9 (金)	06:52	01:07	20:16	13:36
	163cm	70cm	148cm	17cm
中潮 出 05:18 入 18:10 出 07:59 入 22:15 潮干狩り ◎ 11:45～15:29

第一海堡（千葉）2038年04月9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
4/9 00:00	77.5	↓-2.5
4/9 00:10	75.4	↓-2.1
4/9 00:20	73.5	↓-1.9
4/9 00:30	72.0	↓-1.5
4/9 00:40	70.9	↓-1.1
4/9 00:50	70.1	↓-0.8
4/9 01:00	69.7	↓-0.4	干潮
4/9 01:10	69.7	0
4/9 01:20	70.0	↑0.3
4/9 01:30	70.7	↑0.7
4/9 01:40	71.8	↑1.1
4/9 01:50	73.2	↑1.4
4/9 02:00	75.0	↑1.8
4/9 02:10	77.1	↑2.1
4/9 02:20	79.5	↑2.4
4/9 02:30	82.2	↑2.7
4/9 02:40	85.2	↑3.0
4/9 02:50	88.5	↑3.3
4/9 03:00	91.9	↑3.4
4/9 03:10	95.6	↑3.7
4/9 03:20	99.5	↑3.9
4/9 03:30	103.4	↑3.9
4/9 03:40	107.5	↑4.1
4/9 03:50	111.7	↑4.2
4/9 04:00	115.9	↑4.2
4/9 04:10	120.1	↑4.2
4/9 04:20	124.3	↑4.2
4/9 04:30	128.4	↑4.1
4/9 04:40	132.5	↑4.1
4/9 04:50	136.4	↑3.9
4/9 05:00	140.1	↑3.7
4/9 05:10	143.6	↑3.5
4/9 05:20	147.0	↑3.4
4/9 05:30	150.0	↑3.0
4/9 05:40	152.8	↑2.8
4/9 05:50	155.3	↑2.5
4/9 06:00	157.5	↑2.2
4/9 06:10	159.3	↑1.8
4/9 06:20	160.7	↑1.4
4/9 06:30	161.8	↑1.1
4/9 06:40	162.5	↑0.7
4/9 06:50	162.7	↑0.2	満潮
4/9 07:00	162.6	↓-0.1
4/9 07:10	162.0	↓-0.6
4/9 07:20	161.1	↓-0.9
4/9 07:30	159.7	↓-1.4
4/9 07:40	157.8	↓-1.9
4/9 07:50	155.6	↓-2.2
4/9 08:00	153.0	↓-2.6
4/9 08:10	150.0	↓-3.0
4/9 08:20	146.7	↓-3.3
4/9 08:30	143.0	↓-3.7
4/9 08:40	138.9	↓-4.1
4/9 08:50	134.6	↓-4.3
4/9 09:00	130.0	↓-4.6
4/9 09:10	125.1	↓-4.9
4/9 09:20	120.0	↓-5.1
4/9 09:30	114.8	↓-5.2
4/9 09:40	109.3	↓-5.5
4/9 09:50	103.8	↓-5.5
4/9 10:00	98.1	↓-5.7	最大潮位差
4/9 10:10	92.4	↓-5.7	最大潮位差
4/9 10:20	86.7	↓-5.7	最大潮位差
4/9 10:30	81.0	↓-5.7	最大潮位差
4/9 10:40	75.4	↓-5.6
4/9 10:50	69.8	↓-5.6
4/9 11:00	64.4	↓-5.4
4/9 11:10	59.1	↓-5.3
4/9 11:20	54.0	↓-5.1
4/9 11:30	49.1	↓-4.9
4/9 11:40	44.5	↓-4.6
4/9 11:50	40.1	↓-4.4
4/9 12:00	36.1	↓-4.0
4/9 12:10	32.4	↓-3.7
4/9 12:20	29.0	↓-3.4
4/9 12:30	26.1	↓-2.9
4/9 12:40	23.5	↓-2.6
4/9 12:50	21.3	↓-2.2
4/9 13:00	19.5	↓-1.8
4/9 13:10	18.2	↓-1.3
4/9 13:20	17.3	↓-0.9
4/9 13:30	16.8	↓-0.5	干潮
4/9 13:40	16.8	0
4/9 13:50	17.3	↑0.5
4/9 14:00	18.1	↑0.8
4/9 14:10	19.4	↑1.3
4/9 14:20	21.1	↑1.7
4/9 14:30	23.2	↑2.1
4/9 14:40	25.7	↑2.5
4/9 14:50	28.5	↑2.8
4/9 15:00	31.7	↑3.2
4/9 15:10	35.2	↑3.5
4/9 15:20	39.1	↑3.9
4/9 15:30	43.2	↑4.1
4/9 15:40	47.5	↑4.3
4/9 15:50	52.1	↑4.6
4/9 16:00	56.8	↑4.7
4/9 16:10	61.7	↑4.9
4/9 16:20	66.7	↑5.0
4/9 16:30	71.8	↑5.1
4/9 16:40	77.0	↑5.2
4/9 16:50	82.1	↑5.1
4/9 17:00	87.3	↑5.2
4/9 17:10	92.4	↑5.1
4/9 17:20	97.5	↑5.1
4/9 17:30	102.4	↑4.9
4/9 17:40	107.2	↑4.8
4/9 17:50	111.8	↑4.6
4/9 18:00	116.3	↑4.5
4/9 18:10	120.5	↑4.2
4/9 18:20	124.5	↑4.0
4/9 18:30	128.2	↑3.7
4/9 18:40	131.6	↑3.4
4/9 18:50	134.7	↑3.1
4/9 19:00	137.5	↑2.8
4/9 19:10	140.0	↑2.5
4/9 19:20	142.1	↑2.1
4/9 19:30	143.9	↑1.8
4/9 19:40	145.3	↑1.4
4/9 19:50	146.4	↑1.1
4/9 20:00	147.1	↑0.7
4/9 20:10	147.5	↑0.4	満潮
4/9 20:20	147.5	0
4/9 20:30	147.1	↓-0.4
4/9 20:40	146.5	↓-0.6
4/9 20:50	145.5	↓-1.0
4/9 21:00	144.3	↓-1.2
4/9 21:10	142.7	↓-1.6
4/9 21:20	140.9	↓-1.8
4/9 21:30	138.9	↓-2.0
4/9 21:40	136.6	↓-2.3
4/9 21:50	134.1	↓-2.5
4/9 22:00	131.5	↓-2.6
4/9 22:10	128.7	↓-2.8
4/9 22:20	125.8	↓-2.9
4/9 22:30	122.8	↓-3.0
4/9 22:40	119.8	↓-3.0
4/9 22:50	116.7	↓-3.1
4/9 23:00	113.6	↓-3.1
4/9 23:10	110.5	↓-3.1
4/9 23:20	107.5	↓-3.0
4/9 23:30	104.6	↓-2.9
4/9 23:40	101.7	↓-2.9
4/9 23:50	99.0	↓-2.7