01 (火)	06:39	11:51	17:29	-
	138cm	85cm	153cm	-
中潮 出 05:33 入 17:23 出 09:40 入 19:50

日立（茨城）2030年10月01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
10/1 00:00	23.1	↑0.1
10/1 00:10	23.6	↑0.5
10/1 00:20	24.5	↑0.9
10/1 00:30	25.7	↑1.2
10/1 00:40	27.2	↑1.5
10/1 00:50	29.1	↑1.9
10/1 01:00	31.4	↑2.3
10/1 01:10	33.9	↑2.5
10/1 01:20	36.7	↑2.8
10/1 01:30	39.8	↑3.1
10/1 01:40	43.2	↑3.4
10/1 01:50	46.8	↑3.6
10/1 02:00	50.7	↑3.9
10/1 02:10	54.7	↑4.0
10/1 02:20	58.9	↑4.2
10/1 02:30	63.2	↑4.3
10/1 02:40	67.6	↑4.4
10/1 02:50	72.1	↑4.5
10/1 03:00	76.6	↑4.5
10/1 03:10	81.2	↑4.6
10/1 03:20	85.7	↑4.5
10/1 03:30	90.1	↑4.4
10/1 03:40	94.5	↑4.4
10/1 03:50	98.7	↑4.2
10/1 04:00	102.8	↑4.1
10/1 04:10	106.8	↑4.0
10/1 04:20	110.5	↑3.7
10/1 04:30	114.1	↑3.6
10/1 04:40	117.4	↑3.3
10/1 04:50	120.5	↑3.1
10/1 05:00	123.4	↑2.9
10/1 05:10	126.0	↑2.6
10/1 05:20	128.4	↑2.4
10/1 05:30	130.4	↑2.0
10/1 05:40	132.2	↑1.8
10/1 05:50	133.8	↑1.6
10/1 06:00	135.0	↑1.2
10/1 06:10	135.9	↑0.9
10/1 06:20	136.6	↑0.7
10/1 06:30	137.0	↑0.4	満潮
10/1 06:40	137.1	↑0.1
10/1 06:50	136.9	↓-0.2
10/1 07:00	136.4	↓-0.5
10/1 07:10	135.6	↓-0.8
10/1 07:20	134.6	↓-1.0
10/1 07:30	133.4	↓-1.2
10/1 07:40	131.9	↓-1.5
10/1 07:50	130.2	↓-1.7
10/1 08:00	128.3	↓-1.9
10/1 08:10	126.2	↓-2.1
10/1 08:20	124.0	↓-2.2
10/1 08:30	121.6	↓-2.4
10/1 08:40	119.1	↓-2.5
10/1 08:50	116.6	↓-2.5
10/1 09:00	114.0	↓-2.6
10/1 09:10	111.3	↓-2.7
10/1 09:20	108.7	↓-2.6
10/1 09:30	106.1	↓-2.6
10/1 09:40	103.6	↓-2.5
10/1 09:50	101.1	↓-2.5
10/1 10:00	98.8	↓-2.3
10/1 10:10	96.6	↓-2.2
10/1 10:20	94.5	↓-2.1
10/1 10:30	92.6	↓-1.9
10/1 10:40	90.9	↓-1.7
10/1 10:50	89.4	↓-1.5
10/1 11:00	88.1	↓-1.3
10/1 11:10	87.0	↓-1.1
10/1 11:20	86.1	↓-0.9
10/1 11:30	85.5	↓-0.6
10/1 11:40	85.1	↓-0.4
10/1 11:50	85.0	↓-0.1	干潮
10/1 12:00	85.1	↑0.1
10/1 12:10	85.5	↑0.4
10/1 12:20	86.1	↑0.6
10/1 12:30	87.0	↑0.9
10/1 12:40	88.1	↑1.1
10/1 12:50	89.5	↑1.4
10/1 13:00	91.1	↑1.6
10/1 13:10	92.9	↑1.8
10/1 13:20	95.0	↑2.1
10/1 13:30	97.2	↑2.2
10/1 13:40	99.7	↑2.5
10/1 13:50	102.3	↑2.6
10/1 14:00	105.1	↑2.8
10/1 14:10	108.0	↑2.9
10/1 14:20	111.1	↑3.1
10/1 14:30	114.2	↑3.1
10/1 14:40	117.4	↑3.2
10/1 14:50	120.6	↑3.2
10/1 15:00	123.8	↑3.2
10/1 15:10	127.0	↑3.2
10/1 15:20	130.1	↑3.1
10/1 15:30	133.1	↑3.0
10/1 15:40	136.0	↑2.9
10/1 15:50	138.8	↑2.8
10/1 16:00	141.3	↑2.5
10/1 16:10	143.7	↑2.4
10/1 16:20	145.8	↑2.1
10/1 16:30	147.7	↑1.9
10/1 16:40	149.3	↑1.6
10/1 16:50	150.6	↑1.3
10/1 17:00	151.6	↑1.0
10/1 17:10	152.4	↑0.8
10/1 17:20	152.8	↑0.4	満潮
10/1 17:30	152.9	↑0.1
10/1 17:40	152.6	↓-0.3
10/1 17:50	152.1	↓-0.5
10/1 18:00	151.2	↓-0.9
10/1 18:10	150.0	↓-1.2
10/1 18:20	148.4	↓-1.6
10/1 18:30	146.6	↓-1.8
10/1 18:40	144.4	↓-2.2
10/1 18:50	142.0	↓-2.4
10/1 19:00	139.2	↓-2.8
10/1 19:10	136.2	↓-3.0
10/1 19:20	132.9	↓-3.3
10/1 19:30	129.3	↓-3.6
10/1 19:40	125.5	↓-3.8
10/1 19:50	121.5	↓-4.0
10/1 20:00	117.3	↓-4.2
10/1 20:10	112.9	↓-4.4
10/1 20:20	108.4	↓-4.5
10/1 20:30	103.7	↓-4.7
10/1 20:40	99.0	↓-4.7
10/1 20:50	94.2	↓-4.8
10/1 21:00	89.3	↓-4.9	最大潮位差
10/1 21:10	84.5	↓-4.8
10/1 21:20	79.6	↓-4.9	最大潮位差
10/1 21:30	74.9	↓-4.7
10/1 21:40	70.2	↓-4.7
10/1 21:50	65.6	↓-4.6
10/1 22:00	61.2	↓-4.4
10/1 22:10	57.0	↓-4.2
10/1 22:20	52.9	↓-4.1
10/1 22:30	49.1	↓-3.8
10/1 22:40	45.5	↓-3.6
10/1 22:50	42.1	↓-3.4
10/1 23:00	39.0	↓-3.1
10/1 23:10	36.2	↓-2.8
10/1 23:20	33.7	↓-2.5
10/1 23:30	31.5	↓-2.2
10/1 23:40	29.6	↓-1.9
10/1 23:50	28.1	↓-1.5