5 (木)	10:36	02:51	19:50	13:47
	111cm	45cm	139cm	106cm
小潮 出 05:12 入 18:02 出 12:52 入 22:52

日立（茨城）2030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	72.7	↓-3.1	最大潮位差
9/5 00:10	69.7	↓-3.0
9/5 00:20	66.9	↓-2.8
9/5 00:30	64.2	↓-2.7
9/5 00:40	61.6	↓-2.6
9/5 00:50	59.2	↓-2.4
9/5 01:00	56.9	↓-2.3
9/5 01:10	54.9	↓-2.0
9/5 01:20	53.0	↓-1.9
9/5 01:30	51.2	↓-1.8
9/5 01:40	49.7	↓-1.5
9/5 01:50	48.4	↓-1.3
9/5 02:00	47.3	↓-1.1
9/5 02:10	46.3	↓-1.0
9/5 02:20	45.6	↓-0.7
9/5 02:30	45.1	↓-0.5
9/5 02:40	44.8	↓-0.3
9/5 02:50	44.7	↓-0.1	干潮
9/5 03:00	44.8	↑0.1
9/5 03:10	45.1	↑0.3
9/5 03:20	45.6	↑0.5
9/5 03:30	46.3	↑0.7
9/5 03:40	47.2	↑0.9
9/5 03:50	48.3	↑1.1
9/5 04:00	49.5	↑1.2
9/5 04:10	50.9	↑1.4
9/5 04:20	52.5	↑1.6
9/5 04:30	54.1	↑1.6
9/5 04:40	55.9	↑1.8
9/5 04:50	57.8	↑1.9
9/5 05:00	59.8	↑2.0
9/5 05:10	61.9	↑2.1
9/5 05:20	64.1	↑2.2
9/5 05:30	66.3	↑2.2
9/5 05:40	68.5	↑2.2
9/5 05:50	70.8	↑2.3
9/5 06:00	73.0	↑2.2
9/5 06:10	75.3	↑2.3
9/5 06:20	77.6	↑2.3
9/5 06:30	79.8	↑2.2
9/5 06:40	82.1	↑2.3
9/5 06:50	84.2	↑2.1
9/5 07:00	86.4	↑2.2
9/5 07:10	88.5	↑2.1
9/5 07:20	90.5	↑2.0
9/5 07:30	92.4	↑1.9
9/5 07:40	94.3	↑1.9
9/5 07:50	96.1	↑1.8
9/5 08:00	97.8	↑1.7
9/5 08:10	99.4	↑1.6
9/5 08:20	100.9	↑1.5
9/5 08:30	102.3	↑1.4
9/5 08:40	103.6	↑1.3
9/5 08:50	104.8	↑1.2
9/5 09:00	105.8	↑1.0
9/5 09:10	106.7	↑0.9
9/5 09:20	107.6	↑0.9
9/5 09:30	108.3	↑0.7
9/5 09:40	108.9	↑0.6
9/5 09:50	109.3	↑0.4
9/5 10:00	109.7	↑0.4
9/5 10:10	110.0	↑0.3
9/5 10:20	110.1	↑0.1
9/5 10:30	110.2	↑0.1	満潮
9/5 10:40	110.2	0
9/5 10:50	110.1	↓-0.1
9/5 11:00	110.0	↓-0.1
9/5 11:10	109.8	↓-0.2
9/5 11:20	109.5	↓-0.3
9/5 11:30	109.3	↓-0.2
9/5 11:40	108.9	↓-0.4
9/5 11:50	108.6	↓-0.3
9/5 12:00	108.3	↓-0.3
9/5 12:10	107.9	↓-0.4
9/5 12:20	107.6	↓-0.3
9/5 12:30	107.2	↓-0.4
9/5 12:40	106.9	↓-0.3
9/5 12:50	106.6	↓-0.3
9/5 13:00	106.3	↓-0.3
9/5 13:10	106.1	↓-0.2
9/5 13:20	105.9	↓-0.2
9/5 13:30	105.8	↓-0.1
9/5 13:40	105.7	↓-0.1	干潮
9/5 13:50	105.7	0
9/5 14:00	105.8	↑0.1
9/5 14:10	105.9	↑0.1
9/5 14:20	106.1	↑0.2
9/5 14:30	106.5	↑0.4
9/5 14:40	106.9	↑0.4
9/5 14:50	107.4	↑0.5
9/5 15:00	108.0	↑0.6
9/5 15:10	108.7	↑0.7
9/5 15:20	109.5	↑0.8
9/5 15:30	110.4	↑0.9
9/5 15:40	111.4	↑1.0
9/5 15:50	112.5	↑1.1
9/5 16:00	113.7	↑1.2
9/5 16:10	115.0	↑1.3
9/5 16:20	116.3	↑1.3
9/5 16:30	117.7	↑1.4
9/5 16:40	119.1	↑1.4
9/5 16:50	120.6	↑1.5
9/5 17:00	122.1	↑1.5
9/5 17:10	123.6	↑1.5
9/5 17:20	125.1	↑1.5
9/5 17:30	126.6	↑1.5
9/5 17:40	128.1	↑1.5
9/5 17:50	129.5	↑1.4
9/5 18:00	130.8	↑1.3
9/5 18:10	132.1	↑1.3
9/5 18:20	133.3	↑1.2
9/5 18:30	134.4	↑1.1
9/5 18:40	135.4	↑1.0
9/5 18:50	136.3	↑0.9
9/5 19:00	137.1	↑0.8
9/5 19:10	137.8	↑0.7
9/5 19:20	138.3	↑0.5
9/5 19:30	138.6	↑0.3
9/5 19:40	138.8	↑0.2	満潮
9/5 19:50	138.9	↑0.1	満潮
9/5 20:00	138.8	↓-0.1
9/5 20:10	138.5	↓-0.3
9/5 20:20	138.1	↓-0.4
9/5 20:30	137.5	↓-0.6
9/5 20:40	136.7	↓-0.8
9/5 20:50	135.8	↓-0.9
9/5 21:00	134.7	↓-1.1
9/5 21:10	133.4	↓-1.3
9/5 21:20	131.9	↓-1.5
9/5 21:30	130.3	↓-1.6
9/5 21:40	128.6	↓-1.7
9/5 21:50	126.7	↓-1.9
9/5 22:00	124.6	↓-2.1
9/5 22:10	122.4	↓-2.2
9/5 22:20	120.1	↓-2.3
9/5 22:30	117.7	↓-2.4
9/5 22:40	115.2	↓-2.5
9/5 22:50	112.6	↓-2.6
9/5 23:00	109.9	↓-2.7
9/5 23:10	107.2	↓-2.7
9/5 23:20	104.4	↓-2.8
9/5 23:30	101.6	↓-2.8
9/5 23:40	98.7	↓-2.9
9/5 23:50	95.9	↓-2.8