9 (日)	03:26	09:52	16:20	22:04
	122cm	11cm	124cm	43cm
大潮 出 05:13 入 18:08 出 18:08 入 04:33 潮干狩り ◎ 07:55～11:45

日立（茨城）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	67.7	↑3.8
4/9 00:10	71.5	↑3.8
4/9 00:20	75.4	↑3.9
4/9 00:30	79.3	↑3.9
4/9 00:40	83.2	↑3.9
4/9 00:50	87.0	↑3.8
4/9 01:00	90.7	↑3.7
4/9 01:10	94.4	↑3.7
4/9 01:20	97.8	↑3.4
4/9 01:30	101.1	↑3.3
4/9 01:40	104.3	↑3.2
4/9 01:50	107.2	↑2.9
4/9 02:00	109.8	↑2.6
4/9 02:10	112.3	↑2.5
4/9 02:20	114.4	↑2.1
4/9 02:30	116.3	↑1.9
4/9 02:40	117.9	↑1.6
4/9 02:50	119.2	↑1.3
4/9 03:00	120.2	↑1.0
4/9 03:10	120.8	↑0.6
4/9 03:20	121.2	↑0.4	満潮
4/9 03:30	121.2	0
4/9 03:40	120.8	↓-0.4
4/9 03:50	120.2	↓-0.6
4/9 04:00	119.1	↓-1.1
4/9 04:10	117.8	↓-1.3
4/9 04:20	116.1	↓-1.7
4/9 04:30	114.0	↓-2.1
4/9 04:40	111.7	↓-2.3
4/9 04:50	109.0	↓-2.7
4/9 05:00	106.0	↓-3.0
4/9 05:10	102.8	↓-3.2
4/9 05:20	99.2	↓-3.6
4/9 05:30	95.5	↓-3.7
4/9 05:40	91.5	↓-4.0
4/9 05:50	87.3	↓-4.2
4/9 06:00	83.0	↓-4.3
4/9 06:10	78.5	↓-4.5
4/9 06:20	74.0	↓-4.5
4/9 06:30	69.4	↓-4.6
4/9 06:40	64.8	↓-4.6
4/9 06:50	60.2	↓-4.6
4/9 07:00	55.7	↓-4.5
4/9 07:10	51.2	↓-4.5
4/9 07:20	46.9	↓-4.3
4/9 07:30	42.7	↓-4.2
4/9 07:40	38.7	↓-4.0
4/9 07:50	34.8	↓-3.9
4/9 08:00	31.2	↓-3.6
4/9 08:10	27.8	↓-3.4
4/9 08:20	24.7	↓-3.1
4/9 08:30	21.8	↓-2.9
4/9 08:40	19.2	↓-2.6
4/9 08:50	16.9	↓-2.3
4/9 09:00	15.0	↓-1.9
4/9 09:10	13.4	↓-1.6
4/9 09:20	12.1	↓-1.3
4/9 09:30	11.1	↓-1.0
4/9 09:40	10.5	↓-0.6
4/9 09:50	10.3	↓-0.2	干潮
4/9 10:00	10.4	↑0.1
4/9 10:10	11.0	↑0.6
4/9 10:20	11.8	↑0.8
4/9 10:30	13.1	↑1.3
4/9 10:40	14.7	↑1.6
4/9 10:50	16.7	↑2.0
4/9 11:00	19.0	↑2.3
4/9 11:10	21.7	↑2.7
4/9 11:20	24.6	↑2.9
4/9 11:30	27.9	↑3.3
4/9 11:40	31.5	↑3.6
4/9 11:50	35.3	↑3.8
4/9 12:00	39.3	↑4.0
4/9 12:10	43.5	↑4.2
4/9 12:20	47.9	↑4.4
4/9 12:30	52.4	↑4.5
4/9 12:40	57.0	↑4.6
4/9 12:50	61.7	↑4.7	最大潮位差
4/9 13:00	66.3	↑4.6
4/9 13:10	71.0	↑4.7	最大潮位差
4/9 13:20	75.6	↑4.6
4/9 13:30	80.2	↑4.6
4/9 13:40	84.6	↑4.4
4/9 13:50	88.9	↑4.3
4/9 14:00	93.0	↑4.1
4/9 14:10	97.0	↑4.0
4/9 14:20	100.8	↑3.8
4/9 14:30	104.3	↑3.5
4/9 14:40	107.6	↑3.3
4/9 14:50	110.6	↑3.0
4/9 15:00	113.4	↑2.8
4/9 15:10	115.8	↑2.4
4/9 15:20	118.0	↑2.2
4/9 15:30	119.8	↑1.8
4/9 15:40	121.3	↑1.5
4/9 15:50	122.5	↑1.2
4/9 16:00	123.4	↑0.9
4/9 16:10	123.9	↑0.5	満潮
4/9 16:20	124.0	↑0.1	満潮
4/9 16:30	123.8	↓-0.2
4/9 16:40	123.2	↓-0.6
4/9 16:50	122.3	↓-0.9
4/9 17:00	121.0	↓-1.3
4/9 17:10	119.4	↓-1.6
4/9 17:20	117.5	↓-1.9
4/9 17:30	115.3	↓-2.2
4/9 17:40	112.8	↓-2.5
4/9 17:50	110.0	↓-2.8
4/9 18:00	107.0	↓-3.0
4/9 18:10	103.8	↓-3.2
4/9 18:20	100.4	↓-3.4
4/9 18:30	96.9	↓-3.5
4/9 18:40	93.3	↓-3.6
4/9 18:50	89.5	↓-3.8
4/9 19:00	85.8	↓-3.7
4/9 19:10	82.0	↓-3.8
4/9 19:20	78.3	↓-3.7
4/9 19:30	74.6	↓-3.7
4/9 19:40	71.0	↓-3.6
4/9 19:50	67.5	↓-3.5
4/9 20:00	64.2	↓-3.3
4/9 20:10	61.1	↓-3.1
4/9 20:20	58.1	↓-3.0
4/9 20:30	55.3	↓-2.8
4/9 20:40	52.8	↓-2.5
4/9 20:50	50.5	↓-2.3
4/9 21:00	48.5	↓-2.0
4/9 21:10	46.7	↓-1.8
4/9 21:20	45.2	↓-1.5
4/9 21:30	44.1	↓-1.1
4/9 21:40	43.2	↓-0.9
4/9 21:50	42.6	↓-0.6
4/9 22:00	42.4	↓-0.2	干潮
4/9 22:10	42.5	↑0.1
4/9 22:20	42.9	↑0.4
4/9 22:30	43.6	↑0.7
4/9 22:40	44.6	↑1.0
4/9 22:50	46.0	↑1.4
4/9 23:00	47.7	↑1.7
4/9 23:10	49.7	↑2.0
4/9 23:20	51.9	↑2.2
4/9 23:30	54.5	↑2.6
4/9 23:40	57.3	↑2.8
4/9 23:50	60.3	↑3.0