6 (火)	08:36	02:14	19:54	13:44
	115cm	54cm	143cm	84cm
小潮 出 04:48 入 18:40 出 11:43 入 22:16

日立（茨城）2030年08月6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
8/6 00:00	73.4	↓-2.8
8/6 00:10	70.6	↓-2.8
8/6 00:20	68.1	↓-2.5
8/6 00:30	65.7	↓-2.4
8/6 00:40	63.5	↓-2.2
8/6 00:50	61.5	↓-2.0
8/6 01:00	59.7	↓-1.8
8/6 01:10	58.2	↓-1.5
8/6 01:20	56.8	↓-1.4
8/6 01:30	55.7	↓-1.1
8/6 01:40	54.8	↓-0.9
8/6 01:50	54.2	↓-0.6
8/6 02:00	53.7	↓-0.5
8/6 02:10	53.6	↓-0.1	干潮
8/6 02:20	53.6	0
8/6 02:30	53.9	↑0.3
8/6 02:40	54.4	↑0.5
8/6 02:50	55.1	↑0.7
8/6 03:00	56.1	↑1.0
8/6 03:10	57.3	↑1.2
8/6 03:20	58.6	↑1.3
8/6 03:30	60.2	↑1.6
8/6 03:40	61.9	↑1.7
8/6 03:50	63.8	↑1.9
8/6 04:00	65.8	↑2.0
8/6 04:10	68.0	↑2.2
8/6 04:20	70.2	↑2.2
8/6 04:30	72.6	↑2.4
8/6 04:40	75.0	↑2.4
8/6 04:50	77.5	↑2.5
8/6 05:00	80.0	↑2.5
8/6 05:10	82.5	↑2.5
8/6 05:20	85.0	↑2.5
8/6 05:30	87.5	↑2.5
8/6 05:40	90.0	↑2.5
8/6 05:50	92.4	↑2.4
8/6 06:00	94.7	↑2.3
8/6 06:10	96.9	↑2.2
8/6 06:20	99.1	↑2.2
8/6 06:30	101.1	↑2.0
8/6 06:40	103.0	↑1.9
8/6 06:50	104.8	↑1.8
8/6 07:00	106.5	↑1.7
8/6 07:10	108.0	↑1.5
8/6 07:20	109.3	↑1.3
8/6 07:30	110.5	↑1.2
8/6 07:40	111.6	↑1.1
8/6 07:50	112.4	↑0.8
8/6 08:00	113.1	↑0.7
8/6 08:10	113.7	↑0.6
8/6 08:20	114.0	↑0.3
8/6 08:30	114.2	↑0.2	満潮
8/6 08:40	114.2	0
8/6 08:50	114.0	↓-0.2
8/6 09:00	113.7	↓-0.3
8/6 09:10	113.2	↓-0.5
8/6 09:20	112.6	↓-0.6
8/6 09:30	111.8	↓-0.8
8/6 09:40	110.9	↓-0.9
8/6 09:50	109.8	↓-1.1
8/6 10:00	108.7	↓-1.1
8/6 10:10	107.4	↓-1.3
8/6 10:20	106.1	↓-1.3
8/6 10:30	104.7	↓-1.4
8/6 10:40	103.2	↓-1.5
8/6 10:50	101.7	↓-1.5
8/6 11:00	100.1	↓-1.6
8/6 11:10	98.6	↓-1.5
8/6 11:20	97.0	↓-1.6
8/6 11:30	95.5	↓-1.5
8/6 11:40	94.1	↓-1.4
8/6 11:50	92.6	↓-1.5
8/6 12:00	91.3	↓-1.3
8/6 12:10	90.0	↓-1.3
8/6 12:20	88.8	↓-1.2
8/6 12:30	87.7	↓-1.1
8/6 12:40	86.7	↓-1.0
8/6 12:50	85.9	↓-0.8
8/6 13:00	85.1	↓-0.8
8/6 13:10	84.5	↓-0.6
8/6 13:20	84.1	↓-0.4
8/6 13:30	83.8	↓-0.3
8/6 13:40	83.7	↓-0.1	干潮
8/6 13:50	83.7	0
8/6 14:00	83.9	↑0.2
8/6 14:10	84.3	↑0.4
8/6 14:20	84.9	↑0.6
8/6 14:30	85.6	↑0.7
8/6 14:40	86.6	↑1.0
8/6 14:50	87.7	↑1.1
8/6 15:00	89.0	↑1.3
8/6 15:10	90.4	↑1.4
8/6 15:20	92.1	↑1.7
8/6 15:30	93.9	↑1.8
8/6 15:40	95.8	↑1.9
8/6 15:50	97.9	↑2.1
8/6 16:00	100.1	↑2.2
8/6 16:10	102.4	↑2.3
8/6 16:20	104.8	↑2.4
8/6 16:30	107.2	↑2.4
8/6 16:40	109.8	↑2.6
8/6 16:50	112.3	↑2.5
8/6 17:00	114.9	↑2.6
8/6 17:10	117.4	↑2.5
8/6 17:20	120.0	↑2.6
8/6 17:30	122.4	↑2.4
8/6 17:40	124.9	↑2.5
8/6 17:50	127.2	↑2.3
8/6 18:00	129.4	↑2.2
8/6 18:10	131.5	↑2.1
8/6 18:20	133.5	↑2.0
8/6 18:30	135.3	↑1.8
8/6 18:40	136.9	↑1.6
8/6 18:50	138.4	↑1.5
8/6 19:00	139.6	↑1.2
8/6 19:10	140.7	↑1.1
8/6 19:20	141.6	↑0.9
8/6 19:30	142.2	↑0.6
8/6 19:40	142.6	↑0.4
8/6 19:50	142.8	↑0.2	満潮
8/6 20:00	142.8	0
8/6 20:10	142.5	↓-0.3
8/6 20:20	142.0	↓-0.5
8/6 20:30	141.2	↓-0.8
8/6 20:40	140.2	↓-1.0
8/6 20:50	139.0	↓-1.2
8/6 21:00	137.6	↓-1.4
8/6 21:10	135.9	↓-1.7
8/6 21:20	134.0	↓-1.9
8/6 21:30	132.0	↓-2.0
8/6 21:40	129.7	↓-2.3
8/6 21:50	127.3	↓-2.4
8/6 22:00	124.7	↓-2.6
8/6 22:10	121.9	↓-2.8
8/6 22:20	119.0	↓-2.9
8/6 22:30	116.1	↓-2.9
8/6 22:40	113.0	↓-3.1
8/6 22:50	109.8	↓-3.2
8/6 23:00	106.6	↓-3.2
8/6 23:10	103.3	↓-3.3	最大潮位差
8/6 23:20	100.1	↓-3.2
8/6 23:30	96.8	↓-3.3	最大潮位差
8/6 23:40	93.5	↓-3.3	最大潮位差
8/6 23:50	90.3	↓-3.2