5 (木)	10:21	02:49	20:07	13:52
	108cm	40cm	128cm	99cm
小潮 出 05:13 入 18:02 出 12:52 入 22:52

那珂湊（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	67.1	↓-3.1	最大潮位差
9/5 00:10	64.2	↓-2.9
9/5 00:20	61.4	↓-2.8
9/5 00:30	58.7	↓-2.7
9/5 00:40	56.2	↓-2.5
9/5 00:50	53.8	↓-2.4
9/5 01:00	51.6	↓-2.2
9/5 01:10	49.5	↓-2.1
9/5 01:20	47.7	↓-1.8
9/5 01:30	46.0	↓-1.7
9/5 01:40	44.5	↓-1.5
9/5 01:50	43.3	↓-1.2
9/5 02:00	42.2	↓-1.1
9/5 02:10	41.3	↓-0.9
9/5 02:20	40.7	↓-0.6
9/5 02:30	40.2	↓-0.5
9/5 02:40	39.9	↓-0.3	干潮
9/5 02:50	39.9	0
9/5 03:00	40.0	↑0.1
9/5 03:10	40.3	↑0.3
9/5 03:20	40.8	↑0.5
9/5 03:30	41.5	↑0.7
9/5 03:40	42.3	↑0.8
9/5 03:50	43.3	↑1.0
9/5 04:00	44.5	↑1.2
9/5 04:10	45.8	↑1.3
9/5 04:20	47.2	↑1.4
9/5 04:30	48.8	↑1.6
9/5 04:40	50.5	↑1.7
9/5 04:50	52.3	↑1.8
9/5 05:00	54.2	↑1.9
9/5 05:10	56.2	↑2.0
9/5 05:20	58.3	↑2.1
9/5 05:30	60.5	↑2.2
9/5 05:40	62.7	↑2.2
9/5 05:50	65.0	↑2.3
9/5 06:00	67.3	↑2.3
9/5 06:10	69.6	↑2.3
9/5 06:20	72.0	↑2.4
9/5 06:30	74.4	↑2.4
9/5 06:40	76.7	↑2.3
9/5 06:50	79.1	↑2.4
9/5 07:00	81.4	↑2.3
9/5 07:10	83.7	↑2.3
9/5 07:20	85.9	↑2.2
9/5 07:30	88.0	↑2.1
9/5 07:40	90.1	↑2.1
9/5 07:50	92.1	↑2.0
9/5 08:00	94.0	↑1.9
9/5 08:10	95.8	↑1.8
9/5 08:20	97.5	↑1.7
9/5 08:30	99.0	↑1.5
9/5 08:40	100.4	↑1.4
9/5 08:50	101.7	↑1.3
9/5 09:00	102.9	↑1.2
9/5 09:10	103.9	↑1.0
9/5 09:20	104.7	↑0.8
9/5 09:30	105.5	↑0.8
9/5 09:40	106.0	↑0.5
9/5 09:50	106.5	↑0.5
9/5 10:00	106.8	↑0.3
9/5 10:10	107.0	↑0.2
9/5 10:20	107.0	0	満潮
9/5 10:30	107.0	0
9/5 10:40	106.8	↓-0.2
9/5 10:50	106.5	↓-0.3
9/5 11:00	106.2	↓-0.3
9/5 11:10	105.8	↓-0.4
9/5 11:20	105.3	↓-0.5
9/5 11:30	104.8	↓-0.5
9/5 11:40	104.2	↓-0.6
9/5 11:50	103.7	↓-0.5
9/5 12:00	103.1	↓-0.6
9/5 12:10	102.5	↓-0.6
9/5 12:20	101.9	↓-0.6
9/5 12:30	101.4	↓-0.5
9/5 12:40	100.9	↓-0.5
9/5 12:50	100.4	↓-0.5
9/5 13:00	100.0	↓-0.4
9/5 13:10	99.6	↓-0.4
9/5 13:20	99.3	↓-0.3
9/5 13:30	99.1	↓-0.2
9/5 13:40	99.0	↓-0.1
9/5 13:50	98.9	↓-0.1	干潮
9/5 14:00	99.0	↑0.1
9/5 14:10	99.1	↑0.1
9/5 14:20	99.3	↑0.2
9/5 14:30	99.6	↑0.3
9/5 14:40	100.0	↑0.4
9/5 14:50	100.4	↑0.4
9/5 15:00	100.9	↑0.5
9/5 15:10	101.6	↑0.7
9/5 15:20	102.2	↑0.6
9/5 15:30	103.0	↑0.8
9/5 15:40	103.8	↑0.8
9/5 15:50	104.7	↑0.9
9/5 16:00	105.6	↑0.9
9/5 16:10	106.6	↑1.0
9/5 16:20	107.6	↑1.0
9/5 16:30	108.7	↑1.1
9/5 16:40	109.8	↑1.1
9/5 16:50	110.9	↑1.1
9/5 17:00	112.0	↑1.1
9/5 17:10	113.2	↑1.2
9/5 17:20	114.3	↑1.1
9/5 17:30	115.5	↑1.2
9/5 17:40	116.6	↑1.1
9/5 17:50	117.7	↑1.1
9/5 18:00	118.8	↑1.1
9/5 18:10	119.9	↑1.1
9/5 18:20	120.9	↑1.0
9/5 18:30	121.9	↑1.0
9/5 18:40	122.8	↑0.9
9/5 18:50	123.7	↑0.9
9/5 19:00	124.5	↑0.8
9/5 19:10	125.2	↑0.7
9/5 19:20	125.8	↑0.6
9/5 19:30	126.3	↑0.5
9/5 19:40	126.7	↑0.4
9/5 19:50	126.9	↑0.2
9/5 20:00	127.1	↑0.2	満潮
9/5 20:10	127.1	0
9/5 20:20	126.9	↓-0.2
9/5 20:30	126.7	↓-0.2
9/5 20:40	126.2	↓-0.5
9/5 20:50	125.6	↓-0.6
9/5 21:00	124.9	↓-0.7
9/5 21:10	123.9	↓-1.0
9/5 21:20	122.9	↓-1.0
9/5 21:30	121.6	↓-1.3
9/5 21:40	120.2	↓-1.4
9/5 21:50	118.6	↓-1.6
9/5 22:00	116.8	↓-1.8
9/5 22:10	114.9	↓-1.9
9/5 22:20	112.9	↓-2.0
9/5 22:30	110.7	↓-2.2
9/5 22:40	108.4	↓-2.3
9/5 22:50	105.9	↓-2.5
9/5 23:00	103.4	↓-2.5
9/5 23:10	100.7	↓-2.7
9/5 23:20	98.0	↓-2.7
9/5 23:30	95.2	↓-2.8
9/5 23:40	92.3	↓-2.9
9/5 23:50	89.4	↓-2.9