5 (月)	05:02	11:27	17:44	23:41
	149cm	42cm	143cm	54cm
大潮 出 05:12 入 18:02 出 19:40 入 07:18

日立（茨城）2039年09月5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
9/5 00:00	64.0	↑1.7
9/5 00:10	66.0	↑2.0
9/5 00:20	68.2	↑2.2
9/5 00:30	70.8	↑2.6
9/5 00:40	73.7	↑2.9
9/5 00:50	76.8	↑3.1
9/5 01:00	80.1	↑3.3
9/5 01:10	83.7	↑3.6
9/5 01:20	87.4	↑3.7
9/5 01:30	91.2	↑3.8
9/5 01:40	95.1	↑3.9
9/5 01:50	99.1	↑4.0
9/5 02:00	103.2	↑4.1
9/5 02:10	107.2	↑4.0
9/5 02:20	111.2	↑4.0
9/5 02:30	115.1	↑3.9
9/5 02:40	118.9	↑3.8
9/5 02:50	122.6	↑3.7
9/5 03:00	126.1	↑3.5
9/5 03:10	129.5	↑3.4
9/5 03:20	132.6	↑3.1
9/5 03:30	135.5	↑2.9
9/5 03:40	138.1	↑2.6
9/5 03:50	140.5	↑2.4
9/5 04:00	142.6	↑2.1
9/5 04:10	144.4	↑1.8
9/5 04:20	146.0	↑1.6
9/5 04:30	147.1	↑1.1
9/5 04:40	148.0	↑0.9
9/5 04:50	148.5	↑0.5
9/5 05:00	148.7	↑0.2	満潮
9/5 05:10	148.6	↓-0.1
9/5 05:20	148.1	↓-0.5
9/5 05:30	147.2	↓-0.9
9/5 05:40	146.0	↓-1.2
9/5 05:50	144.5	↓-1.5
9/5 06:00	142.6	↓-1.9
9/5 06:10	140.4	↓-2.2
9/5 06:20	137.9	↓-2.5
9/5 06:30	135.1	↓-2.8
9/5 06:40	132.0	↓-3.1
9/5 06:50	128.6	↓-3.4
9/5 07:00	125.0	↓-3.6
9/5 07:10	121.2	↓-3.8
9/5 07:20	117.1	↓-4.1
9/5 07:30	113.0	↓-4.1
9/5 07:40	108.7	↓-4.3
9/5 07:50	104.3	↓-4.4
9/5 08:00	99.9	↓-4.4
9/5 08:10	95.4	↓-4.5	最大潮位差
9/5 08:20	91.0	↓-4.4
9/5 08:30	86.6	↓-4.4
9/5 08:40	82.3	↓-4.3
9/5 08:50	78.0	↓-4.3
9/5 09:00	73.9	↓-4.1
9/5 09:10	70.0	↓-3.9
9/5 09:20	66.3	↓-3.7
9/5 09:30	62.7	↓-3.6
9/5 09:40	59.4	↓-3.3
9/5 09:50	56.3	↓-3.1
9/5 10:00	53.4	↓-2.9
9/5 10:10	50.9	↓-2.5
9/5 10:20	48.6	↓-2.3
9/5 10:30	46.6	↓-2.0
9/5 10:40	44.9	↓-1.7
9/5 10:50	43.6	↓-1.3
9/5 11:00	42.5	↓-1.1
9/5 11:10	41.8	↓-0.7
9/5 11:20	41.5	↓-0.3	干潮
9/5 11:30	41.4	↓-0.1
9/5 11:40	41.8	↑0.4
9/5 11:50	42.4	↑0.6
9/5 12:00	43.4	↑1.0
9/5 12:10	44.8	↑1.4
9/5 12:20	46.5	↑1.7
9/5 12:30	48.5	↑2.0
9/5 12:40	50.9	↑2.4
9/5 12:50	53.5	↑2.6
9/5 13:00	56.4	↑2.9
9/5 13:10	59.6	↑3.2
9/5 13:20	63.0	↑3.4
9/5 13:30	66.7	↑3.7
9/5 13:40	70.5	↑3.8
9/5 13:50	74.4	↑3.9
9/5 14:00	78.5	↑4.1
9/5 14:10	82.7	↑4.2
9/5 14:20	86.9	↑4.2
9/5 14:30	91.2	↑4.3
9/5 14:40	95.4	↑4.2
9/5 14:50	99.6	↑4.2
9/5 15:00	103.7	↑4.1
9/5 15:10	107.7	↑4.0
9/5 15:20	111.6	↑3.9
9/5 15:30	115.4	↑3.8
9/5 15:40	118.9	↑3.5
9/5 15:50	122.3	↑3.4
9/5 16:00	125.5	↑3.2
9/5 16:10	128.4	↑2.9
9/5 16:20	131.1	↑2.7
9/5 16:30	133.5	↑2.4
9/5 16:40	135.7	↑2.2
9/5 16:50	137.5	↑1.8
9/5 17:00	139.1	↑1.6
9/5 17:10	140.3	↑1.2
9/5 17:20	141.3	↑1.0
9/5 17:30	141.8	↑0.5
9/5 17:40	142.1	↑0.3	満潮
9/5 17:50	142.0	↓-0.1
9/5 18:00	141.6	↓-0.4
9/5 18:10	140.8	↓-0.8
9/5 18:20	139.7	↓-1.1
9/5 18:30	138.3	↓-1.4
9/5 18:40	136.5	↓-1.8
9/5 18:50	134.4	↓-2.1
9/5 19:00	132.1	↓-2.3
9/5 19:10	129.4	↓-2.7
9/5 19:20	126.5	↓-2.9
9/5 19:30	123.4	↓-3.1
9/5 19:40	120.0	↓-3.4
9/5 19:50	116.5	↓-3.5
9/5 20:00	112.8	↓-3.7
9/5 20:10	109.0	↓-3.8
9/5 20:20	105.1	↓-3.9
9/5 20:30	101.2	↓-3.9
9/5 20:40	97.2	↓-4.0
9/5 20:50	93.3	↓-3.9
9/5 21:00	89.4	↓-3.9
9/5 21:10	85.6	↓-3.8
9/5 21:20	81.9	↓-3.7
9/5 21:30	78.3	↓-3.6
9/5 21:40	74.9	↓-3.4
9/5 21:50	71.7	↓-3.2
9/5 22:00	68.6	↓-3.1
9/5 22:10	65.8	↓-2.8
9/5 22:20	63.3	↓-2.5
9/5 22:30	61.0	↓-2.3
9/5 22:40	58.9	↓-2.1
9/5 22:50	57.2	↓-1.7
9/5 23:00	55.7	↓-1.5
9/5 23:10	54.5	↓-1.2
9/5 23:20	53.7	↓-0.8
9/5 23:30	53.2	↓-0.5
9/5 23:40	53.0	↓-0.2	干潮
9/5 23:50	53.2	↑0.2