
4/12 11:00	30.2	↑1.1
4/12 11:10	31.9	↑1.7
4/12 11:20	34.0	↑2.1
4/12 11:30	36.5	↑2.5
4/12 11:40	39.5	↑3.0
4/12 11:50	42.9	↑3.4
4/12 12:00	46.7	↑3.8
4/12 12:10	50.9	↑4.2
4/12 12:20	55.4	↑4.5
4/12 12:30	60.2	↑4.8
4/12 12:40	65.3	↑5.1
4/12 12:50	70.6	↑5.3
4/12 13:00	76.1	↑5.5
4/12 13:10	81.8	↑5.7
4/12 13:20	87.6	↑5.8
4/12 13:30	93.4	↑5.8
4/12 13:40	99.3	↑5.9	最大潮位差
4/12 13:50	105.2	↑5.9	最大潮位差
4/12 14:00	111.1	↑5.9	最大潮位差
4/12 14:10	116.8	↑5.7
4/12 14:20	122.4	↑5.6
4/12 14:30	127.9	↑5.5
4/12 14:40	133.1	↑5.2
4/12 14:50	138.1	↑5.0
4/12 15:00	142.8	↑4.7
4/12 15:10	147.2	↑4.4
4/12 15:20	151.2	↑4.0
4/12 15:30	154.9	↑3.7
4/12 15:40	158.2	↑3.3
4/12 15:50	161.1	↑2.9
4/12 16:00	163.5	↑2.4
4/12 16:10	165.4	↑1.9
4/12 16:20	166.9	↑1.5
4/12 16:30	167.9	↑1.0
4/12 16:40	168.5	↑0.6	満潮
4/12 16:50	168.5	0
4/12 17:00	168.0	↓-0.5
4/12 17:10	167.1	↓-0.9
4/12 17:20	165.7	↓-1.4
4/12 17:30	163.9	↓-1.8
4/12 17:40	161.6	↓-2.3
4/12 17:50	158.8	↓-2.8
4/12 18:00	155.7	↓-3.1
4/12 18:10	152.2	↓-3.5
4/12 18:20	148.3	↓-3.9
4/12 18:30	144.1	↓-4.2
4/12 18:40	139.6	↓-4.5
4/12 18:50	134.9	↓-4.7
4/12 19:00	129.9	↓-5.0
4/12 19:10	124.8	↓-5.1
4/12 19:20	119.5	↓-5.3
4/12 19:30	114.1	↓-5.4
4/12 19:40	108.7	↓-5.4
4/12 19:50	103.2	↓-5.5
4/12 20:00	97.8	↓-5.4
4/12 20:10	92.4	↓-5.4
4/12 20:20	87.1	↓-5.3
4/12 20:30	82.0	↓-5.1
4/12 20:40	77.1	↓-4.9
4/12 20:50	72.3	↓-4.8
4/12 21:00	67.9	↓-4.4
4/12 21:10	63.7	↓-4.2
4/12 21:20	59.8	↓-3.9
4/12 21:30	56.3	↓-3.5
4/12 21:40	53.2	↓-3.1
4/12 21:50	50.5	↓-2.7
4/12 22:00	48.2	↓-2.3
4/12 22:10	46.3	↓-1.9
4/12 22:20	44.9	↓-1.4
4/12 22:30	44.0	↓-0.9
4/12 22:40	43.5	↓-0.5	干潮
4/12 22:50	43.5	0
4/12 23:00	44.0	↑0.5
4/12 23:10	44.9	↑0.9
4/12 23:20	46.4	↑1.5
4/12 23:30	48.3	↑1.9
4/12 23:40	50.6	↑2.3
4/12 23:50	53.3	↑2.7