9 (月)	07:38	00:34	17:39	12:03
	124cm	32cm	143cm	102cm
中潮 出 05:40 入 17:11 出 20:30 入 10:48

日立（茨城）2028年10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
10/9 00:00	32.6	↓-1.1
10/9 00:10	31.9	↓-0.7
10/9 00:20	31.4	↓-0.5
10/9 00:30	31.1	↓-0.3	干潮
10/9 00:40	31.2	↑0.1
10/9 00:50	31.6	↑0.4
10/9 01:00	32.2	↑0.6
10/9 01:10	33.1	↑0.9
10/9 01:20	34.2	↑1.1
10/9 01:30	35.7	↑1.5
10/9 01:40	37.4	↑1.7
10/9 01:50	39.3	↑1.9
10/9 02:00	41.4	↑2.1
10/9 02:10	43.8	↑2.4
10/9 02:20	46.4	↑2.6
10/9 02:30	49.2	↑2.8
10/9 02:40	52.1	↑2.9
10/9 02:50	55.2	↑3.1
10/9 03:00	58.4	↑3.2
10/9 03:10	61.8	↑3.4
10/9 03:20	65.2	↑3.4
10/9 03:30	68.7	↑3.5
10/9 03:40	72.3	↑3.6
10/9 03:50	75.8	↑3.5
10/9 04:00	79.4	↑3.6
10/9 04:10	82.9	↑3.5
10/9 04:20	86.4	↑3.5
10/9 04:30	89.8	↑3.4
10/9 04:40	93.1	↑3.3
10/9 04:50	96.2	↑3.1
10/9 05:00	99.3	↑3.1
10/9 05:10	102.2	↑2.9
10/9 05:20	105.0	↑2.8
10/9 05:30	107.5	↑2.5
10/9 05:40	109.9	↑2.4
10/9 05:50	112.2	↑2.3
10/9 06:00	114.2	↑2.0
10/9 06:10	116.0	↑1.8
10/9 06:20	117.6	↑1.6
10/9 06:30	119.1	↑1.5
10/9 06:40	120.3	↑1.2
10/9 06:50	121.3	↑1.0
10/9 07:00	122.1	↑0.8
10/9 07:10	122.7	↑0.6
10/9 07:20	123.2	↑0.5
10/9 07:30	123.4	↑0.2	満潮
10/9 07:40	123.4	0
10/9 07:50	123.3	↓-0.1
10/9 08:00	123.0	↓-0.3
10/9 08:10	122.5	↓-0.5
10/9 08:20	121.9	↓-0.6
10/9 08:30	121.1	↓-0.8
10/9 08:40	120.2	↓-0.9
10/9 08:50	119.2	↓-1.0
10/9 09:00	118.1	↓-1.1
10/9 09:10	116.9	↓-1.2
10/9 09:20	115.7	↓-1.2
10/9 09:30	114.4	↓-1.3
10/9 09:40	113.1	↓-1.3
10/9 09:50	111.8	↓-1.3
10/9 10:00	110.5	↓-1.3
10/9 10:10	109.2	↓-1.3
10/9 10:20	107.9	↓-1.3
10/9 10:30	106.8	↓-1.1
10/9 10:40	105.7	↓-1.1
10/9 10:50	104.7	↓-1.0
10/9 11:00	103.8	↓-0.9
10/9 11:10	103.0	↓-0.8
10/9 11:20	102.3	↓-0.7
10/9 11:30	101.8	↓-0.5
10/9 11:40	101.4	↓-0.4
10/9 11:50	101.2	↓-0.2
10/9 12:00	101.1	↓-0.1	干潮
10/9 12:10	101.1	0
10/9 12:20	101.3	↑0.2
10/9 12:30	101.7	↑0.4
10/9 12:40	102.2	↑0.5
10/9 12:50	102.8	↑0.6
10/9 13:00	103.6	↑0.8
10/9 13:10	104.5	↑0.9
10/9 13:20	105.6	↑1.1
10/9 13:30	106.8	↑1.2
10/9 13:40	108.1	↑1.3
10/9 13:50	109.5	↑1.4
10/9 14:00	111.0	↑1.5
10/9 14:10	112.7	↑1.7
10/9 14:20	114.4	↑1.7
10/9 14:30	116.2	↑1.8
10/9 14:40	118.1	↑1.9
10/9 14:50	120.0	↑1.9
10/9 15:00	121.9	↑1.9
10/9 15:10	123.9	↑2.0
10/9 15:20	125.8	↑1.9
10/9 15:30	127.8	↑2.0
10/9 15:40	129.7	↑1.9
10/9 15:50	131.5	↑1.8
10/9 16:00	133.3	↑1.8
10/9 16:10	135.0	↑1.7
10/9 16:20	136.5	↑1.5
10/9 16:30	137.9	↑1.4
10/9 16:40	139.2	↑1.3
10/9 16:50	140.3	↑1.1
10/9 17:00	141.2	↑0.9
10/9 17:10	141.9	↑0.7
10/9 17:20	142.4	↑0.5
10/9 17:30	142.7	↑0.3	満潮
10/9 17:40	142.8	↑0.1
10/9 17:50	142.6	↓-0.2
10/9 18:00	142.2	↓-0.4
10/9 18:10	141.6	↓-0.6
10/9 18:20	140.8	↓-0.8
10/9 18:30	139.7	↓-1.1
10/9 18:40	138.4	↓-1.3
10/9 18:50	136.8	↓-1.6
10/9 19:00	135.1	↓-1.7
10/9 19:10	133.1	↓-2.0
10/9 19:20	131.0	↓-2.1
10/9 19:30	128.6	↓-2.4
10/9 19:40	126.1	↓-2.5
10/9 19:50	123.3	↓-2.8
10/9 20:00	120.4	↓-2.9
10/9 20:10	117.4	↓-3.0
10/9 20:20	114.2	↓-3.2
10/9 20:30	110.9	↓-3.3
10/9 20:40	107.4	↓-3.5
10/9 20:50	103.9	↓-3.5
10/9 21:00	100.3	↓-3.6
10/9 21:10	96.6	↓-3.7
10/9 21:20	92.9	↓-3.7
10/9 21:30	89.1	↓-3.8	最大潮位差
10/9 21:40	85.3	↓-3.8	最大潮位差
10/9 21:50	81.6	↓-3.7
10/9 22:00	77.9	↓-3.7
10/9 22:10	74.2	↓-3.7
10/9 22:20	70.7	↓-3.5
10/9 22:30	67.2	↓-3.5
10/9 22:40	63.8	↓-3.4
10/9 22:50	60.6	↓-3.2
10/9 23:00	57.5	↓-3.1
10/9 23:10	54.6	↓-2.9
10/9 23:20	51.9	↓-2.7
10/9 23:30	49.3	↓-2.6
10/9 23:40	46.9	↓-2.4
10/9 23:50	44.8	↓-2.1