9 (日)	04:17	10:34	16:56	22:49
	145cm	27cm	148cm	52cm
大潮 出 05:18 入 18:10 出 18:10 入 04:38 潮干狩り ○ 09:16～11:52

岩井袋（千葉）2028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	64.0	↑3.2
4/9 00:10	67.4	↑3.4
4/9 00:20	71.1	↑3.7
4/9 00:30	75.0	↑3.9
4/9 00:40	79.0	↑4.0
4/9 00:50	83.1	↑4.1
4/9 01:00	87.3	↑4.2
4/9 01:10	91.6	↑4.3
4/9 01:20	95.9	↑4.3
4/9 01:30	100.2	↑4.3
4/9 01:40	104.4	↑4.2
4/9 01:50	108.6	↑4.2
4/9 02:00	112.7	↑4.1
4/9 02:10	116.7	↑4.0
4/9 02:20	120.4	↑3.7
4/9 02:30	124.0	↑3.6
4/9 02:40	127.4	↑3.4
4/9 02:50	130.5	↑3.1
4/9 03:00	133.4	↑2.9
4/9 03:10	135.9	↑2.5
4/9 03:20	138.2	↑2.3
4/9 03:30	140.1	↑1.9
4/9 03:40	141.6	↑1.5
4/9 03:50	142.8	↑1.2
4/9 04:00	143.6	↑0.8
4/9 04:10	144.0	↑0.4	満潮
4/9 04:20	144.0	0
4/9 04:30	143.7	↓-0.3
4/9 04:40	142.9	↓-0.8
4/9 04:50	141.8	↓-1.1
4/9 05:00	140.2	↓-1.6
4/9 05:10	138.3	↓-1.9
4/9 05:20	136.1	↓-2.2
4/9 05:30	133.5	↓-2.6
4/9 05:40	130.5	↓-3.0
4/9 05:50	127.3	↓-3.2
4/9 06:00	123.7	↓-3.6
4/9 06:10	119.9	↓-3.8
4/9 06:20	115.8	↓-4.1
4/9 06:30	111.5	↓-4.3
4/9 06:40	107.1	↓-4.4
4/9 06:50	102.5	↓-4.6
4/9 07:00	97.7	↓-4.8
4/9 07:10	92.9	↓-4.8
4/9 07:20	88.0	↓-4.9
4/9 07:30	83.1	↓-4.9
4/9 07:40	78.2	↓-4.9
4/9 07:50	73.4	↓-4.8
4/9 08:00	68.6	↓-4.8
4/9 08:10	64.0	↓-4.6
4/9 08:20	59.4	↓-4.6
4/9 08:30	55.1	↓-4.3
4/9 08:40	51.0	↓-4.1
4/9 08:50	47.1	↓-3.9
4/9 09:00	43.5	↓-3.6
4/9 09:10	40.2	↓-3.3
4/9 09:20	37.1	↓-3.1
4/9 09:30	34.5	↓-2.6
4/9 09:40	32.1	↓-2.4
4/9 09:50	30.2	↓-1.9
4/9 10:00	28.6	↓-1.6
4/9 10:10	27.4	↓-1.2
4/9 10:20	26.7	↓-0.7
4/9 10:30	26.3	↓-0.4	干潮
4/9 10:40	26.4	↑0.1
4/9 10:50	26.9	↑0.5
4/9 11:00	27.8	↑0.9
4/9 11:10	29.1	↑1.3
4/9 11:20	30.8	↑1.7
4/9 11:30	32.8	↑2.0
4/9 11:40	35.3	↑2.5
4/9 11:50	38.1	↑2.8
4/9 12:00	41.2	↑3.1
4/9 12:10	44.7	↑3.5
4/9 12:20	48.4	↑3.7
4/9 12:30	52.4	↑4.0
4/9 12:40	56.7	↑4.3
4/9 12:50	61.1	↑4.4
4/9 13:00	65.7	↑4.6
4/9 13:10	70.5	↑4.8
4/9 13:20	75.4	↑4.9
4/9 13:30	80.3	↑4.9
4/9 13:40	85.3	↑5.0	最大潮位差
4/9 13:50	90.3	↑5.0	最大潮位差
4/9 14:00	95.3	↑5.0	最大潮位差
4/9 14:10	100.2	↑4.9
4/9 14:20	105.1	↑4.9
4/9 14:30	109.8	↑4.7
4/9 14:40	114.3	↑4.5
4/9 14:50	118.6	↑4.3
4/9 15:00	122.8	↑4.2
4/9 15:10	126.7	↑3.9
4/9 15:20	130.3	↑3.6
4/9 15:30	133.6	↑3.3
4/9 15:40	136.6	↑3.0
4/9 15:50	139.3	↑2.7
4/9 16:00	141.6	↑2.3
4/9 16:10	143.5	↑1.9
4/9 16:20	145.1	↑1.6
4/9 16:30	146.2	↑1.1
4/9 16:40	147.0	↑0.8
4/9 16:50	147.4	↑0.4	満潮
4/9 17:00	147.4	0
4/9 17:10	147.0	↓-0.4
4/9 17:20	146.2	↓-0.8
4/9 17:30	145.1	↓-1.1
4/9 17:40	143.5	↓-1.6
4/9 17:50	141.7	↓-1.8
4/9 18:00	139.4	↓-2.3
4/9 18:10	136.9	↓-2.5
4/9 18:20	134.1	↓-2.8
4/9 18:30	131.0	↓-3.1
4/9 18:40	127.6	↓-3.4
4/9 18:50	124.0	↓-3.6
4/9 19:00	120.3	↓-3.7
4/9 19:10	116.4	↓-3.9
4/9 19:20	112.3	↓-4.1
4/9 19:30	108.2	↓-4.1
4/9 19:40	104.0	↓-4.2
4/9 19:50	99.7	↓-4.3
4/9 20:00	95.5	↓-4.2
4/9 20:10	91.3	↓-4.2
4/9 20:20	87.1	↓-4.2
4/9 20:30	83.1	↓-4.0
4/9 20:40	79.2	↓-3.9
4/9 20:50	75.4	↓-3.8
4/9 21:00	71.9	↓-3.5
4/9 21:10	68.5	↓-3.4
4/9 21:20	65.4	↓-3.1
4/9 21:30	62.6	↓-2.8
4/9 21:40	60.1	↓-2.5
4/9 21:50	57.8	↓-2.3
4/9 22:00	55.9	↓-1.9
4/9 22:10	54.4	↓-1.5
4/9 22:20	53.2	↓-1.2
4/9 22:30	52.4	↓-0.8
4/9 22:40	51.9	↓-0.5	干潮
4/9 22:50	51.8	↓-0.1
4/9 23:00	52.1	↑0.3
4/9 23:10	52.7	↑0.6
4/9 23:20	53.7	↑1.0
4/9 23:30	55.1	↑1.4
4/9 23:40	56.8	↑1.7
4/9 23:50	58.9	↑2.1